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September 30, 2012

Outstanding principal and interest balance⁽¹⁾

Carrying value, including accrued interest⁽²⁾

Represents the contractually required payments which is the sum of contractual principal, whether or not currently due, and accrued interest.

Estimated fair value plus accrued interest.

Document and Entity Information - shares	9 Months Ended
Document and Entity Information - shares	Sep. 30, 2012	Oct. 31, 2012
Document And Entitiy Information [Abstract]
Document Type	10-Q
Document period end date	Sep. 30, 2012
Amendment flag	false
Entity registrant name	REINSURANCE GROUP OF AMERICA INC
Entity central index key	0000898174
Entity current reporting status	Yes
Entity voluntary filers	No
Current fiscal year end date	--12-31
Entity filer category	Large Accelerated Filer
Entity well known seasoned issuer	Yes
Common Shares Outstanding		73,853,716
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q3

CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Fixed Maturity Securities [Abstract]
Available-for-sale at fair value	$ 21,658,414,000	$ 16,200,950,000
Mortgage loans on real estate	2,256,881,000	991,731,000
Policy loans	1,243,498,000	1,260,400,000
Funds withheld at interest	5,608,640,000	5,410,424,000
Short-term investments	90,789,000	88,566,000
Investment Receivable	0	0
Other invested assets	1,236,616,000	1,012,541,000
Total investments	32,094,838,000	24,964,612,000
Cash and cash equivalents	1,603,730,000	962,870,000
Accrued Investment Income	250,048,000	144,334,000
Premiums receivable and other reinsurance balances	1,179,687,000	1,059,572,000
Reinsurance ceded receivables	623,954,000	626,194,000
Deferred policy acquisition costs	3,630,877,000	3,543,925,000
Other assets	540,879,000	332,466,000
Total assets	39,924,013,000	31,633,973,000
Liabilities and Stockholders Equity
Future policy benefits	11,093,483,000	9,903,886,000
Interest-sensitive contract liabilities	13,254,859,000	8,394,468,000
Other policy claims and benefits	3,132,526,000	2,841,373,000
Other reinsurance balances	218,057,000	118,219,000
Deferred income taxes	1,806,186,000	1,679,834,000
Other liabilities	1,217,788,000	810,775,000
Short Term Debt	0	0
Long-term debt	1,815,111,000	1,414,688,000
Collateral finance facility	651,968,000	652,032,000
Total liabilities	33,189,978,000	25,815,275,000
Stockholders Equity:
Preferred stock (par value $.01 per share; 10,000,000 shares authorized; no shares issued or outstanding)	0	0
Common stock (par value $.01 per share; 140,000,000 shares authorized; shares issued: 79,137,758 at March 31, 2012 and December 31, 2011)	791,000	791,000
Additional paid-in-capital	1,743,822,000	1,727,774,000
Retained earnings	3,154,317,000	2,818,429,000
Treasury stock, at cost	(316,542,000)	(346,449,000)
Accumulated other comprehensive income	2,151,647,000	1,618,153,000
Total stockholders equity	6,734,035,000	5,818,698,000
Total liabilities and stockholders equity	$ 39,924,013,000	$ 31,633,973,000

CONDENSED CONSOLIDATED BALANCE SHEETS PARENTHETICAL - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Condensed Consolidated Balance Sheets Parentheticals [Abstract]
Available for Sale at Fair value - Amortized cost	$ 18,905,283,000	$ 14,182,880,000
Preferred stock par value	$ 0.01	$ 0.01
Preferred stock shares authorized	10,000,000	10,000,000
Common stock par value	$ 0.01	$ 0.01
Common stock shares authorized	140,000,000	140,000,000
Common stock shares issued	79,137,758	79,137,758
Common stock shares outstanding	73,852,349	73,367,734
Treasury Shares Held	5,285,409	5,770,024
Allowances for Loan and Lease Losses, Real Estate	$ 13,333,000	$ 11,793,000

CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($)	3 Months Ended		9 Months Ended
CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenues:
Net premiums	$ 1,912,746,000	$ 1,776,165,000	$ 5,726,889,000	$ 5,300,971,000
Investment income, net of related expenses	396,781,000	268,210,000	1,066,055,000	976,686,000
Investment related gains (losses), net:
Other-than-temporary impairments on fixed maturity securities	(1,996,000)	(11,911,000)	(11,562,000)	(19,049,000)
Other-than-temporary impairments on fixed maturity securities transferred to (from) accumulated other comprehensive income	(559,000)	3,089,000	(7,618,000)	3,381,000
Other investment related gains (losses), net	78,608,000	(130,778,000)	162,554,000	27,076,000
Total investment related gains (losses), net	76,053,000	(139,600,000)	143,374,000	11,408,000
Other revenues	63,501,000	90,132,000	181,491,000	192,254,000
Total revenues	2,449,081,000	1,994,907,000	7,117,809,000	6,481,319,000
Benefits and Expenses:
Claims and other policy benefits	1,662,625,000	1,514,765,000	4,868,220,000	4,504,227,000
Interest credited	130,341,000	35,251,000	285,080,000	237,510,000
Policy Acquisition Costs And Other Insurance Expenses	318,106,000	164,372,000	961,679,000	785,138,000
Other operating expenses	103,786,000	94,029,000	319,425,000	297,340,000
Interest expense	29,749,000	27,025,000	76,431,000	77,412,000
Collateral Financing Expense	2,995,000	3,069,000	8,840,000	9,372,000
Total benefits and expenses	2,247,602,000	1,838,511,000	6,519,675,000	5,910,999,000
Income before income taxes	201,479,000	156,396,000	598,134,000	570,320,000
Provision for income taxes	(57,004,000)	(21,794,000)	(189,230,000)	(162,854,000)
Net income	$ 144,475,000	$ 134,602,000	$ 408,904,000	$ 407,466,000
Earnings Per Share [Abstract]
Basic earning per share	$ 1.96	$ 1.82	$ 5.55	$ 5.53
Diluted earnings per share	1.95	1.81	5.52	5.49
Dividends declared per share	$ 0.24	$ 0.18	$ 0.60	$ 0.42

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Comprehensive Income Net Of Tax Abstract
Net income	$ 144,475,000	$ 134,602,000	$ 408,904,000	$ 407,466,000
Other Comprehensive Income Loss Net Of Tax Period Increase Decrease Abstract
Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax	36,248,000	(101,842,000)	43,463,000	(65,948,000)
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax	315,501,000	354,709,000	483,242,000	470,473,000
Change In Other Than Temporary Impairment Losses Recognized In Other Comprehensive Income	364,000	(2,008,000)	4,952,000	(2,198,000)
Other Comprehensive Income Amortization Of Defined Benefit Plan Net Prior Service Cost Recognized In Net Periodic Pension Cost Net Of Tax	336,000	708,000	1,837,000	1,280,000
Total other comprehensive income	352,449,000	251,567,000	533,494,000	403,607,000
Comprehensive income	$ 496,924,000	$ 386,169,000	$ 942,398,000	$ 811,073,000

- Definition

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Research Bulletin (ARB)
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-Appendix A

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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+ Details

- Definition

The adjustment out of other comprehensive income for prior service costs recognized as a component of net period benefit cost during the period, after tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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+ Details

- Definition

Change in the balance sheet adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity for the period being reported, net of tax. If an entity's functional currency is a foreign currency, translation adjustments result from the process of translating that entity's financial statements into the reporting currency. Includes gain (loss) on foreign currency forward exchange contracts. Includes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. Includes the gain (loss) on a derivative instrument or nonderivative financial instrument that may give rise to a foreign currency transaction gain (loss) and that have been designated and have qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

+ References

+ Details

- Definition

This element represents Other Comprehensive Income or Loss, Net of Tax, for the period. Includes deferred gains or losses on qualifying hedges, unrealized holding gains or losses on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

+ References

+ Details

- Definition

Appreciation or loss in value (before reclassification adjustment) of the total of unsold securities during the period being reported on, net of tax. Reclassification adjustments include: (1) the unrealized holding gain (loss), net of tax, at the date of the transfer for a debt security from the held-to-maturity category transferred into the available-for-sale category. Also includes the unrealized gain (loss) at the date of transfer for a debt security from the available-for-sale category transferred into the held-to-maturity category; (2) the unrealized gains (losses) realized upon the sale of securities, after tax; and (3) the unrealized gains (losses) realized upon the write-down of securities, after tax.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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+ Details

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities:
Net income	$ 408,904,000	$ 407,466,000
Change in operating assets and liabilities:
Accrued investment income	(60,684,000)	(64,464,000)
Premiums receivable and other reinsurance balances	(102,447,000)	(86,339,000)
Deferred policy acquisition costs	(70,107,000)	(60,792,000)
Reinsurance ceded balances	2,240,000	42,409,000
Future policy benefits, other policy claims and benefits, and other reinsurance balances	1,406,844,000	669,174,000
Total deferred income taxes	(99,200,000)	58,207,000
Other assets and other liabilities, net	225,749,000	(46,320,000)
Amortization of net investment premiums, discounts and other	(61,644,000)	(100,328,000)
Investment related gains, net	(143,374,000)	(11,408,000)
Gains Losses On Extinguishment Of Collateral Finance Securities	0	(55,840,000)
Excess tax benefits from share-based payment arrangement	262,000	(4,418,000)
Other, net	22,533,000	86,630,000
Net cash provided by operating activities	1,529,076,000	833,977,000
Cash Flows from Investing Activities:
Sales of fixed maturity securities available-for-sale	3,970,569,000	2,338,405,000
Maturities of fixed maturity securities available-for-sale	122,405,000	195,582,000
Purchases of fixed maturity securities available-for-sale	(4,660,131,000)	(3,104,714,000)
Cash invested in mortgage loans	(350,823,000)	(117,697,000)
Cash invested in policy loans	(8,032,000)	(8,928,000)
Cash invested in funds withheld at interest	(81,602,000)	(23,784,000)
Principal payments on mortgage loans on real estate	85,921,000	60,764,000
Principal payments on policy loans	24,934,000	8,456,000
Change in short-term investments and other invested assets	(129,874,000)	(86,895,000)
Net cash used in investing activities	(1,026,633,000)	(738,811,000)
Cash Flows from Financing Activities:
Dividends to stockholders	(44,220,000)	(31,039,000)
Proceeds From Issuance Of Long Term Debt	400,000,000	397,788,000
Repurchase of long-term debt	0	(111,831,000)
Payments of Debt Issuance Costs	6,255,000	3,400,000
Proceeds from redemption and remarketing of trust preferred securities	0	154,588,000
Maturity of trust preferred securities	0	159,473,000
Purchases of treasury stock	(6,924,000)	(380,345,000)
Excess tax benefits from share-based payment arrangement	(262,000)	4,418,000
Exercise of stock options, net	4,096,000	8,680,000
Change in cash collateral for derivative positions	(62,896,000)	163,250,000
Deposits on universal life and other investment type policies and contracts	89,458,000	328,903,000
Withdrawals on universal life and other investment type policies and contracts	249,190,000	119,180,000
Net cash used in financing activities	123,807,000	252,359,000
Effect of exchange rate changes on cash	14,610,000	(8,535,000)
Change in cash and cash equivalents	640,860,000	338,990,000
Cash and cash equivalents, beginning of period	962,870,000	463,661,000
Cash and cash equivalents, end of period	1,603,730,000	802,651,000
Supplementary information:
Cash paid for interest	76,514,000	57,821,000
Cash paid for income taxes, net of refunds	$ 81,391,000	$ 110,075,000

Organization and Basis of Presentation

9 Months Ended

Sep. 30, 2012

Organization And Basis Of Presentation [Abstract]

Organization and Basis of Presentation

1. Organization and Basis of Presentation

Reinsurance Group of America, Incorporated ("RGA") is an insurance holding company that was formed on December 31, 1992. The accompanying unaudited condensed consolidated financial statements of RGA and its subsidiaries (collectively, the "Company") have been prepared in conformity with accounting principles generally accepted in the United States of America for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States of America for complete financial statements. In the opinion of management, all adjustments, consisting of normal recurring accruals, considered necessary for a fair presentation have been included. Results for the three and nine months ended September 30, 2012 are not necessarily indicative of the results that may be expected for the year ending December 31, 2012. There were no subsequent events that would require disclosure or adjustments to the accompanying condensed consolidated financial statements through the date the financial statements were issued. These unaudited condensed consolidated financial statements include the accounts of RGA and its subsidiaries, all intercompany accounts and transactions have been eliminated. The December 31, 2011 consolidated balance sheet data was derived from the Company's 2011 Annual Report on Form 10-K (“2011 Annual Report”) filed with the Securities and Exchange Commission (“SEC”) on February 29, 2012 and the “revised 2011” consolidated financial statements and notes thereto included in the Company's 2012 Current Report on Form 8-K (“DAC Current Report”) filed with the SEC on July 13, 2012. Therefore, these interim condensed consolidated financial statements should be read in conjunction with the consolidated financial statements of the Company included in the DAC Current Report.

In October 2010, the Financial Accounting Standards Board (“FASB”) amended the general accounting principles for Financial Services – Insurance as it relates to accounting for costs associated with acquiring or renewing insurance contracts. This amendment clarified that only those costs that result directly from and are essential to the contract transaction and that would not have been incurred had the contract transaction not occurred can be capitalized. It also defined acquisitions costs as costs that are related directly to the successful acquisition of new or renewal insurance contracts.

The Company filed the DAC Current Report in response to its adoption of the amendment described above on January 1, 2012 on a retrospective basis. The DAC Current Report reflects the impact of the adoption of this amendment on the Company's previously filed financial statements and other disclosures included in the 2011 Annual Report, including that (i) only costs related directly to the successful acquisition of new or renewal contracts can be capitalized as deferred acquisition costs and (ii) all other acquisition-related costs must be expensed as incurred. In connection therewith, the Company adjusted the presentation of certain prior-period information to conform to the new accounting principle. The Company believes retrospective adoption provides the most comparable and useful financial information for financial statement users. Likewise, the financial statements and notes thereto presented in this Quarterly Report on Form 10-Q have been adjusted to reflect the retrospective adoption of this accounting principle.

The following tables present the effects of the retrospective adoption of the new accounting principle on the Company's previously reported condensed consolidated statement of income and condensed consolidated statement of cash flows for the three and nine months ended September 30, 2011 (in thousands, except share amounts):

			Three months ended September 30, 2011
				As Reported		Adjustments		As Amended
Benefits and Expenses:
Policy acquisition costs and other insurance expenses			$	149,228	$	15,144	$	164,372

Income before income taxes				171,540		(15,144)		156,396
Provision for income taxes				24,155		(2,361)		21,794
Net income			$	147,385	$	(12,783)	$	134,602

Earnings per share:
Basic earnings per share			$	2.00	$	(0.18)	$	1.82
Diluted earnings per share			$	1.98	$	(0.17)	$	1.81









			Nine months ended September 30, 2011
				As Reported		Adjustments		As Amended
Benefits and Expenses:
Policy acquisition costs and other insurance expenses			$	741,663	$	43,475	$	785,138

Income before income taxes				613,795		(43,475)		570,320
Provision for income taxes				172,706		(9,852)		162,854
Net income			$	441,089	$	(33,623)	$	407,466

Earnings per share:
Basic earnings per share			$	5.99	$	(0.46)	$	5.53
Diluted earnings per share			$	5.94	$	(0.45)	$	5.49

				Nine months ended September 30, 2011
				As Reported		Adjustments		As Amended
Cash Flows from Operating Activities:
Net Income			$	441,089	$	(33,623)	$	407,466
	Change in operating assets and liabilities
		Deferred policy acquisition costs		(104,267)		43,475		(60,792)
		Deferred income taxes		68,059		(9,852)		58,207

- Definition

The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 2-6
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Name Statement of Position (SOP)
-Publisher AICPA
-Number 94-6
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Number 46R
-Paragraph 4, 14, 15
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details

Earnings Per Share

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Earnings Per Share

2. Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per share on net income (in thousands, except per share information):

				Three months ended				Nine months ended
			September 30,				September 30,
				2012		2011		2012		2011
Earnings:
	Net income (numerator for basic and diluted calculations)		$	144,475	$	134,602	$	408,904	$	407,466
Shares:
	Weighted average outstanding shares (denominator for
		basic calculation)		73,776		73,856		73,690		73,680
	Equivalent shares from outstanding stock options⁽¹⁾			362		398		388		527
	Denominator for diluted calculation			74,138		74,254		74,078		74,207
Earnings per share:
	Basic		$	1.96	$	1.82	$	5.55	$	5.53
	Diluted		$	1.95	$	1.81	$	5.52	$	5.49
	(1) Year-to-date amounts are the weighted average of the individual quarterly amounts.

The calculation of common equivalent shares does not include the impact of options having a strike or conversion price that exceeds the average stock price for the earnings period, as the result would be antidilutive. The calculation of common equivalent shares also excludes the impact of outstanding performance contingent shares, as the conditions necessary for their issuance have not been satisfied as of the end of the reporting period. For the three months ended September 30, 2012, approximately 0.7 million stock options and approximately 0.7 million performance contingent shares were excluded from the calculation. For the three months ended September 30, 2011, approximately 1.1 million stock options and approximately 0.8 million performance contingent shares were excluded from the calculation.

Comprehensive Income

9 Months Ended

Sep. 30, 2012

Comprehensive Income [Abstract]

Comprehensive Income

3. Accumulated Other Comprehensive Income

The balance of and changes in each component of accumulated other comprehensive income (“AOCI”) for the nine months ended September 30, 2012 and 2011 are as follows (dollars in thousands):

		Accumulated Other Comprehensive Income (Loss), Net of Income Tax
			Accumulated
			Currency		Unrealized		Pension and
			Translation		Appreciation		Postretirement
			Adjustments		of Securities		Benefits		Total
Balance, December 31, 2011		$	229,795	$	1,419,318	$	(30,960)	$	1,618,153
	Change in component during the period		43,463		488,194		1,837		533,494
Balance, September 30, 2012		$	273,258	$	1,907,512	$	(29,123)	$	2,151,647

		Accumulated Other Comprehensive Income (Loss), Net of Income Tax
			Accumulated
			Currency		Unrealized		Pension and
			Translation		Appreciation		Postretirement
			Adjustments		of Securities		Benefits		Total
Balance, December 31, 2010		$	255,295	$	651,449	$	(14,560)	$	892,184
	Change in component during the period		(65,948)		468,275		1,280		403,607
Balance, September 30, 2011		$	189,347	$	1,119,724	$	(13,280)	$	1,295,791

- Definition

The entire disclosure for comprehensive income. Includes, but is not limited to, the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains (losses) on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains (losses) on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains (losses) on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain (loss) and net prior service cost or credit for pension plans and other postretirement benefit plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 14-26
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Accounting Standards Codification
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+ Details

Investments

9 Months Ended

Sep. 30, 2012

Investments Abstract

Investments

4. Investments

All investments held by the Company are monitored for conformance to the qualitative and quantitative limits prescribed by the applicable jurisdiction's insurance laws and regulations. In addition, the operating companies' boards of directors periodically review their respective investment portfolios. The Company's investment strategy is to maintain a predominantly investment-grade, fixed maturity securities portfolio, which will provide adequate liquidity for expected reinsurance obligations and maximize total return through prudent asset management. The Company's asset/liability duration matching differs between operating companies. Based on Canadian reserve requirements, the Canadian liabilities are matched with long-duration Canadian assets. The duration of the Canadian portfolio exceeds twenty years, however, the average duration for all portfolios, when consolidated, ranges between eight and ten years.

Investment Income, Net of Related Expenses

Major categories of investment income, net of related expenses consist of the following (dollars in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2012		2011		2012		2011
Fixed maturity securities available-for-sale	$	221,212	$	190,990	$	633,110	$	566,581
Mortgage loans on real estate		26,938		14,474		67,258		41,801
Policy loans		16,519		16,454		49,637		49,549
Funds withheld at interest		127,855		41,267		305,861		306,028
Short-term investments		960		393		3,027		2,201
Other invested assets		13,117		11,470		35,803		31,680
Investment revenue		406,601		275,048		1,094,696		997,840
Investment expense		(9,820)		(6,838)		(28,641)		(21,154)
Investment income, net of related expenses	$	396,781	$	268,210	$	1,066,055	$	976,686

Investment Related Gains (Losses), Net

Investment related gains (losses), net, consist of the following (dollars in thousands):

			Three months ended				Nine months ended
			September 30,				September 30,
			2012		2011		2012		2011
Fixed maturity and equity securities available for sale:
	Other-than-temporary impairment losses on fixed maturities		$	(1,996)	$	(11,911)	$	(11,562)	$	(19,049)
	Portion of loss recognized in accumulated other
		comprehensive income (before taxes)		(559)		3,089		(7,618)		3,381
	Net other-than-temporary impairment losses on fixed
		maturities recognized in earnings		(2,555)		(8,822)		(19,180)		(15,668)
	Impairment losses on equity securities			--		--		(3,025)		(3,680)
	Gain on investment activity			53,173		34,840		102,078		92,423
	Loss on investment activity			(6,668)		(7,182)		(23,090)		(20,749)
Other impairment losses and change in mortgage loan provision				(10,301)		(2,370)		(14,382)		(4,980)
Derivatives and other, net				42,404		(156,066)		100,973		(35,938)
Total investment related gains (losses), net			$	76,053	$	(139,600)	$	143,374	$	11,408

The net other-than-temporary impairment losses on fixed maturity securities recognized in earnings of $19.2 million and $15.7 million in the first nine months of 2012 and 2011, respectively, are primarily due to a decline in value of structured securities with exposure to commercial mortgages and general credit deterioration in select corporate and foreign securities. The gain on investment activity increased primarily due to repositioning of securities for duration matching during the third quarter of 2012. The increase in other impairment losses was primarily due to $7.5 million of impairments in the limited partnership asset class in the third quarter of 2012. The volatility in derivatives and other for the three and nine months ended September 30, 2012 is primarily due to changes in the fair value of embedded derivative liabilities associated with modified coinsurance and funds withheld treaties and guaranteed minimum benefit riders.

During the three months ended September 30, 2012 and 2011, the Company sold fixed maturity and equity securities with fair values of $220.5 million and $57.2 million at losses of $6.7 million and $7.2 million, respectively. During the nine months ended September 30, 2012 and 2011, the Company sold fixed maturity and equity securities with fair values of $622.1 million and $388.9 million at losses of $23.1 million and $20.7 million, respectively. The Company generally does not engage in short-term buying and selling of securities.

Other-Than-Temporary Impairments

As discussed in Note 2 – “Summary of Significant Accounting Policies” of the DAC Current Report, a portion of certain other-than-temporary impairment ("OTTI") losses on fixed maturity securities are recognized in AOCI. For these securities the net amount recognized in earnings ("credit loss impairments") represents the difference between the amortized cost of the security and the net present value of its projected future cash flows discounted at the effective interest rate implicit in the debt security prior to impairment. Any remaining difference between the fair value and amortized cost is recognized in AOCI. The following table sets forth the amount of pre-tax credit loss impairments on fixed maturity securities held by the Company as of the dates indicated, for which a portion of the OTTI loss was recognized in AOCI, and the corresponding changes in such amounts (dollars in thousands):

	Three months ended September 30,
	2012		2011
Balance, beginning of period	$	45,903	$	52,484
Initial impairments - credit loss OTTI recognized on securities not previously impaired		--		5,259
Additional impairments - credit loss OTTI recognized on securities previously impaired		1,306		2,432
Credit loss OTTI previously recognized on securities impaired to fair value during the period		(2,622)		--
Credit loss OTTI previously recognized on securities which matured, paid down, prepaid or were sold during the period		(20,725)		(752)
Balance, end of period	$	23,862	$	59,423

	Nine months ended September 30,
	2012		2011
Balance, beginning of period	$	63,947	$	47,291
Initial impairments - credit loss OTTI recognized on securities not previously impaired		1,962		6,731
Additional impairments - credit loss OTTI recognized on securities previously impaired		10,187		6,871
Credit loss OTTI previously recognized on securities impaired to fair value during the period		(22,291)		--
Credit loss OTTI previously recognized on securities which matured, paid down, prepaid or were sold during the period		(29,943)		(1,470)
Balance, end of period	$	23,862	$	59,423

Fixed Maturity and Equity Securities Available-for-Sale

The following tables provide information relating to investments in fixed maturity and equity securities by sector as of September 30, 2012 and December 31, 2011 (dollars in thousands):

													Other-than-
									Estimated				temporary
September 30, 2012:			Amortized		Unrealized		Unrealized		Fair		% of		impairments
			Cost		Gains		Losses		Value		Total		in AOCI
Available-for-sale:
	Corporate securities		$	10,885,071	$	1,059,275	$	44,624	$	11,899,722	55.0	%	$	--
	Canadian and Canadian provincial
		governments		2,653,761		1,438,124		2		4,091,883	18.9			--
	Residential mortgage-backed securities			980,655		80,614		5,461		1,055,808	4.9			(477)
	Asset-backed securities			588,851		18,050		34,201		572,700	2.6			(2,295)
	Commercial mortgage-backed securities			1,663,493		137,153		60,255		1,740,391	8.0			(6,111)
	U.S. government and agencies			251,417		33,458		18		284,857	1.3			--
	State and political subdivisions			254,845		38,784		6,212		287,417	1.3			--
	Other foreign government, supranational and
		foreign government-sponsored enterprises		1,627,190		100,539		2,093		1,725,636	8.0			--
		Total fixed maturity securities	$	18,905,283	$	2,905,997	$	152,866	$	21,658,414	100.0	%	$	(8,883)

Non-redeemable preferred stock			$	69,182	$	6,332	$	834	$	74,680	35.7	%
Other equity securities				133,037		1,555		-		134,592	64.3
		Total equity securities	$	202,219	$	7,887	$	834	$	209,272	100.0	%

													Other-than-
									Estimated				temporary
December 31, 2011:			Amortized		Unrealized		Unrealized		Fair		% of		impairments
			Cost		Gains		Losses		Value		Total		in AOCI
Available-for-sale:
	Corporate securities		$	6,931,958	$	654,519	$	125,371	$	7,461,106	46.0	%	$	--
	Canadian and Canadian provincial
		governments		2,507,802		1,362,160		29		3,869,933	23.9			--
	Residential mortgage-backed securities			1,167,265		76,393		16,424		1,227,234	7.6			(1,042)
	Asset-backed securities			443,974		11,692		53,675		401,991	2.5			(5,256)
	Commercial mortgage-backed securities			1,233,958		87,750		79,489		1,242,219	7.7			(12,225)
	U.S. government and agencies			341,087		32,976		61		374,002	2.3			--
	State and political subdivisions			184,308		24,419		3,341		205,386	1.3			--
	Other foreign government, supranational and
		foreign government-sponsored enterprises		1,372,528		50,127		3,576		1,419,079	8.7			--
		Total fixed maturity securities	$	14,182,880	$	2,300,036	$	281,966	$	16,200,950	100.0	%	$	(18,523)

Non-redeemable preferred stock			$	82,488	$	4,677	$	8,982	$	78,183	68.6	%
Other equity securities				35,352		1,903		1,538		35,717	31.4
		Total equity securities	$	117,840	$	6,580	$	10,520	$	113,900	100.0	%

The Company enters into various collateral arrangements that require both the pledging and acceptance of fixed maturity securities as collateral, which are excluded from the tables above. The Company pledged fixed maturity securities as collateral to derivative and reinsurance counterparties with an amortized cost of $32.0 million and $29.0 million, and an estimated fair value of $37.2 million and $32.6 million, as of September 30, 2012 and December 31, 2011 respectively, which are included in other invested assets in the condensed consolidated balance sheets.

The Company received fixed maturity securities as collateral from derivative and reinsurance counterparties with an estimated fair value of $95.3 million and $1.0 million, as of September 30, 2012 and December 31, 2011, respectively. The collateral is held in separate custodial accounts and is not recorded on the Company's condensed consolidated balance sheets. Subject to certain constraints, the Company is permitted by contract to sell or re-pledge this collateral; however, as of September 30, 2012 and December 31, 2011, none of the collateral had been sold or re-pledged.

The Company participates in a securities borrowing program whereby securities, which are not reflected on the Company's condensed consolidated balance sheets, are borrowed from a third party. The Company is required to maintain a minimum of 100% of the market value of the borrowed securities as collateral. The Company had borrowed securities with an amortized cost and an estimated fair value of $237.5 million and $150.0 million as of September 30, 2012 and December 31, 2011, respectively. The borrowed securities are used to provide collateral under an affiliated reinsurance transaction.

As of September 30, 2012, the Company held securities with a fair value of $1,261.0 million that were issued by the Canadian province of Ontario and $1,187.2 million that were issued by an entity that is guaranteed by the Canadian province of Quebec, both of which exceeded 10% of total stockholders' equity. As of December 31, 2011, the Company held securities with a fair value of $1,171.2 million that were issued by the Canadian province of Ontario and $1,107.7 million that were issued by an entity that is guaranteed by the Canadian province of Quebec, both of which exceeded 10% of total stockholders' equity.

The amortized cost and estimated fair value of fixed maturity securities available-for-sale at September 30, 2012 are shown by contractual maturity in the table below. Actual maturities can differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. At September 30, 2012, the contractual maturities of investments in fixed maturity securities were as follows (dollars in thousands):

			Amortized		Fair
			Cost		Value
Available-for-sale:
	Due in one year or less		$	247,507	$	251,672
	Due after one year through five years			3,767,244		3,950,306
	Due after five year through ten years			6,172,841		6,757,674
	Due after ten years			5,484,692		7,329,863
	Asset and mortgage-backed securities			3,232,999		3,368,899
		Total	$	18,905,283	$	21,658,414

The tables below show the major industry types of the Company's corporate fixed maturity holdings as of September 30, 2012 and December 31, 2011 (dollars in thousands):

September 30, 2012:					Estimated
			Amortized Cost		Fair Value	% of Total
Finance		$	3,551,382	$	3,802,951	32.0	%
Industrial			5,583,541		6,146,069	51.6
Utility			1,715,512		1,914,809	16.1
Other			34,636		35,893	0.3
	Total	$	10,885,071	$	11,899,722	100.0	%

December 31, 2011:					Estimated
			Amortized Cost		Fair Value	% of Total
Finance		$	2,411,175	$	2,442,149	32.7	%
Industrial			3,402,099		3,760,187	50.4
Utility			1,115,384		1,255,090	16.9
Other			3,300		3,680	-
	Total	$	6,931,958	$	7,461,106	100.0	%

The creditworthiness of Greece, Ireland, Italy, Portugal and Spain, commonly referred to as “Europe's peripheral region,” is under ongoing stress and uncertainty due to high debt levels and economic weakness. The Company did not have exposure to sovereign fixed maturity securities, which includes global government agencies, from Europe's peripheral region as of September 30, 2012 and December 31, 2011. In addition, the Company did not purchase or sell credit protection, through credit default swaps, referenced to sovereign entities of Europe's peripheral region. The tables below show the Company's exposure to sovereign fixed maturity securities originated in countries other than Europe's peripheral region, included in “Other foreign government, supranational and foreign government-sponsored enterprises,” as of September 30, 2012 and December 31, 2011 (dollars in thousands):

September 30, 2012:					Estimated
			Amortized Cost		Fair Value	% of Total
Australia		$	454,131	$	470,628	33.3	%
Japan			221,977		228,478	16.2
United Kingdom			129,960		140,478	10.0
Cayman Islands			69,333		76,661	5.4
South Africa			63,037		67,240	4.8
New Zealand			54,077		54,716	3.9
Germany			42,360		45,229	3.2
South Korea			41,396		44,619	3.2
France			38,694		41,945	3.0
Other			215,586		240,896	17.0
	Total	$	1,330,551	$	1,410,890	100.0	%



December 31, 2011:					Estimated
			Amortized Cost		Fair Value	% of Total
Australia		$	437,713	$	446,694	39.1	%
Japan			214,994		219,276	19.2
United Kingdom			118,618		130,106	11.4
Germany			72,926		75,741	6.6
New Zealand			51,547		51,544	4.5
South Africa			37,624		38,528	3.4
South Korea			30,592		32,025	2.8
Other			139,927		148,792	13.0
	Total	$	1,103,941	$	1,142,706	100.0	%

The tables below show the Company's exposure to non-sovereign fixed maturity and equity securities, based on the security's country of issuance, from Europe's peripheral region as of September 30, 2012 and December 31, 2011 (dollars in thousands):

September 30, 2012:							Estimated
					Amortized Cost		Fair Value	% of Total
Financial institutions:
	Ireland			$	3,592	$	4,057	4.4	%
	Spain				23,347		23,215	25.0
		Total financial institutions			26,939		27,272	29.4

Other:
	Ireland				26,346		27,528	29.7
	Italy				6,393		6,394	6.9
	Spain				31,694		31,525	34.0
		Total other			64,433		65,447	70.6
			Total	$	91,372	$	92,719	100.0	%

December 31, 2011:							Estimated
					Amortized Cost		Fair Value	% of Total
Financial institutions:
	Ireland			$	4,084	$	4,397	5.9	%
	Spain				25,565		20,378	27.6
		Total financial institutions			29,649		24,775	33.5

Other:
	Ireland				12,474		13,149	17.8
	Italy				2,898		2,808	3.8
	Spain				34,459		33,137	44.9
		Total other			49,831		49,094	66.5
			Total	$	79,480	$	73,869	100.0	%

Unrealized Losses for Fixed Maturity and Equity Securities Available-for-Sale

The following table presents the total gross unrealized losses for the 618 and 940 fixed maturity and equity securities as of September 30, 2012 and December 31, 2011, respectively, where the estimated fair value had declined and remained below amortized cost by the indicated amount (dollars in thousands):

		September 30, 2012				December 31, 2011
		Gross				Gross
		Unrealized				Unrealized
		Losses		% of Total		Losses		% of Total
Less than 20%		$	55,930	36.4	%	$	131,155	44.8	%
20% or more for less than six months			509	0.3			51,503	17.6
20% or more for six months or greater			97,261	63.3			109,828	37.6
	Total	$	153,700	100.0	%	$	292,486	100.0	%

As of September 30, 2012 and December 31, 2011, respectively, 52.8% and 65.3% of these gross unrealized losses were associated with investment grade securities. The unrealized losses on these securities decreased primarily due to a decline in interest rates since December 31, 2011.

The Company's determination of whether a decline in value is other-than-temporary includes analysis of the underlying credit and the extent and duration of a decline in value. The Company's credit analysis of an investment includes determining whether the issuer is current on its contractual payments, evaluating whether it is probable that the Company will be able to collect all amounts due according to the contractual terms of the security and analyzing the overall ability of the Company to recover the amortized cost of the investment. The Company continues to consider valuation declines as a potential indicator of credit deterioration. The Company believes that due to fluctuating market conditions and an extended period of economic uncertainty, the extent and duration of a decline in value have become less indicative of when there has been credit deterioration with respect to a fixed maturity security since it may not have an impact on the ability of the issuer to service all scheduled payments and the Company's evaluation of the recoverability of all contractual cash flows or the ability to recover an amount at least equal to amortized cost. In the Company's impairment review process, the duration and severity of an unrealized loss position for equity securities are given greater weight and consideration given the lack of contractual cash flows or deferability features.

The following tables present the estimated fair values and gross unrealized losses, including other-than-temporary impairment losses reported in AOCI, for 618 and 940 fixed maturity and equity securities that have estimated fair values below amortized cost as of September 30, 2012 and December 31, 2011, respectively (dollars in thousands). These investments are presented by class and grade of security, as well as the length of time the related market value has remained below amortized cost.

			Less than 12 months				12 months or greater				Total
					Gross				Gross				Gross
September 30, 2012:			Estimated		Unrealized		Estimated		Unrealized		Estimated		Unrealized
			Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Investment grade securities:
	Corporate securities		$	436,908	$	7,947	$	168,366	$	26,006	$	605,274	$	33,953
	Canadian and Canadian provincial
		governments		589		2		--		--		589		2
	Residential mortgage-backed securities			21,365		113		21,236		4,763		42,601		4,876
	Asset-backed securities			55,260		1,286		101,691		20,960		156,951		22,246
	Commercial mortgage-backed securities			117,736		1,350		40,110		9,546		157,846		10,896
	U.S. government and agencies			6,715		18		--		--		6,715		18
	State and political subdivisions			2,885		1,272		18,409		4,940		21,294		6,212
	Other foreign government, supranational and
		foreign government-sponsored enterprises		53,671		1,068		16,589		1,025		70,260		2,093
		Total investment grade securities		695,129		13,056		366,401		67,240		1,061,530		80,296

Non-investment grade securities:
	Corporate securities			133,893		4,330		63,817		6,341		197,710		10,671
	Residential mortgage-backed securities			7,774		55		4,304		530		12,078		585
	Asset-backed securities			--		--		18,244		11,955		18,244		11,955
	Commercial mortgage-backed securities			12,157		492		60,373		48,867		72,530		49,359
		Total non-investment grade securities		153,824		4,877		146,738		67,693		300,562		72,570
		Total fixed maturity securities	$	848,953	$	17,933	$	513,139	$	134,933	$	1,362,092	$	152,866

	Non-redeemable preferred stock		$	734	$	6	$	6,744	$	828	$	7,478	$	834
		Total equity securities	$	734	$	6	$	6,744	$	828	$	7,478	$	834

			Less than 12 months				12 months or greater				Total
					Gross				Gross				Gross
December 31, 2011:			Estimated		Unrealized		Estimated		Unrealized		Estimated		Unrealized
			Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Investment grade securities:
	Corporate securities		$	790,758	$	40,180	$	286,244	$	63,117	$	1,077,002	$	103,297
	Canadian and Canadian provincial
		governments		3,094		29		--		--		3,094		29
	Residential mortgage-backed securities			128,622		3,549		58,388		10,382		187,010		13,931
	Asset-backed securities			101,263		3,592		93,910		29,036		195,173		32,628
	Commercial mortgage-backed securities			109,455		3,538		58,979		22,001		168,434		25,539
	U.S. government and agencies			1,764		61		--		--		1,764		61
	State and political subdivisions			21,045		1,845		12,273		1,268		33,318		3,113
	Other foreign government, supranational and
		foreign government-sponsored enterprises		148,416		1,085		16,588		2,491		165,004		3,576
		Total investment grade securities		1,304,417		53,879		526,382		128,295		1,830,799		182,174

Non-investment grade securities:
	Corporate securities			212,795		10,852		47,310		11,222		260,105		22,074
	Residential mortgage-backed securities			23,199		712		10,459		1,781		33,658		2,493
	Asset-backed securities			2,363		940		21,275		20,107		23,638		21,047
	Commercial mortgage-backed securities			34,918		7,220		62,357		46,730		97,275		53,950
	State and political subdivisions			4,000		228		--		--		4,000		228
		Total non-investment grade securities		277,275		19,952		141,401		79,840		418,676		99,792
		Total fixed maturity securities	$	1,581,692	$	73,831	$	667,783	$	208,135	$	2,249,475	$	281,966

	Non-redeemable preferred stock		$	19,516	$	4,478	$	15,694	$	4,504	$	35,210	$	8,982
	Other equity securities			1,662		602		5,905		936		7,567		1,538
		Total equity securities	$	21,178	$	5,080	$	21,599	$	5,440	$	42,777	$	10,520

As of September 30, 2012, the Company does not intend to sell these fixed maturity securities and does not believe it is more likely than not that it will be required to sell these fixed maturity securities before the recovery of the fair value up to the current amortized cost of the investment, which may be maturity. However, unforeseen facts and circumstances may cause the Company to sell fixed maturity securities in the ordinary course of managing its portfolio to meet certain diversification, credit quality, asset-liability management and liquidity guidelines.

As of September 30, 2012, the Company has the ability and intent to hold the equity securities until the recovery of the fair value up to the current cost of the investment. However, unforeseen facts and circumstances may cause the Company to sell equity securities in the ordinary course of managing its portfolio to meet certain diversification, credit quality and liquidity guidelines.

Unrealized losses on non-investment grade securities are principally related to asset-backed securities, residential mortgage-backed securities and commercial mortgage-backed securities and were the result of wider credit spreads resulting from higher risk premiums since the time of initial purchase, largely due to macroeconomic conditions and credit market deterioration, including the impact of lower real estate valuations. As of September 30, 2012 and December 31, 2011, approximately $61.4 million and $68.6 million, respectively, of gross unrealized losses greater than 12 months was associated with non-investment grade asset and mortgage-backed securities. This class of securities was evaluated based on actual and projected collateral losses relative to the securities' positions in the respective securitization trusts and security specific expectations of cash flows. This evaluation also takes into consideration credit enhancement, measured in terms of (i) subordination from other classes of securities in the trust that are contractually obligated to absorb losses before the class of security the Company owns, and (ii) the expected impact of other structural features embedded in the securitization trust beneficial to the class of securities the Company owns, such as overcollateralization and excess spread.

Purchased Credit Impaired Fixed Maturity Securities Available-for-Sale

In the third quarter of 2012, the Company began purchasing certain residential mortgage-backed securities that had experienced deterioration in credit quality since their issuance. Securities acquired with evidence of credit quality deterioration since origination and for which it is probable at the acquisition date that the Company will be unable to collect all contractually required payments are classified as purchased credit impaired securities. For each security, the excess of the cash flows expected to be collected as of the acquisition date over its acquisition date fair value is referred to as the accretable yield and is recognized as net investment income on an effective yield basis. At the date of acquisition, the timing and amount of the cash flows expected to be collected was determined based on a best estimate using key assumptions, such as interest rates, default rates and prepayment speeds. If subsequently, based on current information and events, it is probable that there is a significant increase in cash flows previously expected to be collected or if actual cash flows are significantly greater than cash flows previously expected to be collected, the accretable yield is adjusted prospectively. The excess of the contractually required payments (including interest) as of the acquisition date over the cash flows expected to be collected as of the acquisition date is referred to as the nonaccretable difference, and this amount is not expected to be realized as net investment income. Decreases in cash flows expected to be collected can result in OTTI.

The following tables present information on the Company's purchased credit impaired securities, which are included in fixed maturity securities available-for-sale (dollars in thousands):

The following table presents information about purchased credit impaired investments acquired during the nine months ended September 30, 2012 (dollars in thousands).

		At Date of
		Acquisition
Contractually required payments (including interest)		$	50,268
Cash flows expected to be collected⁽¹⁾		$	42,316
Fair value of investments acquired		$	30,853

(1)	Represents undiscounted principal and interest cash flow expectations at the date of acquisition.

The following table presents activity for the accretable yield on purchased credit impaired securities for the nine months ended September 30, 2012 (dollars in thousands):

	Nine months ended
	September 30, 2012
Balance, beginning of period	$	--
Investments purchased		11,463
Accretion		(6)
Balance, end of period	$	11,457

Mortgage Loans on Real Estate

Mortgage loans represented approximately 6.7% and 3.8% of the Company's cash and invested assets as of September 30, 2012 and December 31, 2011, respectively. The Company makes mortgage loans on income producing properties, such as apartments, retail and office buildings, light warehouses and light industrial facilities. Loan-to-value ratios at the time of loan approval are 75% or less. The distribution of mortgage loans, gross of valuation allowances, by property type is as follows as of September 30, 2012 and December 31, 2011 (dollars in thousands):

		September 30, 2012				December 31, 2011
		Recorded		Percentage		Recorded		Percentage
Property type:		Investment		of Total		Investment		of Total
	Apartment	$	238,365	10.5	%	$	124,674	12.4	%
	Retail		618,896	27.3			335,745	33.5
	Office building		803,889	35.4			264,584	26.4
	Industrial		454,215	20.0			200,762	20.0
	Other commercial		154,849	6.8			77,759	7.7
Total		$	2,270,214	100.0	%	$	1,003,524	100.0	%

As of September 30, 2012 and December 31, 2011, the Company's mortgage loans, gross of valuation allowances, were distributed throughout the United States as follows (dollars in thousands):

		September 30, 2012				December 31, 2011
		Recorded		Percentage		Recorded		Percentage
		Investment		of Total		Investment		of Total
Pacific		$	613,425	27.0	%	$	269,922	26.9	%
South Atlantic			470,722	20.7			233,534	23.3
Mountain			198,443	8.7			116,224	11.6
Middle Atlantic			311,192	13.7			86,590	8.6
West North Central			155,745	6.9			69,789	7.0
East North Central			221,085	9.7			92,861	9.2
West South Central			147,177	6.5			58,506	5.8
East South Central			60,121	2.7			40,767	4.1
New England			92,304	4.1			35,331	3.5
	Total	$	2,270,214	100.0	%	$	1,003,524	100.0	%

The maturities of the mortgage loans, gross of valuation allowances, as of September 30, 2012 and December 31, 2011 are as follows (dollars in thousands):


		September 30, 2012		December 31, 2011
Due one year through five years		$	1,234,191	$	493,027
Due after five years			731,618		299,252
Due after ten years			304,405		211,245
	Total	$	2,270,214	$	1,003,524

Information regarding the Company's credit quality indicators for its recorded investment in mortgage loans, gross of valuation allowances, as of September 30, 2012 and December 31, 2011 is as follows (dollars in thousands):

Internal credit risk grade:			September 30, 2012		December 31, 2011
	High investment grade		$	1,153,162	$	252,333
	Investment grade			871,508		526,608
	Average			134,205		105,177
	Watch list			73,977		91,037
	In or near default			37,362		28,369
		Total	$	2,270,214	$	1,003,524

The age analysis of the Company's past due recorded investment in mortgage loans, gross of valuation allowances, as of September 30, 2012 and December 31, 2011 is as follows (dollars in thousands):

			September 30, 2012		December 31, 2011
31-60 days past due			$	16,627	$	21,800
61-90 days past due				--		--
Greater than 90 days				16,298		20,316
	Total past due			32,925		42,116
Current				2,237,289		961,408
		Total	$	2,270,214	$	1,003,524

The following table presents the recorded investment in mortgage loans, by method of evaluation of credit loss, and the related valuation allowances, by type of credit loss, at (dollars in thousands):

			September 30, 2012		December 31, 2011
Mortgage loans:
	Evaluated individually for credit losses		$	44,394	$	60,904
	Evaluated collectively for credit losses			2,225,820		942,620
		Mortgage loans, gross of valuation allowances		2,270,214		1,003,524

Valuation allowances:
	Specific for credit losses			8,343		8,188
	Non-specifically identified credit losses			4,990		3,605
		Total valuation allowances		13,333		11,793

		Mortgage loans, net of valuation allowances	$	2,256,881	$	991,731

Information regarding the Company's loan valuation allowances for mortgage loans for the three months ended September 30, 2012 and 2011 is as follows (dollars in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Balance, beginning of period	$	11,011	$	7,692	$	11,793	$	6,239
Charge-offs		(526)		--		(4,595)		(1,157)
Provision		2,848		2,370		6,135		4,980
Balance, end of period	$	13,333	$	10,062	$	13,333	$	10,062

Information regarding the portion of the Company's mortgage loans that were impaired as of September 30, 2012 and December 31, 2011 is as follows (dollars in thousands):

		Unpaid Principal Balance		Recorded Investment		Related Allowance		Carrying Value
September 30, 2012:
Impaired mortgage loans with no valuation allowance recorded		$	13,127	$	12,585	$	--	$	12,585
Impaired mortgage loans with valuation allowance recorded			31,939		31,809		8,343		23,466
	Total impaired mortgage loans	$	45,066	$	44,394	$	8,343	$	36,051

December 31, 2011:
Impaired mortgage loans with no valuation allowance recorded		$	32,088	$	31,496	$	--	$	31,496
Impaired mortgage loans with valuation allowance recorded			29,724		29,408		8,188		21,220
	Total impaired mortgage loans	$	61,812	$	60,904	$	8,188	$	52,716

The Company's average investment in impaired mortgage loans and the related interest income are reflected in the table below for the periods indicated (dollars in thousands):

		Three Months Ended
		September 30, 2012				September 30, 2011
		Average Investment⁽¹⁾		Interest Income		Average Investment⁽¹⁾		Interest Income
Impaired mortgage loans with no valuation allowance recorded		$	11,054	$	109	$	4,706	$	32
Impaired mortgage loans with valuation allowance recorded			35,047		461		31,351		202
	Total	$	46,101	$	570	$	36,057	$	234




		Nine Months Ended
		September 30, 2012				September 30, 2011
		Average Investment⁽¹⁾		Interest Income		Average Investment⁽¹⁾		Interest Income
Impaired mortgage loans with no valuation allowance recorded		$	16,312	$	305	$	11,228	$	102
Impaired mortgage loans with valuation allowance recorded			36,178		1,180		25,046		678
	Total	$	52,490	$	1,485	$	36,274	$	780

(1)	Average recorded investment represents the average loan balances as of the beginning of period and all subsequent quarterly end of period balances.

The Company did not acquire any impaired mortgage loans during the nine months ended September 30, 2012 and 2011. The Company had $16.3 million and $20.3 million of mortgage loans, gross of valuation allowances, that were on nonaccrual status at September 30, 2012 and December 31, 2011, respectively.

Other Invested Assets

Other invested assets include equity securities, limited partnership interests, structured loans and derivative contracts. Other invested assets represented approximately 3.7% and 3.9% of the Company's cash and invested assets as of September 30, 2012 and December 31, 2011, respectively. Carrying values of these assets as of September 30, 2012 and December 31, 2011 are as follows (dollars in thousands):

		September 30, 2012		December 31, 2011
Equity securities		$	209,272	$	113,900
Limited partnerships and joint ventures			350,643		251,315
Structured loans			341,795		281,022
Derivatives			212,322		257,050
Other			122,584		109,254
	Total other invested assets	$	1,236,616	$	1,012,541

Investments Transferred to the Company

During the second quarter of 2012, the Company added a large fixed deferred annuity reinsurance transaction in its U.S. Asset Intensive sub-segment. This transaction increased the Company's invested asset base by approximately $5.4 billion which was reflected on the condensed consolidated balance sheet as of June 30, 2012 as an investment receivable. In satisfaction of this investment receivable, the Company received the following on July 31, 2012 and August 3, 2012 (dollars in thousands):

				Amortized Cost/		Estimated
				Recorded Investment		Fair Value
Fixed maturity securities – available for sale:
	Corporate securities			$	2,585,095	$	2,606,816
	Asset-backed securities				137,251		138,918
	Commercial mortgage-backed securities				703,313		704,065
	U.S. Government and agencies securities				240,952		256,168
	State and political subdivision securities				27,297		27,555
	Other foreign government, supranational, and
		foreign government-sponsored enterprises			56,776		55,437
			Total fixed maturity securities – available for sale		3,750,684		3,788,959
Mortgage loans on real estate					1,009,454		1,021,661
Short-term investments					101,428		101,338
Cash and cash equivalents					501,593		501,593
Accrued interest					43,739		43,739
			Total	$	5,406,898	$	5,457,290

The securities transferred to the Company related to the transaction are considered a non-cash transaction in the condensed consolidated statement of cash flows.

- Definition

Tabular disclosure of investments in certain debt and equity securities (and certain other trading assets) which include all debt and equity securities (other than those equity securities accounted for under the equity or cost methods of accounting) with readily determinable fair values. Other trading assets include assets that are carried on the balance sheet at fair value and held for trading purposes. A debt security represents a creditor relationship with an enterprise that is in the form of a security. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities (and other trading assets).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 3, 19, 20, 21, 22, 137
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 310
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-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 320
-Section 50
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-URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803

Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563

Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Debt Security
-URI http://asc.fasb.org/extlink&oid=6509901
-Topic 320

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Equity Security
-URI http://asc.fasb.org/extlink&oid=6511694
-Topic 320

+ Details

Derivative Instruments

9 Months Ended

Sep. 30, 2012

Derivative Instruments [Abstract]

Derivative Instruments

5. Derivative Instruments

The following table presents the notional amounts and fair value of derivative instruments as of September 30, 2012 and December 31, 2011 (dollars in thousands):

				September 30, 2012						December 31, 2011
					Notional	Carrying Value/Fair Value					Notional	Carrying Value/Fair Value
					Amount		Assets		Liabilities		Amount		Assets		Liabilities
Derivatives not designated as
	hedging instruments:
	Interest rate swaps⁽¹⁾			$	2,236,718	$	306,774	$	174,741	$	2,748,317	$	184,842	$	18,702
	Financial futures⁽¹⁾				204,424		--		--		277,814		--		--
	Foreign currency forwards⁽¹⁾				44,400		4,052		36		24,400		4,560		--
	Consumer price index swaps⁽¹⁾				102,742		817		--		101,069		766		--
	Credit default swaps⁽¹⁾				640,500		1,308		3,770		649,500		1,313		10,949
	Equity options⁽¹⁾				696,776		73,659		--		510,073		90,106		--
	Synthetic guaranteed investment contracts
		("GICs")⁽¹⁾			1,913,202		--		--		--		--		--
	Embedded derivatives in:
		Modified coinsurance or funds
			withheld arrangements⁽²⁾		--		--		320,501		--		--		361,456
		Indexed annuity products⁽³⁾			--		4,192		751,112		--		4,945		751,523
		Variable annuity products⁽³⁾			--		--		202,693		--		--		276,718
	Total non-hedging derivatives				5,838,762		390,802		1,452,853		4,311,173		286,532		1,419,348

Derivatives designated as
	hedging instruments:
	Interest rate swaps⁽¹⁾				57,181		3,901		--		56,250		133		960
	Foreign currency swaps⁽¹⁾				629,512		--		32,757		621,578		286		23,996
	Total hedging derivatives				686,693		3,901		32,757		677,828		419		24,956
Total derivatives				$	6,525,455	$	394,703	$	1,485,610	$	4,989,001	$	286,951	$	1,444,304

(1)		Carried on the Company’s condensed consolidated balance sheets in other invested assets or other liabilities, at fair value.
(2)		Embedded liability is included on the condensed consolidated balance sheets with the host contract in funds withheld at interest, at fair value.
(3)		Embedded liability is included on the condensed consolidated balance sheets with the host contract in interest-sensitive contract liabilities, at fair value. Embedded asset is included on the condensed consolidated balance sheets in reinsurance ceded receivables.

Accounting for Derivative Instruments and Hedging Activities

The Company does not enter into derivative instruments for speculative purposes. As discussed below under “Non-qualifying Derivatives and Derivatives for Purposes Other Than Hedging,” the Company uses various derivative instruments for risk management purposes that either do not qualify or have not been qualified for hedge accounting treatment, including derivatives used to economically hedge changes in the fair value of liabilities associated with the reinsurance of variable annuities with guaranteed living benefits. As of September 30, 2012 and December 31, 2011, the Company held interest rate swaps that were designated and qualified as cash flow hedges of interest rate risk. As of September 30, 2012 and December 31, 2011, the Company held foreign currency swaps that were designated and qualified as hedges of a portion of its net investment in its foreign operations. As of September 30, 2012 and December 31, 2011, the Company also had derivative instruments that were not designated as hedging instruments. See Note 2 – “Summary of Significant Accounting Policies” of the Company's DAC Current Report for a detailed discussion of the accounting treatment for derivative instruments, including embedded derivatives. Derivative instruments are carried at fair value and generally require an insignificant amount of cash at inception of the contracts.

Fair Value Hedges

During the fourth quarter of 2011 the Company removed the fair value hedge designation for its interest rate swaps. However, prior to the fourth quarter of 2011 the Company designated and accounted for certain interest rate swaps that convert fixed rate investments to floating rate investments as fair value hedges when they meet the requirements of the general accounting principles for Derivatives and Hedging. The gain or loss on the hedged item attributable to the hedged benchmark interest rate and the offsetting gain or loss on the related interest rate swaps for the three and nine months ended September 30, 2011 were (dollars in thousands):

Type of Fair Value Hedge	Hedged Item		Gains (Losses) Recognized for Derivatives		Gains (Losses) Recognized for Hedged Items		Ineffectiveness Recognized in Investment Related Gains (Losses)

For the three months ended September 30, 2011:
Interest rate swaps	Fixed rate fixed maturities	$	(655)	$	913	$	258

For the nine months ended September 30, 2011:
Interest rate swaps	Fixed rate fixed maturities	$	(921)	$	1,509	$	588

A regression analysis was used, both at the inception of the hedge and on an ongoing basis, to determine whether each derivative used in a hedge transaction is highly effective in offsetting changes in the hedged item. All components of each derivative's gain or loss were included in the assessment of hedge effectiveness.

Cash Flow Hedges

The Company designates and accounts for certain interest rate swaps, in which the cash flows are denominated in different currencies, commonly referred to as cross-currency swaps, as cash flow hedges when they meet the requirements of the general accounting principles for Derivatives and Hedging.

The following table presents the components of AOCI, before income tax, and the condensed consolidated income statement classification where the gain or loss is recognized related to cash flow hedges for the three and nine months ended September 30, 2012 (dollars in thousands):

	Three months ended		Nine months ended
	September 30, 2012		September 30, 2012
Accumulated other comprehensive income (loss), balance beginning of period	$	(719)	$	(828)
Gains (losses) deferred in other comprehensive income (loss) on the effective portion of cash flow hedges		(2,831)		(2,044)
Amounts reclassified to investment related gains (losses), net		--		--
Amounts reclassified to investment income		(351)		(1,029)
Accumulated other comprehensive income (loss), balance end of period	$	(3,901)	$	(3,901)

As of September 30, 2012, the before-tax deferred net gains on derivative instruments recorded in AOCI that are expected to be reclassified to earnings during the next twelve months are $0.8 million. This expectation is based on the anticipated interest payments on hedged investments in fixed maturity securities that will occur over the next twelve months, at which time the Company will recognize the deferred net gains (losses) as an adjustment to investment income over the term of the investment cash flows. There were no hedged forecasted transactions, other than the receipt or payment of variable interest payments on existing financial instruments, for the three and nine months ended September 30, 2012. The Company had no derivative instruments that were designated and qualified as cash flow hedges for the three and nine months ended September 30, 2011.

The following table presents the effects of derivatives in cash flow hedging relationships on the condensed consolidated statements of income and AOCI for the three and nine months ended September 30, 2012 (dollars in thousands):

Derivatives in Cash Flow Hedging Relationships	Amount of Gains (Losses) Deferred in AOCI on Derivatives		Amount and Location of Gains (Losses) Reclassified from AOCI into Income (Loss)				Amount and Location of Gains (Losses) Recognized in Income (Loss) on Derivatives
	(Effective Portion)		(Effective Portion)				(Ineffective Portion and Amounts Excluded from Effectiveness Testing)
			Investment Related Gains (Losses)		Investment Income		Investment Related Gains (Losses)		Investment Income
For the three months ended September 30, 2012:
Interest rate swaps	$	(2,831)	$	--	$	351	$	(3)	$	--

For the nine months ended September 30, 2012:
Interest rate swaps	$	(2,044)	$	--	$	1,029	$	--	$	--

Hedges of Net Investments in Foreign Operations

The Company uses foreign currency swaps to hedge a portion of its net investment in certain foreign operations against adverse movements in exchange rates. The following table illustrates the Company's net investments in foreign operations (“NIFO”) hedges for the three and nine months ended September 30, 2012 and 2011 (dollars in thousands):

		Derivative Gains (Losses) Deferred in AOCI
		For the three months ended				For the nine months ended
Type of NIFO Hedge ^{(1) (2)}		2012		2011		2012			2011

Foreign currency swaps		$	(19,454)	$	50,974	$	(23,457)	$	25,954

(1)	There were no sales or substantial liquidations of net investments in foreign operations that would have required the reclassification of gains or losses from accumulated other comprehensive income (loss) into investment income during the periods presented.
(2)	There was no ineffectiveness recognized for the Company's hedges of net investments in foreign operations.

The cumulative foreign currency translation gain (loss) recorded in AOCI related to these hedges was $(19.4) million and $4.1 million at September 30, 2012 and December 31, 2011, respectively. If a foreign operation was sold or substantially liquidated, the amounts in AOCI would be reclassified to the condensed consolidated statements of income. A pro rata portion would be reclassified upon partial sale of a foreign operation.

Non-qualifying Derivatives and Derivatives for Purposes Other Than Hedging

The Company uses various other derivative instruments for risk management purposes that either do not qualify or have not been qualified for hedge accounting treatment, including derivatives used to economically hedge changes in the fair value of liabilities associated with the reinsurance of variable annuities with guaranteed living benefits. The gain or loss related to the change in fair value for these derivative instruments is recognized in investment related gains (losses), in the condensed consolidated statements of income, except where otherwise noted. For the three months ended September 30, 2012 and 2011, the Company recognized investment related gains (losses) of $(20.6) million and $200.8 million, respectively, and $(31.8) million and $203.4 million for the nine months ended September 30, 2012 and 2011, respectively, related to derivatives (not including embedded derivatives) that do not qualify or have not been qualified for hedge accounting.

Interest Rate Swaps

Interest rate swaps are used by the Company primarily to reduce market risks from changes in interest rates and to alter interest rate exposure arising from mismatches between assets and liabilities (duration mismatches). With an interest rate swap, the Company agrees with another party to exchange, at specified intervals, the difference between two rates, which can be either fixed-rate or floating-rate interest amounts, tied to an agreed-upon notional principal amount. These transactions are executed pursuant to master agreements that provide for a single net payment or individual gross payments at each due date.

Financial Futures

Exchange-traded equity futures are used primarily to economically hedge liabilities embedded in certain variable annuity products. With exchange-traded equity futures transactions, the Company agrees to purchase or sell a specified number of contracts, the value of which is determined by the relevant stock indices, and to post variation margin on a daily basis in an amount equal to the difference between the daily estimated fair values of those contracts. The Company enters into exchange-traded equity futures with regulated futures commission merchants that are members of the exchange.

Equity Options

Equity index options are used by the Company primarily to hedge minimum guarantees embedded in certain variable annuity products. To hedge against adverse changes in equity indices volatility, the Company buys put options. The contracts are net settled in cash based on differentials in the indices at the time of exercise and the strike price.

Consumer Price Index Swaps

Consumer price index (“CPI”) swaps are used by the Company primarily to economically hedge liabilities embedded in certain insurance products where value is directly affected by changes in a designated benchmark consumer price index. With a CPI swap transaction, the Company agrees with another party to exchange the actual amount of inflation realized over a specified period of time for a fixed amount of inflation determined at inception. These transactions are executed pursuant to master agreements that provide for a single net payment or individual gross payments to be made by the counterparty at each due date. Most of these swaps will require a single payment to be made by one counterparty at the maturity date of the swap.

Foreign Currency Swaps

Foreign currency swaps are used by the Company to reduce the risk from fluctuations in foreign currency exchange rates associated with its assets and liabilities denominated in foreign currencies. With a foreign currency swap transaction, the Company agrees with another party to exchange, at specified intervals, the difference between one currency and another at a forward exchange rate calculated by reference to an agreed upon principal amount. The principal amount of each currency is exchanged at the inception and termination of the currency swap by each party. The Company may also use foreign currency swaps to economically hedge the foreign currency risk associated with certain of its net investments in foreign operations.

Foreign Currency Forwards

Foreign currency forwards are used by the Company to reduce the risk from fluctuations in foreign currency exchange rates associated with its assets and liabilities denominated in foreign currencies. With a foreign currency forward transaction, the Company agrees with another party to deliver a specified amount of an identified currency at a specified future date. The price is agreed upon at the time of the contract and payment for such a contract is made in a different currency at the specified future date.

Credit Default Swaps

The Company sells protection under single name credit default swaps and credit default swap index tranches to diversify its credit risk exposure in certain portfolios and, in combination with purchasing securities, to replicate characteristics of similar investments based on the credit quality and term of the credit default swap. Credit default triggers for indexed reference entities and single name reference entities are defined in the contracts. The Company's maximum exposure to credit loss equals the notional value for credit default swaps. In the event of default for credit default swaps, the Company is typically required to pay the protection holder the full notional value less a recovery rate determined at auction.

The Company's maximum amount at risk on credit default swaps, assuming the value of the underlying referenced securities is zero, was $622.5 million and $614.0 million at September 30, 2012 and December 31, 2011, respectively.

The Company also purchases credit default swaps to reduce its risk against a drop in bond prices due to credit concerns of certain bond issuers. If a credit event, as defined by the contract, occurs, the Company is able to put the bond back to the counterparty at par.

Synthetic GICs

The Company sells fee-based synthetic GICs which include investment-only, stable value contracts, to retirement plans. The assets are owned by the trustees of such plans, who invest the assets under the terms of investment guidelines agreed to with the Company. The contracts contain a guarantee of a minimum rate of return on participant balances supported by the underlying assets, and a guarantee of liquidity to meet certain participant-initiated plan cash flow requirements. These contracts are accounted for as derivatives, recorded at fair value and classified as interest rate derivatives.

Embedded Derivatives

The Company has certain embedded derivatives which are required to be separated from their host contracts and reported as derivatives. Host contracts include reinsurance treaties structured on a modified coinsurance (“modco”) or funds withheld basis. Changes in fair values of embedded derivatives on modco or funds withheld treaties are net of an increase (decrease) in investment related gains, net of $(6.2) million and $25.4 million for the three months and $(63.4) million and $1.1 million for the nine months ended September 30, 2012 and 2011, respectively, associated with the Company's own credit risk. Changes in fair values of embedded derivatives on variable annuity contracts are net of an increase (decrease) in investment related gains (losses), net of $(28.3) million and $23.2 million for the three and nine months ended September 30, 2012, respectively, associated with the Company's own credit risk. Additionally, the Company reinsures equity-indexed annuity and variable annuity contracts with benefits that are considered embedded derivatives, including guaranteed minimum withdrawal benefits, guaranteed minimum accumulation benefits, and guaranteed minimum income benefits. The related gains (losses) and the effect on net income after amortization of deferred acquisition costs (“DAC”) and income taxes for the three months ended September 30, 2012 and 2011 are reflected in the following table (dollars in thousands):

		Three months ended				Nine months ended
		September 30,				September 30,
		2012		2011		2012		2011
Embedded derivatives in modco or funds withheld arrangements included
	in investment related gains	$	54,836	$	(102,574)	$	40,955	$	(1,514)
After the associated amortization of DAC and taxes, the related amounts included in net income			11,228		(22,403)		10,563		568

Embedded derivatives in variable annuity contracts included in investment related gains			2,579		(260,239)		74,025		(253,445)
After the associated amortization of DAC and taxes, the related amounts included in net income			1,588		(25,263)		494		(23,876)
Amounts related to embedded derivatives in equity-indexed annuities included
	in benefits and expenses		(33,821)		14,360		(26,422)		(58,987)
After the associated amortization of DAC and taxes, the related amounts included in net income			(22,529)		23,002		6,465		(26,840)

Non-hedging Derivatives

A summary of the effect of non-hedging derivatives, including embedded derivatives, on the Company’s income statement for the three and nine months ended September 30, 2012 and 2011 is as follows (dollars in thousands):

					Gain (Loss) for the Three Months Ended
					September 30,
Type of Non-hedging Derivative			Income Statement Location of Gain (Loss)		2012		2011
Interest rate swaps			Investment related gains (losses), net		$	(1,437)	$	142,907
Financial futures			Investment related gains (losses), net			(3,977)		36,217
Foreign currency forwards			Investment related gains (losses), net			519		1,374
CPI swaps			Investment related gains (losses), net			422		(219)
Credit default swaps			Investment related gains (losses), net			7,817		(10,018)
Equity options			Investment related gains (losses), net			(23,916)		30,530
Embedded derivatives in:
	Modified coinsurance or funds withheld
		arrangements	Investment related gains (losses), net			54,836		(102,574)
	Indexed annuity products		Policy acquisition costs and other insurance
				expenses		(224)		(3,172)
	Indexed annuity products		Interest credited			(33,597)		17,531
	Variable annuity products		Investment related gains (losses), net			2,579		(260,239)
Total non-hedging derivatives					$	3,022	$	(147,663)

					Gain (Loss) for the Nine Months Ended
					September 30,
Type of Non-hedging Derivative			Income Statement Location of Gain (Loss)		2012		2011
Interest rate swaps			Investment related gains (losses), net		$	24,553	$	157,520
Financial futures			Investment related gains (losses), net			(10,312)		21,920
Foreign currency forwards			Investment related gains (losses), net			(574)		1,114
CPI swaps			Investment related gains (losses), net			(1,811)		1,096
Credit default swaps			Investment related gains (losses), net			14,835		(8,138)
Equity options			Investment related gains (losses), net			(58,532)		29,880
Embedded derivatives in:
	Modified coinsurance or funds withheld
		arrangements	Investment related gains (losses), net			40,955		(1,514)
	Indexed annuity products		Policy acquisition costs and other insurance
				expenses		(363)		8,947
	Indexed annuity products		Interest credited			(26,059)		(67,935)
	Variable annuity products		Investment related gains (losses), net			74,025		(253,445)
Total non-hedging derivatives					$	56,717	$	(110,555)

Credit Risk

The Company manages its credit risk related to over-the-counter derivatives by entering into transactions with creditworthy counterparties, maintaining collateral arrangements and through the use of master agreements that provide for a single net payment to be made by one counterparty to another at each due date and upon termination. As exchange-traded futures are affected through regulated exchanges, and positions are marked to market on a daily basis, the Company has minimal exposure to credit-related losses in the event of nonperformance by counterparties.

The Company enters into various collateral arrangements, which require both the posting and accepting of collateral in connection with its derivative instruments. Collateral agreements contain attachment thresholds that may vary depending on the posting party's ratings. Additionally, a decline in the Company's or the counterparty's credit ratings to specified levels could result in potential settlement of the derivative positions under the Company's agreements with its counterparties. The Company also has exchange-traded futures, which require the maintenance of a margin account.

The Company's credit exposure related to derivative contracts is generally limited to the fair value at the reporting date plus or minus any collateral posted or held by the Company. Information regarding the Company's credit exposure related to its over-the-counter derivative contracts and margin account for exchange-traded futures at September 30, 2012 and December 31, 2011 are reflected in the following table (dollars in thousands):

			September 30, 2012		December 31, 2011
Estimated fair value of derivatives in net asset position			$	179,206	$	227,399
	Securities pledged to counterparties as collateral⁽¹⁾			35,093		27,052
	Cash pledged from counterparties as collateral⁽²⁾			(178,584)		(241,480)
	Securities pledged from counterparties as collateral⁽³⁾			(25,049)		(997)
Net credit exposure			$	10,666	$	11,974

Margin account related to exchange-traded futures⁽⁴⁾			$	5,376	$	18,153

(1)		Consists of U.S. Treasury securities, included in other invested assets.
(2)		Included in cash and cash equivalents, with obligation to return cash collateral recorded in other liabilities.
(3)		Consists of U.S. Treasury securities.
(4)		Included in cash and cash equivalents.

- Definition

The entire disclosure for the entity's entire derivative instruments and hedging activities. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 45
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Topic 815
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+ Details

Fair Value Disclosures

9 Months Ended

Sep. 30, 2012

Statement - Fair Value Disclosures

Fair Value Disclosures

6. Fair Value of Assets and Liabilities

Fair Value Measurement

General accounting principles for Fair Value Measurements and Disclosures define fair value as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. These principles also establish a fair value hierarchy which requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value and describes three levels of inputs that may be used to measure fair value:

Level 1 Quoted prices in active markets for identical assets or liabilities. The Company's Level 1 assets and liabilities include investment securities that are traded in exchange markets.

Level 2 Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or market standard valuation techniques and assumptions with significant inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities. Such observable inputs include benchmarking prices for similar assets in active, liquid markets, quoted prices in markets that are not active and observable yields and spreads in the market. The Company's Level 2 assets and liabilities include investment securities with quoted prices that are traded less frequently than exchange-traded instruments and derivative contracts whose values are determined using market standard valuation techniques. This category primarily includes corporate securities, Canadian and Canadian provincial government securities, and residential and commercial mortgage-backed securities, among others. Level 2 valuations are generally obtained from third party pricing services for identical or comparable assets or liabilities or through the use of valuation methodologies using observable market inputs. Prices from services are validated through analytical reviews and assessment of current market activity.

Level 3 Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the related assets or liabilities. Level 3 assets and liabilities include financial instruments whose value is determined using market standard valuation techniques described above. When observable inputs are not available, the market standard techniques for determining the estimated fair value of certain securities that trade infrequently, and therefore have little transparency, rely on inputs that are significant to the estimated fair value and that are not observable in the market or cannot be derived principally from or corroborated by observable market data. These unobservable inputs can be based in large part on management judgment or estimation and cannot be supported by reference to market activity. Even though unobservable, management believes these inputs are based on assumptions deemed appropriate given the circumstances and consistent with what other market participants would use when pricing similar assets and liabilities. For the Company's invested assets, this category generally includes corporate securities (primarily private placements), asset-backed securities (including those with exposure to subprime mortgages), and to a lesser extent, certain residential and commercial mortgage-backed securities, among others. Prices are determined using valuation methodologies such as discounted cash flow models and other similar techniques. Non-binding broker quotes, which are utilized when pricing service information is not available, are reviewed for reasonableness based on the Company's understanding of the market, and are generally considered Level 3. Under certain circumstances, based on its observations of transactions in active markets, the Company may conclude the prices received from independent third party pricing services or brokers are not reasonable or reflective of market activity. In those instances, the Company would apply internally developed valuation techniques to the related assets or liabilities. Additionally, the Company's embedded derivatives, all of which are associated with reinsurance treaties, are classified in Level 3 since their values include significant unobservable inputs.

When inputs used to measure fair value fall within different levels of the hierarchy, the level within which the fair value measurement is categorized is based on the lowest priority level input that is significant to the fair value measurement in its entirety. For example, a Level 3 fair value measurement may include inputs that are observable (Levels 1 and 2) and unobservable (Level 3). Therefore, gains and losses for such assets and liabilities categorized within Level 3 may include changes in fair value that are attributable to both observable inputs (Levels 1 and 2) and unobservable inputs (Level 3).

Assets and Liabilities by Hierarchy Level

Assets and liabilities measured at fair value on a recurring basis as of September 30, 2012 and December 31, 2011 are summarized below (dollars in thousands):

September 30, 2012:								Fair Value Measurements Using:
						Total		Level 1		Level 2		Level 3
Assets:
	Fixed maturity securities – available-for-sale:
		Corporate securities			$	11,899,722	$	52,993	$	10,339,456	$	1,507,273
		Canadian and Canadian provincial governments				4,091,883		--		4,091,883		--
		Residential mortgage-backed securities				1,055,808		--		1,006,449		49,359
		Asset-backed securities				572,700		--		383,110		189,590
		Commercial mortgage-backed securities				1,740,391		--		1,573,323		167,068
		U.S. government and agencies securities				284,857		212,636		67,655		4,566
		State and political subdivision securities				287,417		--		240,467		46,950
		Other foreign government supranational and foreign
			government-sponsored enterprises			1,725,636		228,478		1,497,158		--
				Total fixed maturity securities – available-for-sale		21,658,414		494,107		19,199,501		1,964,806
	Funds withheld at interest – embedded derivatives					(320,501)		--		--		(320,501)
	Cash equivalents					1,025,410		1,025,410		--		--
	Short-term investments					44,556		--		22,495		22,061
	Other invested assets:
		Non-redeemable preferred stock				74,680		63,874		10,806		--
		Other equity securities				134,592		134,592		--		--
		Derivatives:
			Interest rate swaps			136,211		--		136,211		--
			Foreign currency forwards			4,016		--		4,016		--
			CPI swaps			817		--		817		--
			Credit default swaps			(2,381)		--		(2,381)		--
			Equity options			73,659		--		73,659		--
		Collateral				37,202		34,598		2,604		--
		Other				37,056		37,056		--		--
				Total other invested assets		495,852		270,120		225,732		--
	Reinsurance ceded receivable – embedded derivatives					4,192		--		--		4,192
		Total			$	22,907,923	$	1,789,637	$	19,447,728	$	1,670,558

Liabilities:
	Interest sensitive contract liabilities – embedded derivatives				$	953,804	$	--	$	--	$	953,804
	Other liabilities:
		Derivatives:
			Interest rate swaps			277		--		277		--
			Credit default swaps			81		--		81		--
			Foreign currency swaps			32,757		--		32,757		--
				Total other liabilities		33,115		--		33,115		--
		Total			$	986,919	$	--	$	33,115	$	953,804

December 31, 2011:								Fair Value Measurements Using:
						Total		Level 1		Level 2		Level 3
Assets:
	Fixed maturity securities – available-for-sale:
		Corporate securities			$	7,461,106	$	76,097	$	6,410,840	$	974,169
		Canadian and Canadian provincial governments				3,869,933		--		3,869,933		--
		Residential mortgage-backed securities				1,227,234		--		1,145,579		81,655
		Asset-backed securities				401,991		--		208,499		193,492
		Commercial mortgage-backed securities				1,242,219		--		1,126,243		115,976
		U.S. government and agencies securities				374,002		300,514		73,488		--
		State and political subdivision securities				205,386		12,894		182,119		10,373
		Other foreign government, supranational and foreign
			government-sponsored enterprises			1,419,079		223,440		1,195,639		--
				Total fixed maturity securities – available-for-sale		16,200,950		612,945		14,212,340		1,375,665
	Funds withheld at interest – embedded derivatives					(361,456)		--		--		(361,456)
	Cash equivalents					504,522		504,522		--		--
	Short-term investments					46,671		37,155		9,516		--
	Other invested assets:
		Non-redeemable preferred stock				78,183		58,906		19,277		--
		Other equity securities				35,717		5,308		18,920		11,489
		Derivatives:
			Interest rate swaps			168,484		--		168,484		--
			Foreign currency forwards			4,560		--		4,560		--
			CPI swaps			766		--		766		--
			Credit default swaps			(4,003)		--		(4,003)		--
			Equity options			87,243		--		87,243		--
		Collateral				32,622		27,052		5,570		--
		Other				59,373		59,373		--		--
				Total other invested assets		462,945		150,639		300,817		11,489
	Reinsurance ceded receivable – embedded derivatives					4,945		--		--		4,945
		Total			$	16,858,577	$	1,305,261	$	14,522,673	$	1,030,643

Liabilities:
	Interest sensitive contract liabilities – embedded derivatives				$	1,028,241	$	--	$	--	$	1,028,241
	Other liabilities:
		Derivatives:
			Interest rate swaps			3,171		--		3,171		--
			Credit default swaps			5,633		--		5,633		--
			Equity options			(2,864)		--		(2,864)		--
			Foreign currency swaps			23,710		--		23,710		--
				Total other liabilities		29,650		--		29,650		--
		Total			$	1,057,891	$	--	$	29,650	$	1,028,241

The Company may utilize information from third parties, such as pricing services and brokers, to assist in determining the fair value for certain assets and liabilities; however, management is ultimately responsible for all fair values presented in the Company's financial statements. This includes responsibility for monitoring the fair value process, ensuring objective and reliable valuation practices and pricing of financial instruments, and approving changes to valuation methodologies and pricing sources. The selection of the valuation technique(s) to apply considers the definition of an exit price and the nature of the asset or liability being valued and significant expertise and judgment is required.

The Company performs initial and ongoing analysis and review of the various techniques utilized in determining fair value to ensure that the valuation approaches utilized are appropriate and consistently applied, and that the various assumptions are reasonable. The Company also performs ongoing analysis and review of the information and prices received from third parties to ensure that the prices represent a reasonable estimate of the fair value and to monitor controls around pricing, which includes quantitative and qualitative analysis and is overseen by the Company's investment and accounting personnel. Examples of procedures performed include, but are not limited to, review of pricing trends, comparison of a sample of executed prices of securities sold to the fair value estimates, comparison of fair value estimates to management's knowledge of the current market, and ongoing confirmation that third party pricing services use, wherever possible, market-based parameters for valuation. In addition, the Company utilizes both internal and external cash flow models to analyze the reasonableness of fair values utilizing credit spread and other market assumptions, where appropriate. As a result of the analysis, if the Company determines there is a more appropriate fair value based upon the available market data, the price received from the third party is adjusted accordingly. The Company also determines if the inputs used in estimated fair values received from pricing services are observable by assessing whether these inputs can be corroborated by observable market data.

The fair value of embedded derivative liabilities, including those calculated by third parties, are monitored through the use of attribution reports to quantify the effect of underlying sources of fair value change, including capital market inputs based on policyholder account values, interest rates and short-term and long-term implied volatilities, from period to period. Actuarial assumptions are based on experience studies performed internally in combination with available industry information and are reviewed on a periodic basis, at least annually.

For assets and liabilities reported at fair value, the Company utilizes when available, fair values based on quoted prices in active markets that are regularly and readily obtainable. Generally, these are very liquid investments and the valuation does not require management judgment. When quoted prices in active markets are not available, fair value is based on market valuation techniques, market comparable pricing and the income approach. The use of different techniques, assumptions and inputs may have a material effect on the estimated fair values of the Company's securities holdings. For the quarters ended September 30, 2012 and 2011, the application of market standard valuation techniques applied to similar assets and liabilities has been consistent.

The methods and assumptions the Company uses to estimate the fair value of assets and liabilities measured at fair value on a recurring basis are summarized below.

Fixed Maturity Securities – The fair values of the Company's publicly-traded fixed maturity securities are generally based on prices obtained from independent pricing services. Prices from pricing services are sourced from multiple vendors, and a vendor hierarchy is maintained by asset type based on historical pricing experience and vendor expertise. The Company generally receives prices from multiple pricing services for each security, but ultimately uses the price from the pricing service highest in the vendor hierarchy based on the respective asset type. To validate reasonableness, prices are periodically reviewed as explained above. Consistent with the fair value hierarchy described above, securities with validated quotes from pricing services are generally reflected within Level 2, as they are primarily based on observable pricing for similar assets and/or other market observable inputs. If the pricing information received from third party pricing services is not reflective of market activity or other inputs observable in the market, the Company may challenge the price through a formal process with the pricing service.

If the Company ultimately concludes that pricing information received from the independent pricing service is not reflective of market activity, non-binding broker quotes are used, if available. If the Company concludes the values from both pricing services and brokers are not reflective of market activity, it may override the information from the pricing service or broker with an internally developed valuation; however, this occurs infrequently. Internally developed valuations or non-binding broker quotes are also used to determine fair value in circumstances where vendor pricing is not available. These estimates may use significant unobservable inputs, which reflect the Company's assumptions about the inputs that market participants would use in pricing the asset. Circumstances where observable market data are not available may include events such as market illiquidity and credit events related to the security. Pricing service overrides, internally developed valuations and non-binding broker quotes are generally based on significant unobservable inputs and are reflected as Level 3 in the valuation hierarchy.

The inputs used in the valuation of corporate and government securities include, but are not limited to standard market observable inputs which are derived from, or corroborated by, market observable data including market yield curve, duration, call provisions, observable prices and spreads for similar publicly traded or privately traded issues that incorporate the credit quality and industry sector of the issuer. For structured securities, valuation is based primarily on matrix pricing or other similar techniques using standard market inputs including spreads for actively traded securities, spreads off benchmark yields, expected prepayment speeds and volumes, current and forecasted loss severity, rating, weighted average coupon, weighted average maturity, average delinquency rates, geographic region, debt-service coverage ratios and issuance-specific information including, but not limited to: collateral type, payment terms of the underlying assets, payment priority within the tranche, structure of the security, deal performance and vintage of loans.

When observable inputs are not available, the market standard valuation techniques for determining the estimated fair value of certain types of securities that trade infrequently, and therefore have little or no price transparency, rely on inputs that are significant to the estimated fair value that are not observable in the market or cannot be derived principally from or corroborated by observable market data. These unobservable inputs can be based in large part on management judgment or estimation, and cannot be supported by reference to market activity. Even though unobservable, these inputs are based on assumptions deemed appropriate given the circumstances and are believed to be consistent with what other market participants would use when pricing such securities.

The fair values of private placement securities are primarily determined using a discounted cash flow model. In certain cases these models primarily use observable inputs with a discount rate based upon the average of spread surveys collected from private market intermediaries who are active in both primary and secondary transactions, taking into account, among other factors, the credit quality and industry sector of the issuer and the reduced liquidity associated with private placements. Generally, these securities have been reflected within Level 3. For certain private fixed maturities, the discounted cash flow model may also incorporate significant unobservable inputs, which reflect the Company's own assumptions about the inputs market participants would use in pricing the security. To the extent management determines that such unobservable inputs are not significant to the price of a security, a Level 2 classification is made. Otherwise, a Level 3 classification is used.

Embedded Derivatives – For embedded derivative liabilities associated with the underlying products in reinsurance treaties, primarily equity-indexed and variable annuity treaties, the Company utilizes a discounted cash flow model, which includes an estimate of future equity option purchases and an adjustment for the Company's own credit risk. The variable annuity embedded derivative calculations are performed by third parties based on methodology and input assumptions provided by the Company. To validate the reasonableness of the resulting fair value, the Company's internal actuaries perform reviews and analytical procedures on the results. The capital market inputs to the model, such as equity indexes, short-term equity volatility and interest rates, are generally observable. The valuation also requires certain significant inputs, which are generally not observable and accordingly, the valuation is considered Level 3 in the fair value hierarchy, see “Level 3 Measurements and Transfers” below for a description.

The fair value of embedded derivatives associated with funds withheld reinsurance treaties is determined based upon a total return swap technique with reference to the fair value of the investments held by the ceding company that support the Company's funds withheld at interest asset with an adjustment for the Company's own credit risk. The fair value of the underlying assets is generally based on market observable inputs using industry standard valuation techniques. The valuation also requires certain significant inputs, which are generally not observable and accordingly, the valuation is considered Level 3 in the fair value hierarchy, see “Level 3 Measurements and Transfers” below for a description.

Company's Own Credit Risk – The Company uses a structural default risk model to estimate its own credit risk. The input assumptions are a combination of externally derived and published values (default threshold and uncertainty), market inputs (interest rate, Company equity price per share, Company debt per share, Company equity price volatility) and insurance industry data (Loss Given Default), adjusted for market recoverability.

Cash Equivalents and Short-Term Investments – Cash equivalents and short-term investments include money market instruments, commercial paper and other highly liquid debt instruments. Money market instruments are generally valued using unadjusted quoted prices in active markets that are accessible for identical assets and are primarily classified as Level 1. The fair value of certain other short-term investments, such as floating rate notes and bonds with original maturities less then twelve months, are based upon other market observable data and are typically classified as Level 2. However, certain short-term investments may incorporate significant unobservable inputs resulting in a Level 3 classification. Various time deposits carried as cash equivalents or short-term investments are not measured at estimated fair value and therefore are excluded from the tables presented.

Equity Securities – Equity securities consist principally of exchange-traded funds and preferred stock of publicly and privately traded companies. The fair values of publicly traded equity securities are primarily based on quoted market prices in active markets and are classified within Level 1 in the fair value hierarchy. The fair values of preferred equity securities, for which quoted market prices are not readily available, are based on prices obtained from independent pricing services and these securities are generally classified within Level 2 in the fair value hierarchy.

Derivative Assets and Derivative Liabilities – All of the derivative instruments utilized by the Company are classified within Level 2 on the fair value hierarchy. These derivatives are principally valued using an income approach. Valuations of interest rate contracts, non-option-based, are based on present value techniques, which utilize significant inputs that may include the swap yield curve, LIBOR basis curves, and repurchase rates. Valuations of foreign currency contracts, non-option-based, are based on present value techniques, which utilize significant inputs that may include the swap yield curve, LIBOR basis curves, currency spot rates, and cross currency basis curves. Valuations of credit contracts, non-option-based, are based on present value techniques, which utilize significant inputs that may include the swap yield curve, credit curves, and recovery rates. Valuations of equity market contracts, non-option-based, are based on present value techniques, which utilize significant inputs that may include the swap yield curve, spot equity index levels, and dividend yield curves. Valuations of equity market contracts, option-based, are based on option pricing models, which utilize significant inputs that may include the swap yield curve, spot equity index levels, dividend yield curves, and equity volatility. The Company does not currently have derivatives included in Level 3 measurement.

Level 3 Measurements and Transfers

As of September 30, 2012 and December 31, 2011, respectively, the Company classified approximately 9.1% and 8.5% of its fixed maturity securities in the Level 3 category. These securities primarily consist of private placement corporate securities with inactive trading markets. Additionally, the Company has included asset-backed securities with sub-prime exposure and mortgage-backed securities with below investment grade ratings in the Level 3 category due to market uncertainty associated with these securities and the Company's utilization of information from third parties for the valuation of these securities.

The significant unobservable inputs used in the fair value measurement of the Company's corporate, sovereign, government-backed, other political subdivision and short-term securities are probability of default, liquidity premium, subordination premium and loss severity in the event of default. Significant increases (decreases) in any of those inputs in isolation would result in a significantly lower (higher) fair value measurement. Generally, a change in the assumption used for the probability of default is accompanied by a directionally similar change in the assumptions used for the liquidity premium, subordination premium and loss severity. For securities with a fair value derived using the market comparable pricing valuation technique, liquidity premium is the only significant unobservable input.

The significant unobservable inputs used in the fair value measurement of the Company's asset and mortgage-backed securities are prepayment rates, probability of default, liquidity premium and loss severity in the event of default. Significant increases (decreases) in any of those inputs in isolation would result in a significantly lower (higher) fair value measurement. Generally, a change in the assumption used for the probability of default is accompanied by a directionally similar change in the assumption used for the liquidity premium and loss severity and a directionally opposite change in the assumption used for prepayment rates.

The actuarial assumptions used in the fair value of embedded derivatives which include assumptions related to lapses, withdrawals, and mortality, are based on experience studies performed by the Company in combination with available industry information and are reviewed on a periodic basis, at least annually. The significant unobservable inputs used in the fair value measurement of embedded derivatives are assumptions associated with policyholder experience and selected capital market assumptions for equity-indexed and variable annuities. The selected capital market assumptions, which include long-term implied volatilities, are based on observable historical information. Changes in interest rates, equity indices, equity volatility, the Company's own credit risk, and actuarial assumptions regarding policyholder experience may result in significant fluctuations in the value of embedded derivatives.

Fair value measurements associated with funds withheld reinsurance treaties are generally not materially sensitive to changes in unobservable inputs associated with policyholder experience. The primary drivers of change in these fair values are related to movements of credit spreads, which are generally observable. Increases (decreases) in market credit spreads tend to decrease (increase) the fair value of embedded derivatives. Increases (decreases) in the own credit assumption tend to decrease (increase) the magnitude of the fair value of embedded derivatives.

Fair value measurements associated with variable annuity treaties are sensitive to both capital markets inputs and policyholder experience inputs. Increases (decreases) in lapse rates tend to decrease (increase) the value of the embedded derivatives associated with variable annuity treaties. Increases (decreases) in the long-term volatility assumption tend to increase (decrease) the fair value of embedded derivatives. Increases (decreases) in the own credit assumption tend to decrease (increase) the magnitude of the fair value of embedded derivatives.

The following table presents quantitative information about significant unobservable inputs used in Level 3 fair value measurements that are developed by the Company as of September 30, 2012 (dollars in thousands):

September 30, 2012:				Valuation	Unobservable	Range
		Fair Value		Technique(s)	Input	(Weighted Average)
Assets:
	State and political subdivision securities	$	15,186	Market comparable securities	Liquidity premium	1%

	Corporate securities		431,187	Market comparable securities	Liquidity premium	0-2% (1%)

	Short-term investments		22,061	Market comparable securities	Liquidity premium	1%

	Funds withheld at interest- embedded derivatives		(320,501)	Total return swap	Mortality	0-100% (1%)
					Lapse	0-35% (6%)
					Withdrawal	0-5% (3%)
					Own Credit	0-1% (1%)
					Crediting rate	2-4% (3%)

	Reinsurance ceded receivable- embedded derivatives		4,192	Discounted cash flow	Mortality	0-100% (8%)
					Lapse	14-16% (15%)





September 30, 2012 (continued):				Valuation	Unobservable	Range
		Fair Value		Technique(s)	Input	(Weighted Average)
Liabilities:
	Interest sensitive contract liabilities- embedded derivatives- indexed annuities		751,112	Discounted cash flow	Mortality	0-100% (1%)
					Lapse	0-35% (6%)
					Withdrawal	0-5% (3%)
					Option budget projection	2-4% (3%)


	Interest sensitive contract liabilities- embedded derivatives- variable annuities		202,692	Discounted cash flow	Mortality	0-100% (2%)
					Lapse	0-25% (5%)
					Withdrawal	0-7% (3%)
					Own Credit	0-1% (1%)
					Long-term volatility	0-27% (16%)

The Company recognizes transfers of financial instruments into and out of levels within the fair value hierarchy at the beginning of the quarter in which the actual event or change in circumstances that caused the transfer occurs. Financial instruments transferred into Level 3 are due to a lack of observable market transactions and price information. Financial instruments are transferred out of Level 3 when circumstances change such that significant inputs can be corroborated with market observable data. This may be due to a significant increase in market activity for the financial instrument, a specific event, one or more significant input(s) becoming observable. Transfers out of Level 3 were primarily the result of the Company using observable pricing information or a third party pricing quotation that appropriately reflects the fair value of those financial instruments, without the need for adjustment based on the Company's own assumptions regarding the characteristics of a specific financial instrument or the current liquidity in the market. In addition, certain transfers out of Level 3 were also due to increased observations of market transactions and price information for those financial instruments.

Transfers from Level 1 to Level 2 are due to the lack of observable market data when pricing these securities, while transfers from Level 2 to Level 1 are due to an increase in the availability of market observable data in an active market. The following tables present the transfers between Level 1 and Level 2 during the three and nine months ended September 30, 2012 and 2011 (dollars in thousands):

			Three months ended September 30,
			2012				2011
			Transfers from		Transfers from		Transfers from		Transfers from
			Level 1 to		Level 2 to		Level 1 to		Level 2 to
			Level 2		Level 1		Level 2		Level 1
Fixed maturity securities - available-for-sale:
	Corporate securities		$	11,777	$	--	$	--	$	--
	State and political subdivision securities			--		--		--		5,485
	Other foreign government, supranational and foreign
		government-sponsored enterprises		2,163		--		1,474		--
Total fixed maturity securities				13,940		--		1,474		5,485
	Non-redeemable preferred stock			9,646		11,068		--		--
Total			$	23,586	$	11,068	$	1,474	$	5,485

			Nine months ended September 30,
			2012				2011
			Transfers from		Transfers from		Transfers from		Transfers from
			Level 1 to		Level 2 to		Level 1 to		Level 2 to
			Level 2		Level 1		Level 2		Level 1
Fixed maturity securities - available-for-sale:
	Corporate securities		$	14,773	$	4	$	--	$	--
	U.S. government and agencies securities			--		11,152		23,065		--
	State and political subdivision securities			12,794		--		--		5,485
	Other foreign government, supranational and foreign
		government-sponsored enterprises		3,222		--		1,845		--
Total fixed maturity securities				30,789		11,156		24,910		5,485
	Non-redeemable preferred stock			9,646		11,068		--		--
	Other equity securities			--		--		2,290		--
Total			$	40,435	$	22,224	$	27,200	$	5,485

The tables below provide a summary of the changes in fair value of Level 3 assets and liabilities for the three and nine months ended September 30, 2012, as well as the portion of gains or losses included in income for the three and nine months ended September 30, 2012 attributable to unrealized gains or losses related to those assets and liabilities still held at September 30, 2012 (dollars in thousands):

For the three months ended September 30, 2012:				Fixed maturity securities - available-for-sale
							Residential				Commercial
							mortgage-				mortgage-
				Corporate			backed		Asset-backed		backed
				securities			securities		securities		securities
Fair value, beginning of period				$	994,014	$	49,591	$	128,358	$	115,733
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(4,846)		114		54		446
			Investment related gains (losses), net		(1,059)		(187)		(3)		(2,088)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			22,280		479		7,658		6,188
	Purchases⁽¹⁾				556,031		31,020		62,109		21,092
	Sales⁽¹⁾				(18,548)		(24,566)		(3,725)		--
	Settlements⁽¹⁾				(31,448)		(1,437)		(4,407)		(511)
	Transfers into Level 3				1,293		1,804		5,006		26,208
	Transfers out of Level 3				(10,444)		(7,459)		(5,460)		--
Fair value, end of period				$	1,507,273	$	49,359	$	189,590	$	167,068

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(4,861)	$	28	$	40	$	446
			Investment related gains (losses), net		(223)		--		(242)		(2,088)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the three months ended September 30, 2012 (continued):				Fixed maturity securities - available-for-sale
				U.S.		State		Funds withheld
				Government		and political		at interest-
				and agencies		subdivision		embedded		Short-term
				securities		securities		derivatives		investments
Fair value, beginning of period				$	--	$	14,486	$	(375,337)	$	--
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(59)		1		--		(7)
			Investment related gains (losses), net		--		(4)		54,836		--
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			(15)		3,433		--		54
	Purchases⁽¹⁾				4,640		--		--		22,014
	Sales⁽¹⁾				--		--		--		--
	Settlements⁽¹⁾				--		(116)		--		--
	Transfers into Level 3				--		29,150		--		--
	Transfers out of Level 3				--		--		--		--
Fair value, end of period				$	4,566	$	46,950	$	(320,501)	$	22,061

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(59)	$	1	$	--	$	(7)
			Investment related gains (losses), net		--		--		54,836		--
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the three months ended September 30, 2012 (continued):						Reinsurance		Interest sensitive
				Other invested		ceded receivable-		contract liabilities
				assets- other		embedded		embedded
				equity securities		derivatives		derivatives
Fair value, beginning of period				$	3,227	$	4,416	$	(938,927)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		--		--		--
			Investment related gains (losses), net		--		--		2,579
			Claims & other policy benefits		--		--		213
			Interest credited		--		--		(33,980)
			Policy acquisition costs and other insurance expenses		--		(124)		--
		Included in other comprehensive income			--		--		--
	Purchases⁽¹⁾				--		--		(8,502)
	Sales⁽¹⁾				--		--		--
	Settlements⁽¹⁾				--		(100)		24,813
	Transfers into Level 3				--		--		--
	Transfers out of Level 3				(3,227)		--		--
Fair value, end of period				$	--	$	4,192	$	(953,804)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	--	$	--	$	--
			Investment related gains (losses), net		--		--		427
			Claims & other policy benefits		--		--		(23)
			Interest credited		--		--		(58,621)
			Policy acquisition costs and other insurance expenses		--		13		--

(1)			The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.

For the nine months ended September 30, 2012:				Fixed maturity securities - available-for-sale
							Residential				Commercial
							mortgage-				mortgage-
				Corporate			backed		Asset-backed		backed
				securities			securities		securities		securities
Fair value, beginning of period				$	974,169	$	81,655	$	193,492	$	115,976
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(4,738)		413		497		1,579
			Investment related gains (losses), net		(2,339)		(223)		(510)		(13,771)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			31,940		1,886		16,135		17,436
	Purchases⁽¹⁾				645,466		31,602		64,121		21,092
	Sales⁽¹⁾				(45,833)		(40,790)		(11,627)		(1,552)
	Settlements⁽¹⁾				(84,819)		(5,139)		(11,510)		(568)
	Transfers into Level 3				18,738		8,979		6,086		37,054
	Transfers out of Level 3				(25,311)		(29,024)		(67,094)		(10,178)
Fair value, end of period				$	1,507,273	$	49,359	$	189,590	$	167,068

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(4,747)	$	283	$	440	$	1,579
			Investment related gains (losses), net		(1,329)		(269)		(849)		(14,163)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the nine months ended September 30, 2012 (continued):				Fixed maturity securities - available-for-sale
				U.S.		State		Funds withheld
				Government		and political		at interest -
				and agencies		subdivision		embedded		Short-term
				securities		securities		derivatives		investments
Fair value, beginning of period				$	--	$	10,373	$	(361,456)	$	--
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(59)		5		--		(7)
			Investment related gains (losses), net		--		(12)		40,955		--
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			(15)		4,666		--		54
	Purchases⁽¹⁾				4,640		--		--		22,014
	Sales⁽¹⁾				--		--		--		--
	Settlements⁽¹⁾				--		(162)		--		--
	Transfers into Level 3				--		37,588		--		--
	Transfers out of Level 3				--		(5,508)		--		--
Fair value, end of period				$	4,566	$	46,950	$	(320,501)	$	22,061

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(59)	$	5	$	--	$	(7)
			Investment related gains (losses), net		--		--		40,955		--
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the nine months ended September 30, 2012 (continued):						Reinsurance		Interest sensitive
				Other invested		ceded receivable-		contract liabilities
				assets- other		embedded		embedded
				equity securities		derivatives		derivatives
Fair value, beginning of period				$	11,489	$	4,945	$	(1,028,241)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		--		--		--
			Investment related gains (losses), net		1,098		--		74,025
			Claims & other policy benefits		--		--		770
			Interest credited		--		--		(27,348)
			Policy acquisition costs and other insurance expenses		--		(449)		--
		Included in other comprehensive income			843		--		--
	Purchases⁽¹⁾				108		--		(48,199)
	Sales⁽¹⁾				(3,788)		--		--
	Settlements⁽¹⁾				--		(304)		75,189
	Transfers into Level 3				--		--		--
	Transfers out of Level 3				(9,750)		--		--
Fair value, end of period				$	--	$	4,192	$	(953,804)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	--	$	--	$	--
			Investment related gains (losses), net		(183)		--		68,315
			Claims & other policy benefits		--		--		56
			Interest credited		--		--		(102,017)
			Policy acquisition costs and other insurance expenses		--		(33)		--

(1)			The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.

The tables below provide a summary of the changes in fair value of Level 3 assets and liabilities for the three and nine months ended September 30, 2011, as well as the portion of gains or losses included in income for the three and nine months ended September 30, 2011 attributable to unrealized gains or losses related to those assets and liabilities still held at September 30, 2011 (dollars in thousands)

For the three months ended September 30, 2011:				Fixed maturity securities - available-for-sale
							Residential				Commercial
							mortgage-				mortgage-
				Corporate			backed		Asset-backed		backed
				securities			securities		securities		securities
Fair value, beginning of period				$	977,560	$	103,430	$	188,773	$	150,765
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		38		181		271		505
			Investment related gains (losses), net		591		(1,059)		(6,760)		(6,548)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			7,725		44		(1,827)		(14,717)
	Purchases ⁽¹⁾				59,905		454		7,449		--
	Sales⁽¹⁾				(14,415)		--		(5,547)		--
	Settlements⁽¹⁾				(23,677)		(1,447)		(3,172)		--
	Transfers into Level 3				15,947		2,248		10,773		--
	Transfers out of Level 3				(65,855)		(36,941)		(27,417)		(17,026)
Fair value, end of period				$	957,819	$	66,910	$	162,543	$	112,979

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	32	$	181	$	246	$	504
			Investment related gains (losses), net		(708)		(131)		(1,052)		(6,548)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the three months ended September 30, 2011 (continued):				Fixed maturity securities -
				available-for-sale
						Other foreign
				State		government,		Funds withheld
				and political		supranational and		at interest-
				subdivision		foreign government-		embedded
				securities		sponsored enterprises		derivatives
Fair value, beginning of period				$	22,932	$	4,074	$	(173,160)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(5)		--		--
			Investment related gains (losses), net		(4)		--		(102,574)
			Claims & other policy benefits		--		--		--
			Interest credited		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--
		Included in other comprehensive income			225		--		--
	Purchases⁽¹⁾				--		--		--
	Sales⁽¹⁾				--		--		--
	Settlements⁽¹⁾				(22)		--		--
	Transfers out of Level 3				(13,736)		(4,074)		--
Fair value, end of period				$	9,390	$	--	$	(275,734)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(5)	$	--	$	--
			Investment related gains (losses), net		--		--		(102,575)
			Claims & other policy benefits		--		--		--
			Interest credited		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--

For the three months ended September 30, 2011 (continued):						Reinsurance		Interest sensitive
				Other invested		ceded receivable-		contract liabilities
				assets- other		embedded		embedded
				equity securities		derivatives		derivatives
Fair value, beginning of period				$	11,001	$	86,029	$	(804,171)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		--		--		--
			Investment related gains (losses), net		--		--		(260,239)
			Claims & other policy benefits		--		--		(1,600)
			Interest credited		--		--		19,598
			Policy acquisition costs and other insurance expenses		--		(3,443)		--
		Included in other comprehensive income			195		--		--
	Purchases⁽¹⁾				--		2,081		(16,063)
	Sales⁽¹⁾				(633)		--		--
	Settlements⁽¹⁾				--		(3,123)		20,862
	Transfers into Level 3				--		--		--
	Transfers out of Level 3				--		--		--
Fair value, end of period				$	10,563	$	81,544	$	(1,041,613)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	--	$	--	$	--
			Investment related gains (losses), net		--		--		(262,552)
			Claims & other policy benefits		--		--		(1,135)
			Interest credited		--		--		(1,265)
			Policy acquisition costs and other insurance expenses		--		(592)		--

(1)			The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.

For the nine months ended September 30, 2011:				Fixed maturity securities - available-for-sale
							Residential				Commercial
							mortgage-				mortgage-
				Corporate			backed		Asset-backed		backed
				securities			securities		securities		securities
Fair value, beginning of period				$	872,179	$	183,291	$	228,558	$	147,556
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		200		674		1,175		1,673
			Investment related gains (losses), net		1,332		(1,460)		(9,588)		(9,280)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			17,174		4,528		5,586		12,599
	Purchases⁽¹⁾				257,713		6,236		37,328		7,684
	Sales⁽¹⁾				(35,487)		(20,701)		(27,844)		--
	Settlements⁽¹⁾				(99,407)		(13,812)		(20,013)		(3,410)
	Transfers into Level 3				76,627		7,250		32,274		66,854
	Transfers out of Level 3				(132,512)		(99,096)		(84,933)		(110,697)
Fair value, end of period				$	957,819	$	66,910	$	162,543	$	112,979

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	162	$	655	$	1,084	$	1,660
			Investment related gains (losses), net		(1,223)		(175)		(4,603)		(9,292)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the nine months ended September 30, 2011 (continued):				Fixed maturity securities -
				available-for-sale
						Other foreign
				State		government,		Funds withheld
				and political		supranational and		at interest-
				subdivision		foreign government-		embedded
				securities		sponsored enterprises		derivatives
Fair value, beginning of period				$	6,983	$	6,736	$	(274,220)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		365		1		--
			Investment related gains (losses), net		(11)		--		(1,514)
			Claims & other policy benefits		--		--		--
			Interest credited		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--
		Included in other comprehensive income			3,839		8		--
	Purchases⁽¹⁾				871		--		--
	Sales⁽¹⁾				--		(161)		--
	Settlements⁽¹⁾				(65)		--		--
	Transfers into Level 3				48,469		21		--
	Transfers out of Level 3				(51,061)		(6,605)		--
Fair value, end of period				$	9,390	$	--	$	(275,734)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	365	$	(36)	$	--
			Investment related gains (losses), net		--		--		(1,514)
			Claims & other policy benefits		--		--		--
			Interest credited		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--

For the nine months ended September 30, 2011 (continued):				Other invested				Reinsurance		Interest sensitive
				assets- non-		Other invested		ceded receivable-		contract liabilities
				redeemable		assets- other		embedded		embedded
				preferred stock		equity securities		derivatives		derivatives
Fair value, beginning of period				$	420	$	16,416	$	75,431	$	(721,485)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		--		--		--		--
			Investment related gains (losses), net		--		3,504		--		(253,445)
			Claims & other policy benefits		--		--		--		(1,283)
			Interest credited		--		--		--		(66,519)
			Policy acquisition costs and other insurance expenses		--		--		8,869		--
		Included in other comprehensive income			--		(4,792)		--		--
	Purchases⁽¹⁾				--		--		6,345		(57,283)
	Sales⁽¹⁾				(420)		(4,565)		--		--
	Settlements⁽¹⁾				--		--		(9,101)		58,402
	Transfers into Level 3				--		--		--		--
	Transfers out of Level 3				--		--		--		--
Fair value, end of period				$	--	$	10,563	$	81,544	$	(1,041,613)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	--	$	--	$	--	$	--
			Investment related gains (losses), net		--		--		--		(255,758)
			Claims & other policy benefits		--		--		--		(1,151)
			Interest credited		--		--		--		(124,920)
			Policy acquisition costs and other insurance expenses		--		--		17,892		--

(1)			The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.

Nonrecurring Fair Value Measurements

Certain assets and liabilities are measured at fair value on a nonrecurring basis. Nonrecurring fair value adjustments on impaired commercial mortgage loans resulted in $1.6 million and $4.4 million of net losses being recorded for the three and nine months ended September 30, 2012, respectively. The carrying value of these impaired mortgage loans as of September 30, 2012 was $23.5 million. Nonrecurring fair value adjustments on impaired commercial mortgage loans resulted in $1.9 million and $1.5 million of net losses being recorded for the three and nine months ended September 30, 2011, respectively. The carrying value of the 2011 impaired mortgage loans as of September 30, 2011 was $21.9 million, based on the fair value of the underlying real estate collateral. Subsequent improvements in estimated fair value on previously impaired loans recorded through a reduction in the previously established valuation allowance are reported as gains. Nonrecurring fair value adjustments on mortgage loans are based on the fair value of underlying collateral or discounted cash flows and were classified as Level 3 in the fair value hierarchy.

Fair Value of Financial Instruments

The Company is required by general accounting principles for Fair Value Measurements and Disclosures to disclose the fair value of certain financial instruments including those that are not carried at fair value. The following table presents the carrying amounts and estimated fair values of the Company's financial instruments, which were not measured at fair value on a recurring basis, at September 30, 2012 and December 31, 2011 (dollars in thousands):

September 30, 2012					Estimated Fair	Fair Value Measurement Using:
			Carrying Value		Value		Level 1	Level 2		Level 3
Assets:
	Mortgage loans on real estate	$	2,256,881	$	2,383,088	$	--	$	--	$	2,383,088
	Policy loans		1,243,498		1,243,498		--		1,243,498		--
	Funds withheld at interest⁽¹⁾		5,929,140		6,399,803		--		--		6,399,803
	Cash and cash equivalents⁽²⁾		578,320		578,320		578,320		--		--
	Short-term investments⁽²⁾		46,233		46,233		46,233		--		--
	Other invested assets⁽²⁾		604,495		629,905		--		18,900		611,005
	Accrued investment income		250,048		250,048		--		250,048		--
Liabilities:
	Interest-sensitive contract liabilities⁽¹⁾	$	11,404,136	$	11,597,198	$	--	$	--	$	11,597,198
	Long-term debt		1,815,111		1,958,231		--		--		1,958,231
	Collateral finance facility		651,968		443,020		--		--		443,020

December 31, 2011:						Estimated Fair
				Carrying Value	Value
Assets:
	Mortgage loans on real estate		$	991,731	$	1,081,924
	Policy loans			1,260,400		1,260,400
	Funds withheld at interest⁽¹⁾			5,771,880		6,041,984
	Cash and cash equivalents⁽²⁾			458,348		458,348
	Short-term investments⁽²⁾			41,895		41,895
	Other invested assets⁽²⁾			500,681		503,293
	Accrued investment income			144,334		144,334
Liabilities:
	Interest-sensitive contract liabilities⁽¹⁾		$	6,203,001	$	6,307,779
	Long-term debt			1,414,688		1,462,329
	Collateral finance facility			652,032		390,900

(1)		Carrying values presented herein differ from those presented in the condensed consolidated balance sheets because certain items within the respective financial statement caption are embedded derivatives and are measured at fair value on a recurring basis.

(2)		Carrying values presented herein differ from those presented in the condensed consolidated balance sheets because certain items within the respective financial statement caption are measured at fair value on a recurring basis.

Mortgage Loans on Real Estate – The fair value of mortgage loans on real estate is estimated by discounting cash flows, both principal and interest, using current interest rates for mortgage loans with similar credit ratings and similar remaining maturities. As such, inputs include current treasury yields and spreads, which are based on the credit rating and average life of the loan, corresponding to the market spreads. The valuation of mortgage loans on real estate is considered Level 3 in the fair value hierarchy.

Policy Loans – Policy loans typically carry an interest rate that is adjusted annually based on an observable market index and therefore carrying value approximates fair value. The valuation of policy loans is considered Level 2 in the fair value hierarchy.

Funds Withheld at Interest – The carrying value of funds withheld at interest approximates fair value except where the funds withheld are specifically identified in the agreement. When funds withheld are specifically identified in the agreement, the fair value is based on the fair value of the underlying assets which are held by the ceding company. Ceding companies use a variety of sources and pricing methodologies, which are not transparent to the Company and may include significant unobservable inputs, to value the securities that are held in distinct portfolios, therefore the valuation of these funds withheld assets are considered Level 3 in the fair value hierarchy.

Cash and Cash Equivalents and Short-term Investments – The carrying values of cash and cash equivalents and short-term investments approximates fair values due to the short-term maturities of these instruments and are considered Level 1 in the fair value hierarchy.

Other Invested Assets – This primarily includes limited partnership interests accounted for using the cost method, structured loans and Federal Home Loan Bank of Des Moines common stock. The fair value of limited partnerships and other investments accounted for using the cost method is determined using the net asset values of the Company's ownership interest as provided in the financial statements of the investees. The valuation of these investments is considered Level 3 in the fair value hierarchy due to the limited activity and price transparency inherent in the market for such investments. The fair value of structured loans is estimated based on a discounted cash flow analysis using discount rates applicable to each structured loan, this is considered Level 3 in the fair value hierarchy. The fair value of the Company's common stock investment in the Federal Home Loan Bank of Des Moines is considered to be the carrying value and it is considered Level 2 in the fair value hierarchy.

Accrued Investment Income – The carrying value for accrued investment income approximates fair value as there are no adjustments made to the carrying value. This is considered Level 2 in the fair value hierarchy.

Interest-Sensitive Contract Liabilities – The carrying and fair values of interest-sensitive contract liabilities reflected in the table above exclude contracts with significant mortality risk. The fair value of the Company's interest-sensitive contract liabilities and related reinsurance ceded receivables utilizes a market standard technique with both capital market inputs and policyholder behavior assumptions, as well as cash values adjusted for recapture fees. The capital market inputs to the model, such as interest rates, are generally observable. Policyholder behavior assumptions are generally not observable and may require use of significant management judgment. The valuation of interest-sensitive contract liabilities is considered Level 3 in the fair value hierarchy.

Long-term Debt and Collateral Finance Facility – The fair value of the Company's long-term debt and collateral finance facility is generally estimated by discounting future cash flows using market rates currently available for debt with similar remaining maturities and reflecting the credit risk of the Company, including inputs when available, from actively traded debt of the Company or other companies with similar credit quality. The valuation of long-term debt and collateral finance facility are generally obtained from brokers and are considered Level 3 in the fair value hierarchy.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44A, 44B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Number 107
-Paragraph 15C, 15D
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
-Paragraph 15A
-Subparagraph a-d
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Segment Information

9 Months Ended

Sep. 30, 2012

Segment Information Statement [Abstract]

Segment Information

7. Segment Information

The accounting policies of the segments are the same as those described in the Summary of Significant Accounting Policies in Note 2 of the consolidated financial statements accompanying the DAC Current Report. The Company measures segment performance primarily based on profit or loss from operations before income taxes. There are no intersegment reinsurance transactions and the Company does not have any material long-lived assets. Investment income is allocated to the segments based upon average assets and related capital levels deemed appropriate to support the segment business volumes.

The Company allocates capital to its segments based on an internally developed economic capital model, the purpose of which is to measure the risk in the business and to provide a basis upon which capital is deployed. The economic capital model considers the unique and specific nature of the risks inherent in the Company's businesses. As a result of the economic capital allocation process, a portion of investment income and investment related gains and losses are attributed to the segments based on the level of allocated capital. In addition, the segments are charged for excess capital utilized above the allocated economic capital basis. This charge is included in policy acquisition costs and other insurance expenses. Information related to total revenues, income (loss) before income taxes, and total assets of the Company for each reportable segment are summarized below (dollars in thousands).

	Three months ended September 30,				Nine months ended September 30,
Total revenues:	2012		2011		2012		2011
U.S.	$	1,446,834	$	1,017,413	$	4,141,202	$	3,625,956
Canada		287,629		249,924		839,491		780,549
Europe & South Africa		323,225		300,492		955,505		877,880
Asia Pacific		364,516		358,115		1,101,934		1,044,103
Corporate and Other		26,877		68,963		79,677		152,831
Total	$	2,449,081	$	1,994,907	$	7,117,809	$	6,481,319

	Three months ended September 30,				Nine months ended September 30,
Income (loss) before income taxes:	2012		2011		2012		2011
U.S.	$	156,678	$	31,091	$	390,009	$	292,937
Canada		37,520		43,711		127,613		117,712
Europe & South Africa		32,166		12,029		58,363		47,089
Asia Pacific		(16,483)		25,644		39,443		51,946
Corporate and Other		(8,402)		43,921		(17,294)		60,636
Total	$	201,479	$	156,396	$	598,134	$	570,320


Total Assets:	September 30, 2012		December 31, 2011
U.S.	$	25,080,586	$	17,965,559
Canada		3,668,540		3,347,771
Europe & South Africa		2,020,324		1,846,751
Asia Pacific		3,010,230		2,902,101
Corporate and Other		6,144,333		5,571,791
Total	$	39,924,013	$	31,633,973

The increase in total assets in the U.S. segment since December 31, 2011 is primarily due to a large fixed annuity transaction executed in the second quarter of 2012.

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 131
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Commitments and Contingent Liabilities

9 Months Ended

Sep. 30, 2012

Commitments and Contingent Liabilities Statement [Abstract]

Commitments and Contingent Liabilities

8. Commitments and Contingent Liabilities

At September 30, 2012, the Company's commitments to fund investments were $169.7 million in limited partnerships, $62.1 million in commercial mortgage loans, $7.5 million in private placement investments and $35.8 million in bank loans, including revolving credit agreements. At December 31, 2011, the Company's commitments to fund investments were $156.6 million in limited partnerships, $33.6 million in commercial mortgage loans and $100.0 million in private placement investments. The Company anticipates that the majority of its current commitments will be invested over the next five years; however, these commitments could become due any time at the request of the counterparties. Investments in limited partnerships and private placements are carried at cost or reported using the equity method and included in other invested assets in the condensed consolidated balance sheets. Bank loans are carried at fair value and included in fixed maturities available-for-sale.

The Company is subject to litigation in the normal course of its business. The Company currently has no material litigation. A legal reserve is established when the Company is notified of an arbitration demand or litigation or is notified that an arbitration demand or litigation is imminent, it is probable that the Company will incur a loss as a result and the amount of the probable loss is reasonably capable of being estimated.

The Company has obtained bank letters of credit in favor of various affiliated and unaffiliated insurance companies from which the Company assumes business. These letters of credit represent guarantees of performance under the reinsurance agreements and allow ceding companies to take statutory reserve credits. Certain of these letters of credit contain financial covenant restrictions. At September 30, 2012 and December 31, 2011, there were approximately $19.2 million and $15.8 million, respectively, of undrawn outstanding bank letters of credit in favor of third parties. Additionally, the Company utilizes letters of credit to secure reserve credits when it retrocedes business to its subsidiaries, including Parkway Reinsurance Company (“Parkway Re”), Rockwood Reinsurance Company (“Rockwood Re”), Timberlake Financial L.L.C. (“Timberlake Financial”), RGA Americas Reinsurance, Ltd. (“RGA Americas”), RGA Reinsurance Company (Barbados) Ltd. (“RGA Barbados”) and RGA Atlantic Reinsurance Company, Ltd. (“RGA Atlantic”). The Company cedes business to its affiliates to help reduce the amount of regulatory capital required in certain jurisdictions such as the U.S. and the United Kingdom. The capital required to support the business in the affiliates reflects more realistic expectations than the original jurisdiction of the business, where capital requirements are often considered to be quite conservative. As of September 30, 2012 and December 31, 2011, $632.9 million and $582.9 million, respectively, in undrawn letters of credit from various banks were outstanding, backing reinsurance between the various subsidiaries of the Company. The banks providing letters of credit to the Company are included on the National Association of Insurance Commissioners (“NAIC”) list of approved banks.

The Company maintains a syndicated revolving credit facility with a four year term and an overall capacity of $850.0 million which is scheduled to mature in December 2015. The Company may borrow cash and obtain letters of credit in multiple currencies under this facility. As of September 30, 2012, the Company had $271.7 million in issued, but undrawn, letters of credit under this facility, which is included in the total above. Applicable letter of credit fees and fees payable for the credit facility depend upon the Company's senior unsecured long-term debt rating. The Company also maintains two other letter of credit facilities with capacities of $200.0 million and $120.0 million which are scheduled to mature in September 2019 and May 2016, respectively. The $200.0 million letter of credit facility is fully utilized and is expected to amortize to zero by 2019. Letter of credit fees for this facility are fixed for the term of the facility. As of September 30, 2012, the Company had $100.0 million in issued, but undrawn, letters of credit under the $120.0 million letter of credit facility. Letter of credit fees for this facility are fixed for the term of the facility. Fees associated with the Company's other letters of credit are not fixed for periods in excess of one year and are based on the Company's ratings and the general availability of these instruments in the marketplace.

RGA has issued guarantees to third parties on behalf of its subsidiaries for the payment of amounts due under certain reinsurance treaties, securities borrowing arrangements and office lease obligations, whereby, if a subsidiary fails to meet an obligation, RGA or one of its other subsidiaries will make a payment to fulfill the obligation. In limited circumstances, treaty guarantees are granted to ceding companies in order to provide them additional security, particularly in cases where RGA's subsidiary is relatively new, unrated, or not of a significant size, relative to the ceding company. Liabilities supported by the treaty guarantees, before consideration for any legally offsetting amounts due from the guaranteed party, totaled $669.4 million and $697.5 million as of September 30, 2012 and December 31, 2011, respectively, and are reflected on the Company's condensed consolidated balance sheets in future policy benefits. As of September 30, 2012 and December 31, 2011, the Company's exposure related to treaty guarantees, net of assets held in trust, was $445.7 million and $467.5 million, respectively. Potential guaranteed amounts of future payments will vary depending on production levels and underwriting results. Guarantees related to borrowed securities provide additional security to third parties should a subsidiary fail to make principal and/or interest payments when due. As of September 30, 2012 and December 31, 2011, RGA's obligation related to borrowed securities guarantees was $237.5 million and $150.0 million, respectively.

Manor Reinsurance, Ltd. (“Manor Re”), a subsidiary of RGA, has obtained $300.0 million of collateral financing through 2020 from an international bank which enabled Manor Re to deposit assets in trust to support statutory reserve credits for an affiliated reinsurance transaction. The bank has recourse to RGA should Manor Re fail to make payments or otherwise not perform its obligations under this financing.

In addition, the Company indemnifies its directors and officers as provided in its charters and by-laws. Since this indemnity generally is not subject to limitation with respect to duration or amount, the Company does not believe that it is possible to determine the maximum potential amount due under this indemnity in the future.

- Definition

The entire disclosure for commitments and contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Interpretation (FIN)
-Number 14
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-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249

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-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 2
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-Name Accounting Standards Codification
-Topic 825
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6449706&loc=d3e16207-108621

+ Details

Income Tax

9 Months Ended

Sep. 30, 2012

Sep. 30, 2011

Income Tax Disclosure [Abstract]

Income Tax Disclosure [Text Block]

9. Income Tax

The Company's provision for income tax expense differed from the amounts computed by applying the U.S. federal income tax statutory rate of 35% to pre-tax income as a result of the following (dollars in thousands):

			Three months ended September 30,				Nine months ended September 30,
			2012		2011		2012		2011
Tax provision at U.S. statutory rate			$	70,517	$	54,739	$	209,347	$	199,612
Increase (decrease) in income taxes resulting from:
	Foreign tax rate differing from U.S. tax rate			(3,174)		(4,382)		(10,063)		(9,583)
	Differences in tax basis in foreign jurisdictions			(5,073)		(1,604)		(7,991)		(4,550)
	Subpart F income			943		--		6,015		--
	Travel and entertainment			111		147		350		396
	Deferred tax valuation allowance			105		--		250		795
	Amounts related to audit contingencies			(747)		984		1,276		4,499
	Change in cash surrender value of insurance policies			(164)		756		(907)		173
	Canadian corporate rate reduction			330		(30,687)		(1,319)		(30,687)
	Prior year tax adjustment			(4,869)		1,778		(6,013)		1,784
	Other, net			(975)		63		(1,715)		415
		Total provision for income taxes	$	57,004	$	21,794	$	189,230	$	162,854

Effective tax rate				28.3%		13.9%		31.6%		28.6%

During the three-month and nine-month periods ended September 30, 2011, the Company recognized an income tax benefit associated with previously enacted reductions in federal statutory tax rates and adjustments to various provincial statutory tax rates in Canada. This 2007 tax rate change enactment included phased in effective dates through 2012. These adjustments in tax rates should have been recognized beginning in 2007, when the Canadian tax legislation was enacted. For the three-month and nine-month periods ended September 30, 2011, the Company recorded a cumulative tax benefit adjustment of $30.7 million in “Provision for income taxes” to correct the deferred tax liabilities that were not properly recorded. If the impact of the tax rates had been recorded in the prior years, the Company estimates that it would have recognized approximately $3.0 million, $6.0 million, $9.0 million and $12.0 million of tax benefit in the years ended 2007, 2008, 2009 and 2010, respectively, and would not have been significant in the three and nine-month periods ended September 30, 2011.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph h
-Article 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 136, 172
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43, 44, 45, 46, 47, 48, 49
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h))
-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319

+ Details

Employee Benefit Plans

9 Months Ended

Sep. 30, 2012

Employee Benefit Plans [Abstract]

Employee Benefit Plans

10. Employee Benefit Plans

The components of net periodic benefit costs for the three and nine months ended September 30, 2012 and 2011 were as follows (dollars in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
Net periodic pension benefit cost:
Service cost	$	1,910	$	1,312	$	5,638	$	4,324
Interest cost		1,065		971		3,135		2,913
Expected return on plan assets		(766)		(734)		(2,299)		(2,203)
Amortization of prior service cost		102		195		288		296
Amortization of prior actuarial loss		851		658		2,514		1,160
Total	$	3,162	$	2,402	$	9,276	$	6,490

Net periodic other benefits cost:
Service cost	$	673	$	413	$	1,231	$	837
Interest cost		418		335		935		776
Expected return on plan assets		--		--		--		--
Amortization of prior service cost		--		--		--		--
Amortization of prior actuarial loss		380		147		557		265
Total	$	1,471	$	895	$	2,723	$	1,878

The Company has made pension contributions of $4.0 million during the first nine months of 2012 and expects to make total pension contributions of $6.2 million in 2012.

- Definition

The entire disclosure for pension and other postretirement benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 8
-Subparagraph m
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 518
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 264
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
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-Name Emerging Issues Task Force (EITF)
-Number 03-2
-Paragraph 8
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Reference 9: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Principles Board Opinion (APB)
-Number 30
-Paragraph 26
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Reference 10: http://www.xbrl.org/2003/role/presentationRef
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Reference 11: http://www.xbrl.org/2003/role/presentationRef
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-Number 158
-Paragraph 7, 21, 22
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Reference 12: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5, 6, 7, 8
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Implementation Guide (Q and A)
-Number FAS88
-Paragraph 63
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Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-URI http://asc.fasb.org/topic&trid=2235017

+ Details

Equity Based Compensation

9 Months Ended

Sep. 30, 2012

Equity Based Compensation [Abstract]

Equity Based Compensation

11. Equity Based Compensation

Equity compensation expense was $3.7 million and $3.9 million in the third quarter of 2012 and 2011, respectively. In the first quarter of 2012, the Company granted 0.7 million stock appreciation rights at $56.65 weighted average per share and 0.2 million performance contingent units to employees. Additionally, non-employee directors were granted a total of 10,350 shares of common stock. As of September 30, 2012, 1.7 million share options at $47.43 weighted average per share were vested and exercisable with a remaining weighted average exercise period of 4.5 years. As of September 30, 2012, the total compensation cost of non-vested awards not yet recognized in the financial statements was $30.2 million. It is estimated that these costs will vest over a weighted average period of 2.1 years.

- Definition

The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65, A240
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666

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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-Topic 718
-SubTopic 40
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-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

+ Details

Retrocession Arrangements and Reinsurance Ceded Receivables

9 Months Ended

Sep. 30, 2012

Retrocession Arrangements And Reinsurance Ceded Receivables [Abstract]

Retrocession And Claims Recoverable [Text Block]

12. Retrocession Arrangements and Reinsurance Ceded Receivables

The Company generally reports retrocession activity on a gross basis. Amounts paid or deemed to have been paid for reinsurance are reflected in reinsurance ceded receivables. The cost of reinsurance related to long-duration contracts is recognized over the terms of the reinsured policies on a basis consistent with the reporting of those policies. In the normal course of business, the Company seeks to limit its exposure to loss on any single insured and to recover a portion of benefits paid by ceding reinsurance to other insurance enterprises or reinsurers under excess coverage, quota share and coinsurance contracts.

Certain retrocessions are arranged through the Company's retrocession pools for amounts in excess of the Company's retention limit. As of September 30, 2012 and December 31, 2011, all rated retrocession pool participants rated by the A.M. Best Company were rated “A- (excellent)” or better, except for one pool member that was rated “B++.” The Company verifies retrocession pool participants' ratings on a quarterly basis. For a majority of the retrocessionaires that were not rated, security in the form of letters of credit or trust assets has been given as additional security in favor of RGA Reinsurance Company (“RGA Reinsurance”). In addition, the Company performs annual financial reviews of its retrocessionaires to evaluate financial stability and performance.

As of September 30, 2012 and December 31, 2011, the Company had claims recoverable from retrocessionaires of $176.5 million and $151.9 million, respectively, which is included in reinsurance ceded receivables, in the condensed consolidated balance sheets. The Company considers outstanding claims recoverable in excess of 90 days to be past due. There were $3.3 million and $11.4 million of past due claims recoverable as of September 30, 2012 and December 31, 2011, respectively. Based on financial reviews of the counterparties, the Company has not established a valuation allowance for claims recoverable. The Company has never experienced a material default in connection with retrocession arrangements, nor has it experienced any difficulty in collecting claims recoverable from retrocessionaires; however, no assurance can be given as to the future performance of such retrocessionaires or as to recoverability of any such claims.

Financing Activities

9 Months Ended

Sep. 30, 2012

Financing Activities And Stock Transactions [Abstract]

Stockholders' Equity Note Disclosure [Text Block]

13. Financing Activities

On August 21, 2012, RGA issued 6.20% Fixed-To-Floating Rate Subordinated Debentures due September 15, 2042 with a face amount of $400.0 million. These subordinated debentures have been registered with the Securities and Exchange Commission. The net proceeds from the offering were approximately $393.7 million and will be used for general corporate purposes. Capitalized issue costs were approximately $6.3 million.

- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest, if any, including other comprehensive income (as applicable). Including, but not limited to: (1) balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings; (2) accumulated balance for each classification of other comprehensive income and total amount of comprehensive income; (3) amount and nature of changes in separate accounts, including the number of shares authorized and outstanding, number of shares issued upon exercise and conversion, and for other comprehensive income, the adjustments for reclassifications to net income; (4) rights and privileges of each class of stock authorized; (5) basis of treasury stock, if other than cost, and amounts paid and accounting treatment for treasury stock purchased significantly in excess of market; (6) dividends paid or payable per share and in the aggregate for each class of stock for each period presented; (7) dividend restrictions and accumulated preferred dividends in arrears (in aggregate and per share amount); (8) retained earnings appropriations or restrictions, such as dividend restrictions; (9) impact of change in accounting principle, initial adoption of new accounting principle and correction of an error in previously issued financial statements; (10) shares held in trust for Employee Stock Ownership Plan (ESOP); (11) deferred compensation related to issuance of capital stock; (12) note received for issuance of stock; (13) unamortized discount on shares; (14) description, terms, and number of warrants or rights outstanding; (15) shares under subscription and subscription receivables, effective date of new retained earnings after quasi-reorganization and deficit eliminated by quasi-reorganization and, for a period of at least ten years after the effective date, the point in time from which the new retained dates; and (16) retroactive effective of subsequent change in capital structure.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 12
-Paragraph 10
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Article 3

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 4
-Section 08
-Paragraph d

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 1
-Section B
-Paragraph 7, 11A
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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 3, 4, 5, 6, 7, 8
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
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-Name Statement of Financial Accounting Standard (FAS)
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-Number 210
-Section 02
-Paragraph 29, 30, 31
-Article 5

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-Name Staff Accounting Bulletin (SAB)
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-Section E

Reference 10: http://www.xbrl.org/2003/role/presentationRef
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-URI http://asc.fasb.org/extlink&oid=6521494

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-Subparagraph (SAB TOPIC 4.C)
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+ Details

New Accounting Standards

9 Months Ended

Sep. 30, 2012

New Accounting Standards [Abstract]

New Accounting Standards

14. New Accounting Standards

Changes to the general accounting principles are established by the FASB in the form of accounting standards updates to the FASB Accounting Standards Codification™. Accounting standards updates not listed below were assessed and determined to be either not applicable or are expected to have minimal impact on the Company's consolidated financial statements.

Adoption of New Accounting Standards

Transfers and Servicing

In April 2011, the FASB amended the general accounting principles for Transfers and Servicing as it relates to the reconsideration of effective control for repurchase agreements. This amendment removes from the assessment of effective control the criterion requiring the transferor to have the ability to repurchase or redeem the financial assets and also removes the collateral maintenance implementation guidance related to that criterion. The amendment is effective for interim and annual periods beginning after December 15, 2011. The adoption of this amendment did not have an impact on the Company's condensed consolidated financial statements.

Fair Value Measurements and Disclosures

In May 2011, the FASB amended the general accounting principles for Fair Value Measurements and Disclosures as it relates to the measurement and disclosure requirements about fair value measurements. This amendment clarifies the FASB's intent about the application of existing fair value measurement requirements. It also changes particular principles and requirements for measuring fair value and for disclosing information about fair value measurements. The amendment is effective for interim and annual periods beginning after December 15, 2011. The Company adopted this amendment and the required disclosures are provided in Note 6 — “Fair Value of Assets and Liabilities.”

Deferred Policy Acquisition Costs

In October 2010, the FASB amended the general accounting principles for Financial Services – Insurance as it relates to accounting for costs associated with acquiring or renewing insurance contracts. This amendment clarifies that only those costs that result directly from and are essential to the contract transaction and that would not have been incurred had the contract transaction not occurred can be capitalized. It also defines acquisitions costs as costs that are related directly to the successful acquisitions of new or renewal insurance contracts. The amendment is effective for fiscal years and interim periods beginning after December 15, 2011. The retrospective adoption of this amendment on January 1, 2012, resulted in a reduction in the Company's deferred acquisition cost asset and a corresponding reduction to equity. There will be a decrease in amortization subsequent to adoption due to the reduced deferred acquisition cost asset. There will also be a reduction in the level of future costs the Company defers; thereby increasing expenses incurred in future periods. The Company retrospectively adopted this amendment and the required disclosures are provided in Note 1 — “Organization and Basis of Presentation.”

Comprehensive Income

In June 2011, the FASB amended the general accounting principles for Comprehensive Income as it relates to the presentation of comprehensive income. This amendment requires entities to present the total of comprehensive income, the components of net income, and the components of other comprehensive income in either a continuous statement of comprehensive income or in two separate but consecutive statements. The amendment does not change the items that must be reported in other comprehensive income. In December 2011, the FASB amended the general accounting principles for Comprehensive Income as it relates to the presentation of comprehensive income. This amendment defers the requirement to present the effects of reclassifications out of accumulated other comprehensive income on the Company's consolidated statements of income, which was required in the Comprehensive Income amendment made in June 2011. These amendments are effective for fiscal years, and interim periods within those years, beginning after December 15, 2011. The Company adopted these amendments and the required presentation is provided in the Condensed Consolidated Statements of Comprehensive Income.

Future Adoption of New Accounting Standards

Basis of Presentation

In December 2011, the FASB amended the general accounting principles for Balance Sheet as it relates to the disclosures about offsetting assets and liabilities. The amendment requires disclosures about the Company's rights of offset and related arrangements associated with its financial instruments and derivative instruments. This amendment also requires the disclosure of both gross and net information about both instruments and transactions eligible for offset in the balance sheet and instruments and transactions subject to an agreement similar to a master netting arrangement. The amendment is effective for interim and annual reporting periods beginning on or after January 1, 2013. The Company is currently evaluating the impact of this amendment on its condensed consolidated financial statements.

Organization and Basis of Presentation (Tables)

9 Months Ended

Sep. 30, 2012

Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount after Application [Abstract]

Schedule Of New Accounting Pronouncements And Changes In Accounting Principles Text Block

			Three months ended September 30, 2011
				As Reported		Adjustments		As Amended
Benefits and Expenses:
Policy acquisition costs and other insurance expenses			$	149,228	$	15,144	$	164,372

Income before income taxes				171,540		(15,144)		156,396
Provision for income taxes				24,155		(2,361)		21,794
Net income			$	147,385	$	(12,783)	$	134,602

Earnings per share:
Basic earnings per share			$	2.00	$	(0.18)	$	1.82
Diluted earnings per share			$	1.98	$	(0.17)	$	1.81









			Nine months ended September 30, 2011
				As Reported		Adjustments		As Amended
Benefits and Expenses:
Policy acquisition costs and other insurance expenses			$	741,663	$	43,475	$	785,138

Income before income taxes				613,795		(43,475)		570,320
Provision for income taxes				172,706		(9,852)		162,854
Net income			$	441,089	$	(33,623)	$	407,466

Earnings per share:
Basic earnings per share			$	5.99	$	(0.46)	$	5.53
Diluted earnings per share			$	5.94	$	(0.45)	$	5.49

				Nine months ended September 30, 2011
				As Reported		Adjustments		As Amended
Cash Flows from Operating Activities:
Net Income			$	441,089	$	(33,623)	$	407,466
	Change in operating assets and liabilities
		Deferred policy acquisition costs		(104,267)		43,475		(60,792)
		Deferred income taxes		68,059		(9,852)		58,207

- Definition

Tabular disclosure of changes in accounting principles, including adoption of new accounting pronouncements, that describes the new methods, amount and effects on financial statement line items.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 154
-Paragraph 2, 17, 18
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Principles Board Opinion (APB)
-Number 28
-Paragraph 23, 24
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 01
-Paragraph b
-Subparagraph 6
-Article 10

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22499-107794

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22580-107794

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Indirect Effects of a Change in Accounting Principle
-URI http://asc.fasb.org/extlink&oid=6515603

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Accounting Change
-URI http://asc.fasb.org/extlink&oid=6503790

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Change in Accounting Principle
-URI http://asc.fasb.org/extlink&oid=6507316

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Direct Effects of a Change in Accounting Principle
-URI http://asc.fasb.org/extlink&oid=6510796

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.10-01.(b)(6))
-URI http://asc.fasb.org/extlink&oid=6958853&loc=d3e46468-122699

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6801783&loc=d3e22583-107794

Reference 12: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Retrospective Application
-URI http://asc.fasb.org/extlink&oid=6523989

Reference 13: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 45
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e725-108305

Reference 14: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6372559&loc=d3e765-108305

+ Details

Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Earnings Per Share [Abstract]

Schedule Of Earnings Per Share Basic And Diluted By Common Class [Text Block]

				Three months ended				Nine months ended
			September 30,				September 30,
				2012		2011		2012		2011
Earnings:
	Net income (numerator for basic and diluted calculations)		$	144,475	$	134,602	$	408,904	$	407,466
Shares:
	Weighted average outstanding shares (denominator for
		basic calculation)		73,776		73,856		73,690		73,680
	Equivalent shares from outstanding stock options⁽¹⁾			362		398		388		527
	Denominator for diluted calculation			74,138		74,254		74,078		74,207
Earnings per share:
	Basic		$	1.96	$	1.82	$	5.55	$	5.53
	Diluted		$	1.95	$	1.81	$	5.52	$	5.49
	(1) Year-to-date amounts are the weighted average of the individual quarterly amounts.

Comprehensive Income (Tables)

9 Months Ended

Sep. 30, 2012

Comprehensive Income [Abstract]

Components Of Accumulated Other Comprehensive Income [Text Block]

		Accumulated Other Comprehensive Income (Loss), Net of Income Tax
			Accumulated
			Currency		Unrealized		Pension and
			Translation		Appreciation		Postretirement
			Adjustments		of Securities		Benefits		Total
Balance, December 31, 2011		$	229,795	$	1,419,318	$	(30,960)	$	1,618,153
	Change in component during the period		43,463		488,194		1,837		533,494
Balance, September 30, 2012		$	273,258	$	1,907,512	$	(29,123)	$	2,151,647

		Accumulated Other Comprehensive Income (Loss), Net of Income Tax
			Accumulated
			Currency		Unrealized		Pension and
			Translation		Appreciation		Postretirement
			Adjustments		of Securities		Benefits		Total
Balance, December 31, 2010		$	255,295	$	651,449	$	(14,560)	$	892,184
	Change in component during the period		(65,948)		468,275		1,280		403,607
Balance, September 30, 2011		$	189,347	$	1,119,724	$	(13,280)	$	1,295,791

Investments (Tables)

9 Months Ended

Sep. 30, 2012

Investments Abstract

Investment Income

Investment Income, Net of Related Expenses

Major categories of investment income, net of related expenses consist of the following (dollars in thousands):

	Three months ended				Nine months ended
	September 30,				September 30,
	2012		2011		2012		2011
Fixed maturity securities available-for-sale	$	221,212	$	190,990	$	633,110	$	566,581
Mortgage loans on real estate		26,938		14,474		67,258		41,801
Policy loans		16,519		16,454		49,637		49,549
Funds withheld at interest		127,855		41,267		305,861		306,028
Short-term investments		960		393		3,027		2,201
Other invested assets		13,117		11,470		35,803		31,680
Investment revenue		406,601		275,048		1,094,696		997,840
Investment expense		(9,820)		(6,838)		(28,641)		(21,154)
Investment income, net of related expenses	$	396,781	$	268,210	$	1,066,055	$	976,686

Gain Loss On Investments

Investment Related Gains (Losses), Net

Investment related gains (losses), net, consist of the following (dollars in thousands):

			Three months ended				Nine months ended
			September 30,				September 30,
			2012		2011		2012		2011
Fixed maturity and equity securities available for sale:
	Other-than-temporary impairment losses on fixed maturities		$	(1,996)	$	(11,911)	$	(11,562)	$	(19,049)
	Portion of loss recognized in accumulated other
		comprehensive income (before taxes)		(559)		3,089		(7,618)		3,381
	Net other-than-temporary impairment losses on fixed
		maturities recognized in earnings		(2,555)		(8,822)		(19,180)		(15,668)
	Impairment losses on equity securities			--		--		(3,025)		(3,680)
	Gain on investment activity			53,173		34,840		102,078		92,423
	Loss on investment activity			(6,668)		(7,182)		(23,090)		(20,749)
Other impairment losses and change in mortgage loan provision				(10,301)		(2,370)		(14,382)		(4,980)
Derivatives and other, net				42,404		(156,066)		100,973		(35,938)
Total investment related gains (losses), net			$	76,053	$	(139,600)	$	143,374	$	11,408

RollForward Of Cumulative Credit Loss Component Of OTTI Income Loss

	Three months ended September 30,
	2012		2011
Balance, beginning of period	$	45,903	$	52,484
Initial impairments - credit loss OTTI recognized on securities not previously impaired		--		5,259
Additional impairments - credit loss OTTI recognized on securities previously impaired		1,306		2,432
Credit loss OTTI previously recognized on securities impaired to fair value during the period		(2,622)		--
Credit loss OTTI previously recognized on securities which matured, paid down, prepaid or were sold during the period		(20,725)		(752)
Balance, end of period	$	23,862	$	59,423

	Nine months ended September 30,
	2012		2011
Balance, beginning of period	$	63,947	$	47,291
Initial impairments - credit loss OTTI recognized on securities not previously impaired		1,962		6,731
Additional impairments - credit loss OTTI recognized on securities previously impaired		10,187		6,871
Credit loss OTTI previously recognized on securities impaired to fair value during the period		(22,291)		--
Credit loss OTTI previously recognized on securities which matured, paid down, prepaid or were sold during the period		(29,943)		(1,470)
Balance, end of period	$	23,862	$	59,423

Available For Sale Securities

													Other-than-
									Estimated				temporary
September 30, 2012:			Amortized		Unrealized		Unrealized		Fair		% of		impairments
			Cost		Gains		Losses		Value		Total		in AOCI
Available-for-sale:
	Corporate securities		$	10,885,071	$	1,059,275	$	44,624	$	11,899,722	55.0	%	$	--
	Canadian and Canadian provincial
		governments		2,653,761		1,438,124		2		4,091,883	18.9			--
	Residential mortgage-backed securities			980,655		80,614		5,461		1,055,808	4.9			(477)
	Asset-backed securities			588,851		18,050		34,201		572,700	2.6			(2,295)
	Commercial mortgage-backed securities			1,663,493		137,153		60,255		1,740,391	8.0			(6,111)
	U.S. government and agencies			251,417		33,458		18		284,857	1.3			--
	State and political subdivisions			254,845		38,784		6,212		287,417	1.3			--
	Other foreign government, supranational and
		foreign government-sponsored enterprises		1,627,190		100,539		2,093		1,725,636	8.0			--
		Total fixed maturity securities	$	18,905,283	$	2,905,997	$	152,866	$	21,658,414	100.0	%	$	(8,883)

Non-redeemable preferred stock			$	69,182	$	6,332	$	834	$	74,680	35.7	%
Other equity securities				133,037		1,555		-		134,592	64.3
		Total equity securities	$	202,219	$	7,887	$	834	$	209,272	100.0	%

													Other-than-
									Estimated				temporary
December 31, 2011:			Amortized		Unrealized		Unrealized		Fair		% of		impairments
			Cost		Gains		Losses		Value		Total		in AOCI
Available-for-sale:
	Corporate securities		$	6,931,958	$	654,519	$	125,371	$	7,461,106	46.0	%	$	--
	Canadian and Canadian provincial
		governments		2,507,802		1,362,160		29		3,869,933	23.9			--
	Residential mortgage-backed securities			1,167,265		76,393		16,424		1,227,234	7.6			(1,042)
	Asset-backed securities			443,974		11,692		53,675		401,991	2.5			(5,256)
	Commercial mortgage-backed securities			1,233,958		87,750		79,489		1,242,219	7.7			(12,225)
	U.S. government and agencies			341,087		32,976		61		374,002	2.3			--
	State and political subdivisions			184,308		24,419		3,341		205,386	1.3			--
	Other foreign government, supranational and
		foreign government-sponsored enterprises		1,372,528		50,127		3,576		1,419,079	8.7			--
		Total fixed maturity securities	$	14,182,880	$	2,300,036	$	281,966	$	16,200,950	100.0	%	$	(18,523)

Non-redeemable preferred stock			$	82,488	$	4,677	$	8,982	$	78,183	68.6	%
Other equity securities				35,352		1,903		1,538		35,717	31.4
		Total equity securities	$	117,840	$	6,580	$	10,520	$	113,900	100.0	%

Investments Classified By Contractual Maturity Date

			Amortized		Fair
			Cost		Value
Available-for-sale:
	Due in one year or less		$	247,507	$	251,672
	Due after one year through five years			3,767,244		3,950,306
	Due after five year through ten years			6,172,841		6,757,674
	Due after ten years			5,484,692		7,329,863
	Asset and mortgage-backed securities			3,232,999		3,368,899
		Total	$	18,905,283	$	21,658,414

Fixed Maturity Holdings Industry Types Weighted Average Credit Ratings

September 30, 2012:					Estimated
			Amortized Cost		Fair Value	% of Total
Finance		$	3,551,382	$	3,802,951	32.0	%
Industrial			5,583,541		6,146,069	51.6
Utility			1,715,512		1,914,809	16.1
Other			34,636		35,893	0.3
	Total	$	10,885,071	$	11,899,722	100.0	%

December 31, 2011:					Estimated
			Amortized Cost		Fair Value	% of Total
Finance		$	2,411,175	$	2,442,149	32.7	%
Industrial			3,402,099		3,760,187	50.4
Utility			1,115,384		1,255,090	16.9
Other			3,300		3,680	-
	Total	$	6,931,958	$	7,461,106	100.0	%

Sovereign Fixed Maturity Holdings By Country [Table Text Block]

September 30, 2012:					Estimated
			Amortized Cost		Fair Value	% of Total
Australia		$	454,131	$	470,628	33.3	%
Japan			221,977		228,478	16.2
United Kingdom			129,960		140,478	10.0
Cayman Islands			69,333		76,661	5.4
South Africa			63,037		67,240	4.8
New Zealand			54,077		54,716	3.9
Germany			42,360		45,229	3.2
South Korea			41,396		44,619	3.2
France			38,694		41,945	3.0
Other			215,586		240,896	17.0
	Total	$	1,330,551	$	1,410,890	100.0	%



December 31, 2011:					Estimated
			Amortized Cost		Fair Value	% of Total
Australia		$	437,713	$	446,694	39.1	%
Japan			214,994		219,276	19.2
United Kingdom			118,618		130,106	11.4
Germany			72,926		75,741	6.6
New Zealand			51,547		51,544	4.5
South Africa			37,624		38,528	3.4
South Korea			30,592		32,025	2.8
Other			139,927		148,792	13.0
	Total	$	1,103,941	$	1,142,706	100.0	%

Non Sovereign Fixed Maturity And Equity Securities In European Peripheral Region [Table Text Block]

September 30, 2012:							Estimated
					Amortized Cost		Fair Value	% of Total
Financial institutions:
	Ireland			$	3,592	$	4,057	4.4	%
	Spain				23,347		23,215	25.0
		Total financial institutions			26,939		27,272	29.4

Other:
	Ireland				26,346		27,528	29.7
	Italy				6,393		6,394	6.9
	Spain				31,694		31,525	34.0
		Total other			64,433		65,447	70.6
			Total	$	91,372	$	92,719	100.0	%

December 31, 2011:							Estimated
					Amortized Cost		Fair Value	% of Total
Financial institutions:
	Ireland			$	4,084	$	4,397	5.9	%
	Spain				25,565		20,378	27.6
		Total financial institutions			29,649		24,775	33.5

Other:
	Ireland				12,474		13,149	17.8
	Italy				2,898		2,808	3.8
	Spain				34,459		33,137	44.9
		Total other			49,831		49,094	66.5
			Total	$	79,480	$	73,869	100.0	%

Investments In Debt And Equity Securities Gross Unrealized Losses Disclosures

		September 30, 2012				December 31, 2011
		Gross				Gross
		Unrealized				Unrealized
		Losses		% of Total		Losses		% of Total
Less than 20%		$	55,930	36.4	%	$	131,155	44.8	%
20% or more for less than six months			509	0.3			51,503	17.6
20% or more for six months or greater			97,261	63.3			109,828	37.6
	Total	$	153,700	100.0	%	$	292,486	100.0	%

Fair Value And Investments In Debt And Marketable Equity Securities And Certain Trading Assets Disclosures

			Less than 12 months				12 months or greater				Total
					Gross				Gross				Gross
September 30, 2012:			Estimated		Unrealized		Estimated		Unrealized		Estimated		Unrealized
			Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Investment grade securities:
	Corporate securities		$	436,908	$	7,947	$	168,366	$	26,006	$	605,274	$	33,953
	Canadian and Canadian provincial
		governments		589		2		--		--		589		2
	Residential mortgage-backed securities			21,365		113		21,236		4,763		42,601		4,876
	Asset-backed securities			55,260		1,286		101,691		20,960		156,951		22,246
	Commercial mortgage-backed securities			117,736		1,350		40,110		9,546		157,846		10,896
	U.S. government and agencies			6,715		18		--		--		6,715		18
	State and political subdivisions			2,885		1,272		18,409		4,940		21,294		6,212
	Other foreign government, supranational and
		foreign government-sponsored enterprises		53,671		1,068		16,589		1,025		70,260		2,093
		Total investment grade securities		695,129		13,056		366,401		67,240		1,061,530		80,296

Non-investment grade securities:
	Corporate securities			133,893		4,330		63,817		6,341		197,710		10,671
	Residential mortgage-backed securities			7,774		55		4,304		530		12,078		585
	Asset-backed securities			--		--		18,244		11,955		18,244		11,955
	Commercial mortgage-backed securities			12,157		492		60,373		48,867		72,530		49,359
		Total non-investment grade securities		153,824		4,877		146,738		67,693		300,562		72,570
		Total fixed maturity securities	$	848,953	$	17,933	$	513,139	$	134,933	$	1,362,092	$	152,866

	Non-redeemable preferred stock		$	734	$	6	$	6,744	$	828	$	7,478	$	834
		Total equity securities	$	734	$	6	$	6,744	$	828	$	7,478	$	834

			Less than 12 months				12 months or greater				Total
					Gross				Gross				Gross
December 31, 2011:			Estimated		Unrealized		Estimated		Unrealized		Estimated		Unrealized
			Fair Value		Losses		Fair Value		Losses		Fair Value		Losses
Investment grade securities:
	Corporate securities		$	790,758	$	40,180	$	286,244	$	63,117	$	1,077,002	$	103,297
	Canadian and Canadian provincial
		governments		3,094		29		--		--		3,094		29
	Residential mortgage-backed securities			128,622		3,549		58,388		10,382		187,010		13,931
	Asset-backed securities			101,263		3,592		93,910		29,036		195,173		32,628
	Commercial mortgage-backed securities			109,455		3,538		58,979		22,001		168,434		25,539
	U.S. government and agencies			1,764		61		--		--		1,764		61
	State and political subdivisions			21,045		1,845		12,273		1,268		33,318		3,113
	Other foreign government, supranational and
		foreign government-sponsored enterprises		148,416		1,085		16,588		2,491		165,004		3,576
		Total investment grade securities		1,304,417		53,879		526,382		128,295		1,830,799		182,174

Non-investment grade securities:
	Corporate securities			212,795		10,852		47,310		11,222		260,105		22,074
	Residential mortgage-backed securities			23,199		712		10,459		1,781		33,658		2,493
	Asset-backed securities			2,363		940		21,275		20,107		23,638		21,047
	Commercial mortgage-backed securities			34,918		7,220		62,357		46,730		97,275		53,950
	State and political subdivisions			4,000		228		--		--		4,000		228
		Total non-investment grade securities		277,275		19,952		141,401		79,840		418,676		99,792
		Total fixed maturity securities	$	1,581,692	$	73,831	$	667,783	$	208,135	$	2,249,475	$	281,966

	Non-redeemable preferred stock		$	19,516	$	4,478	$	15,694	$	4,504	$	35,210	$	8,982
	Other equity securities			1,662		602		5,905		936		7,567		1,538
		Total equity securities	$	21,178	$	5,080	$	21,599	$	5,440	$	42,777	$	10,520

Accounting for Certain Loans and Debt Securities Acquired in Transfer Disclosure [Text Block]

Schedule Of Certain Loans Acquired In Transfer Accounted For As Available For Sale Debt Securities At Acquisition Date [Table Text Block]

		At Date of
		Acquisition
Contractually required payments (including interest)		$	50,268
Cash flows expected to be collected⁽¹⁾		$	42,316
Fair value of investments acquired		$	30,853

(1)	Represents undiscounted principal and interest cash flow expectations at the date of acquisition.

Schedule Of Certain Loans Acquired In Transfer Accounted For As Available For Sale Debt Securities Accretable Yield [Table Text Block]

	Nine months ended
	September 30, 2012
Balance, beginning of period	$	--
Investments purchased		11,463
Accretion		(6)
Balance, end of period	$	11,457

Disclosure Of Real Estate Holdings By Property Type [Table Text Block]

		September 30, 2012				December 31, 2011
		Recorded		Percentage		Recorded		Percentage
Property type:		Investment		of Total		Investment		of Total
	Apartment	$	238,365	10.5	%	$	124,674	12.4	%
	Retail		618,896	27.3			335,745	33.5
	Office building		803,889	35.4			264,584	26.4
	Industrial		454,215	20.0			200,762	20.0
	Other commercial		154,849	6.8			77,759	7.7
Total		$	2,270,214	100.0	%	$	1,003,524	100.0	%

Disclosure Of Real Estate Holdings By Geographical Region [Table Text Block]

		September 30, 2012				December 31, 2011
		Recorded		Percentage		Recorded		Percentage
		Investment		of Total		Investment		of Total
Pacific		$	613,425	27.0	%	$	269,922	26.9	%
South Atlantic			470,722	20.7			233,534	23.3
Mountain			198,443	8.7			116,224	11.6
Middle Atlantic			311,192	13.7			86,590	8.6
West North Central			155,745	6.9			69,789	7.0
East North Central			221,085	9.7			92,861	9.2
West South Central			147,177	6.5			58,506	5.8
East South Central			60,121	2.7			40,767	4.1
New England			92,304	4.1			35,331	3.5
	Total	$	2,270,214	100.0	%	$	1,003,524	100.0	%

Mortgage Loans Classified By Contractual Maturity Date [Table Text Block]

The maturities of the mortgage loans, gross of valuation allowances, as of September 30, 2012 and December 31, 2011 are as follows (dollars in thousands):


		September 30, 2012		December 31, 2011
Due one year through five years		$	1,234,191	$	493,027
Due after five years			731,618		299,252
Due after ten years			304,405		211,245
	Total	$	2,270,214	$	1,003,524

Mortgage Loan Internal Credit Risk Grade

Internal credit risk grade:			September 30, 2012		December 31, 2011
	High investment grade		$	1,153,162	$	252,333
	Investment grade			871,508		526,608
	Average			134,205		105,177
	Watch list			73,977		91,037
	In or near default			37,362		28,369
		Total	$	2,270,214	$	1,003,524

Schedule Of Analysis Of Past Due Financing Receivables

			September 30, 2012		December 31, 2011
31-60 days past due			$	16,627	$	21,800
61-90 days past due				--		--
Greater than 90 days				16,298		20,316
	Total past due			32,925		42,116
Current				2,237,289		961,408
		Total	$	2,270,214	$	1,003,524

Recorded Investment And Allowance For Credit Losses

The following table presents the recorded investment in mortgage loans, by method of evaluation of credit loss, and the related valuation allowances, by type of credit loss, at (dollars in thousands):

			September 30, 2012		December 31, 2011
Mortgage loans:
	Evaluated individually for credit losses		$	44,394	$	60,904
	Evaluated collectively for credit losses			2,225,820		942,620
		Mortgage loans, gross of valuation allowances		2,270,214		1,003,524

Valuation allowances:
	Specific for credit losses			8,343		8,188
	Non-specifically identified credit losses			4,990		3,605
		Total valuation allowances		13,333		11,793

		Mortgage loans, net of valuation allowances	$	2,256,881	$	991,731

Allowance For Mortgage Loan And Lease Losses Provision For Loss Net

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Balance, beginning of period	$	11,011	$	7,692	$	11,793	$	6,239
Charge-offs		(526)		--		(4,595)		(1,157)
Provision		2,848		2,370		6,135		4,980
Balance, end of period	$	13,333	$	10,062	$	13,333	$	10,062

Impaired Financing Receivables Table

		Unpaid Principal Balance		Recorded Investment		Related Allowance		Carrying Value
September 30, 2012:
Impaired mortgage loans with no valuation allowance recorded		$	13,127	$	12,585	$	--	$	12,585
Impaired mortgage loans with valuation allowance recorded			31,939		31,809		8,343		23,466
	Total impaired mortgage loans	$	45,066	$	44,394	$	8,343	$	36,051

December 31, 2011:
Impaired mortgage loans with no valuation allowance recorded		$	32,088	$	31,496	$	--	$	31,496
Impaired mortgage loans with valuation allowance recorded			29,724		29,408		8,188		21,220
	Total impaired mortgage loans	$	61,812	$	60,904	$	8,188	$	52,716

		Three Months Ended
		September 30, 2012				September 30, 2011
		Average Investment⁽¹⁾		Interest Income		Average Investment⁽¹⁾		Interest Income
Impaired mortgage loans with no valuation allowance recorded		$	11,054	$	109	$	4,706	$	32
Impaired mortgage loans with valuation allowance recorded			35,047		461		31,351		202
	Total	$	46,101	$	570	$	36,057	$	234




		Nine Months Ended
		September 30, 2012				September 30, 2011
		Average Investment⁽¹⁾		Interest Income		Average Investment⁽¹⁾		Interest Income
Impaired mortgage loans with no valuation allowance recorded		$	16,312	$	305	$	11,228	$	102
Impaired mortgage loans with valuation allowance recorded			36,178		1,180		25,046		678
	Total	$	52,490	$	1,485	$	36,274	$	780

(1)	Average recorded investment represents the average loan balances as of the beginning of period and all subsequent quarterly end of period balances.

Schedule Of Other Invested Assets [Table Text Block]

		September 30, 2012		December 31, 2011
Equity securities		$	209,272	$	113,900
Limited partnerships and joint ventures			350,643		251,315
Structured loans			341,795		281,022
Derivatives			212,322		257,050
Other			122,584		109,254
	Total other invested assets	$	1,236,616	$	1,012,541

Investment [Table Text Block]

				Amortized Cost/		Estimated
				Recorded Investment		Fair Value
Fixed maturity securities – available for sale:
	Corporate securities			$	2,585,095	$	2,606,816
	Asset-backed securities				137,251		138,918
	Commercial mortgage-backed securities				703,313		704,065
	U.S. Government and agencies securities				240,952		256,168
	State and political subdivision securities				27,297		27,555
	Other foreign government, supranational, and
		foreign government-sponsored enterprises			56,776		55,437
			Total fixed maturity securities – available for sale		3,750,684		3,788,959
Mortgage loans on real estate					1,009,454		1,021,661
Short-term investments					101,428		101,338
Cash and cash equivalents					501,593		501,593
Accrued interest					43,739		43,739
			Total	$	5,406,898	$	5,457,290

Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2012

Derivative Instruments [Abstract]

Schedule Of Derivative Instruments In Statement Of Financial Position Fair Value

				September 30, 2012						December 31, 2011
					Notional	Carrying Value/Fair Value					Notional	Carrying Value/Fair Value
					Amount		Assets		Liabilities		Amount		Assets		Liabilities
Derivatives not designated as
	hedging instruments:
	Interest rate swaps⁽¹⁾			$	2,236,718	$	306,774	$	174,741	$	2,748,317	$	184,842	$	18,702
	Financial futures⁽¹⁾				204,424		--		--		277,814		--		--
	Foreign currency forwards⁽¹⁾				44,400		4,052		36		24,400		4,560		--
	Consumer price index swaps⁽¹⁾				102,742		817		--		101,069		766		--
	Credit default swaps⁽¹⁾				640,500		1,308		3,770		649,500		1,313		10,949
	Equity options⁽¹⁾				696,776		73,659		--		510,073		90,106		--
	Synthetic guaranteed investment contracts
		("GICs")⁽¹⁾			1,913,202		--		--		--		--		--
	Embedded derivatives in:
		Modified coinsurance or funds
			withheld arrangements⁽²⁾		--		--		320,501		--		--		361,456
		Indexed annuity products⁽³⁾			--		4,192		751,112		--		4,945		751,523
		Variable annuity products⁽³⁾			--		--		202,693		--		--		276,718
	Total non-hedging derivatives				5,838,762		390,802		1,452,853		4,311,173		286,532		1,419,348

Derivatives designated as
	hedging instruments:
	Interest rate swaps⁽¹⁾				57,181		3,901		--		56,250		133		960
	Foreign currency swaps⁽¹⁾				629,512		--		32,757		621,578		286		23,996
	Total hedging derivatives				686,693		3,901		32,757		677,828		419		24,956
Total derivatives				$	6,525,455	$	394,703	$	1,485,610	$	4,989,001	$	286,951	$	1,444,304

(1)		Carried on the Company’s condensed consolidated balance sheets in other invested assets or other liabilities, at fair value.
(2)		Embedded liability is included on the condensed consolidated balance sheets with the host contract in funds withheld at interest, at fair value.
(3)		Embedded liability is included on the condensed consolidated balance sheets with the host contract in interest-sensitive contract liabilities, at fair value. Embedded asset is included on the condensed consolidated balance sheets in reinsurance ceded receivables.

Net Derivatives Gains Losses Recognized On Fair Value Derivatives And Related Hedged Items

Type of Fair Value Hedge	Hedged Item		Gains (Losses) Recognized for Derivatives		Gains (Losses) Recognized for Hedged Items		Ineffectiveness Recognized in Investment Related Gains (Losses)

For the three months ended September 30, 2011:
Interest rate swaps	Fixed rate fixed maturities	$	(655)	$	913	$	258

For the nine months ended September 30, 2011:
Interest rate swaps	Fixed rate fixed maturities	$	(921)	$	1,509	$	588

Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block]

	Three months ended		Nine months ended
	September 30, 2012		September 30, 2012
Accumulated other comprehensive income (loss), balance beginning of period	$	(719)	$	(828)
Gains (losses) deferred in other comprehensive income (loss) on the effective portion of cash flow hedges		(2,831)		(2,044)
Amounts reclassified to investment related gains (losses), net		--		--
Amounts reclassified to investment income		(351)		(1,029)
Accumulated other comprehensive income (loss), balance end of period	$	(3,901)	$	(3,901)

Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]

Derivatives in Cash Flow Hedging Relationships	Amount of Gains (Losses) Deferred in AOCI on Derivatives		Amount and Location of Gains (Losses) Reclassified from AOCI into Income (Loss)				Amount and Location of Gains (Losses) Recognized in Income (Loss) on Derivatives
	(Effective Portion)		(Effective Portion)				(Ineffective Portion and Amounts Excluded from Effectiveness Testing)
			Investment Related Gains (Losses)		Investment Income		Investment Related Gains (Losses)		Investment Income
For the three months ended September 30, 2012:
Interest rate swaps	$	(2,831)	$	--	$	351	$	(3)	$	--

For the nine months ended September 30, 2012:
Interest rate swaps	$	(2,044)	$	--	$	1,029	$	--	$	--

Derivatives Hedging Instruments In Net Investment Hedging Relationships

		Derivative Gains (Losses) Deferred in AOCI
		For the three months ended				For the nine months ended
Type of NIFO Hedge ^{(1) (2)}		2012		2011		2012			2011

Foreign currency swaps		$	(19,454)	$	50,974	$	(23,457)	$	25,954

(1)	There were no sales or substantial liquidations of net investments in foreign operations that would have required the reclassification of gains or losses from accumulated other comprehensive income (loss) into investment income during the periods presented.
(2)	There was no ineffectiveness recognized for the Company's hedges of net investments in foreign operations.

Changes In Estimated Fair Value Related To Embedded Derivatives

		Three months ended				Nine months ended
		September 30,				September 30,
		2012		2011		2012		2011
Embedded derivatives in modco or funds withheld arrangements included
	in investment related gains	$	54,836	$	(102,574)	$	40,955	$	(1,514)
After the associated amortization of DAC and taxes, the related amounts included in net income			11,228		(22,403)		10,563		568

Embedded derivatives in variable annuity contracts included in investment related gains			2,579		(260,239)		74,025		(253,445)
After the associated amortization of DAC and taxes, the related amounts included in net income			1,588		(25,263)		494		(23,876)
Amounts related to embedded derivatives in equity-indexed annuities included
	in benefits and expenses		(33,821)		14,360		(26,422)		(58,987)
After the associated amortization of DAC and taxes, the related amounts included in net income			(22,529)		23,002		6,465		(26,840)

Derivative Instruments Gain Loss By Income Statement Location

Non-hedging Derivatives

A summary of the effect of non-hedging derivatives, including embedded derivatives, on the Company’s income statement for the three and nine months ended September 30, 2012 and 2011 is as follows (dollars in thousands):

					Gain (Loss) for the Three Months Ended
					September 30,
Type of Non-hedging Derivative			Income Statement Location of Gain (Loss)		2012		2011
Interest rate swaps			Investment related gains (losses), net		$	(1,437)	$	142,907
Financial futures			Investment related gains (losses), net			(3,977)		36,217
Foreign currency forwards			Investment related gains (losses), net			519		1,374
CPI swaps			Investment related gains (losses), net			422		(219)
Credit default swaps			Investment related gains (losses), net			7,817		(10,018)
Equity options			Investment related gains (losses), net			(23,916)		30,530
Embedded derivatives in:
	Modified coinsurance or funds withheld
		arrangements	Investment related gains (losses), net			54,836		(102,574)
	Indexed annuity products		Policy acquisition costs and other insurance
				expenses		(224)		(3,172)
	Indexed annuity products		Interest credited			(33,597)		17,531
	Variable annuity products		Investment related gains (losses), net			2,579		(260,239)
Total non-hedging derivatives					$	3,022	$	(147,663)

					Gain (Loss) for the Nine Months Ended
					September 30,
Type of Non-hedging Derivative			Income Statement Location of Gain (Loss)		2012		2011
Interest rate swaps			Investment related gains (losses), net		$	24,553	$	157,520
Financial futures			Investment related gains (losses), net			(10,312)		21,920
Foreign currency forwards			Investment related gains (losses), net			(574)		1,114
CPI swaps			Investment related gains (losses), net			(1,811)		1,096
Credit default swaps			Investment related gains (losses), net			14,835		(8,138)
Equity options			Investment related gains (losses), net			(58,532)		29,880
Embedded derivatives in:
	Modified coinsurance or funds withheld
		arrangements	Investment related gains (losses), net			40,955		(1,514)
	Indexed annuity products		Policy acquisition costs and other insurance
				expenses		(363)		8,947
	Indexed annuity products		Interest credited			(26,059)		(67,935)
	Variable annuity products		Investment related gains (losses), net			74,025		(253,445)
Total non-hedging derivatives					$	56,717	$	(110,555)

Credit Risk

			September 30, 2012		December 31, 2011
Estimated fair value of derivatives in net asset position			$	179,206	$	227,399
	Securities pledged to counterparties as collateral⁽¹⁾			35,093		27,052
	Cash pledged from counterparties as collateral⁽²⁾			(178,584)		(241,480)
	Securities pledged from counterparties as collateral⁽³⁾			(25,049)		(997)
Net credit exposure			$	10,666	$	11,974

Margin account related to exchange-traded futures⁽⁴⁾			$	5,376	$	18,153

(1)		Consists of U.S. Treasury securities, included in other invested assets.
(2)		Included in cash and cash equivalents, with obligation to return cash collateral recorded in other liabilities.
(3)		Consists of U.S. Treasury securities.
(4)		Included in cash and cash equivalents.

Fair Value Disclosures (Tables)

9 Months Ended

Sep. 30, 2012

Fair Value Of Financial Instruments [Abstract]

Schedule Of Fair Value Assets And Liabilities Measured On Recurring Basis Table Text Block

September 30, 2012:								Fair Value Measurements Using:
						Total		Level 1		Level 2		Level 3
Assets:
	Fixed maturity securities – available-for-sale:
		Corporate securities			$	11,899,722	$	52,993	$	10,339,456	$	1,507,273
		Canadian and Canadian provincial governments				4,091,883		--		4,091,883		--
		Residential mortgage-backed securities				1,055,808		--		1,006,449		49,359
		Asset-backed securities				572,700		--		383,110		189,590
		Commercial mortgage-backed securities				1,740,391		--		1,573,323		167,068
		U.S. government and agencies securities				284,857		212,636		67,655		4,566
		State and political subdivision securities				287,417		--		240,467		46,950
		Other foreign government supranational and foreign
			government-sponsored enterprises			1,725,636		228,478		1,497,158		--
				Total fixed maturity securities – available-for-sale		21,658,414		494,107		19,199,501		1,964,806
	Funds withheld at interest – embedded derivatives					(320,501)		--		--		(320,501)
	Cash equivalents					1,025,410		1,025,410		--		--
	Short-term investments					44,556		--		22,495		22,061
	Other invested assets:
		Non-redeemable preferred stock				74,680		63,874		10,806		--
		Other equity securities				134,592		134,592		--		--
		Derivatives:
			Interest rate swaps			136,211		--		136,211		--
			Foreign currency forwards			4,016		--		4,016		--
			CPI swaps			817		--		817		--
			Credit default swaps			(2,381)		--		(2,381)		--
			Equity options			73,659		--		73,659		--
		Collateral				37,202		34,598		2,604		--
		Other				37,056		37,056		--		--
				Total other invested assets		495,852		270,120		225,732		--
	Reinsurance ceded receivable – embedded derivatives					4,192		--		--		4,192
		Total			$	22,907,923	$	1,789,637	$	19,447,728	$	1,670,558

Liabilities:
	Interest sensitive contract liabilities – embedded derivatives				$	953,804	$	--	$	--	$	953,804
	Other liabilities:
		Derivatives:
			Interest rate swaps			277		--		277		--
			Credit default swaps			81		--		81		--
			Foreign currency swaps			32,757		--		32,757		--
				Total other liabilities		33,115		--		33,115		--
		Total			$	986,919	$	--	$	33,115	$	953,804

December 31, 2011:								Fair Value Measurements Using:
						Total		Level 1		Level 2		Level 3
Assets:
	Fixed maturity securities – available-for-sale:
		Corporate securities			$	7,461,106	$	76,097	$	6,410,840	$	974,169
		Canadian and Canadian provincial governments				3,869,933		--		3,869,933		--
		Residential mortgage-backed securities				1,227,234		--		1,145,579		81,655
		Asset-backed securities				401,991		--		208,499		193,492
		Commercial mortgage-backed securities				1,242,219		--		1,126,243		115,976
		U.S. government and agencies securities				374,002		300,514		73,488		--
		State and political subdivision securities				205,386		12,894		182,119		10,373
		Other foreign government, supranational and foreign
			government-sponsored enterprises			1,419,079		223,440		1,195,639		--
				Total fixed maturity securities – available-for-sale		16,200,950		612,945		14,212,340		1,375,665
	Funds withheld at interest – embedded derivatives					(361,456)		--		--		(361,456)
	Cash equivalents					504,522		504,522		--		--
	Short-term investments					46,671		37,155		9,516		--
	Other invested assets:
		Non-redeemable preferred stock				78,183		58,906		19,277		--
		Other equity securities				35,717		5,308		18,920		11,489
		Derivatives:
			Interest rate swaps			168,484		--		168,484		--
			Foreign currency forwards			4,560		--		4,560		--
			CPI swaps			766		--		766		--
			Credit default swaps			(4,003)		--		(4,003)		--
			Equity options			87,243		--		87,243		--
		Collateral				32,622		27,052		5,570		--
		Other				59,373		59,373		--		--
				Total other invested assets		462,945		150,639		300,817		11,489
	Reinsurance ceded receivable – embedded derivatives					4,945		--		--		4,945
		Total			$	16,858,577	$	1,305,261	$	14,522,673	$	1,030,643

Liabilities:
	Interest sensitive contract liabilities – embedded derivatives				$	1,028,241	$	--	$	--	$	1,028,241
	Other liabilities:
		Derivatives:
			Interest rate swaps			3,171		--		3,171		--
			Credit default swaps			5,633		--		5,633		--
			Equity options			(2,864)		--		(2,864)		--
			Foreign currency swaps			23,710		--		23,710		--
				Total other liabilities		29,650		--		29,650		--
		Total			$	1,057,891	$	--	$	29,650	$	1,028,241

Fair Value Unobservable Input Measurements [Table Text Block]

September 30, 2012:				Valuation	Unobservable	Range
		Fair Value		Technique(s)	Input	(Weighted Average)
Assets:
	State and political subdivision securities	$	15,186	Market comparable securities	Liquidity premium	1%

	Corporate securities		431,187	Market comparable securities	Liquidity premium	0-2% (1%)

	Short-term investments		22,061	Market comparable securities	Liquidity premium	1%

	Funds withheld at interest- embedded derivatives		(320,501)	Total return swap	Mortality	0-100% (1%)
					Lapse	0-35% (6%)
					Withdrawal	0-5% (3%)
					Own Credit	0-1% (1%)
					Crediting rate	2-4% (3%)

	Reinsurance ceded receivable- embedded derivatives		4,192	Discounted cash flow	Mortality	0-100% (8%)
					Lapse	14-16% (15%)





September 30, 2012 (continued):				Valuation	Unobservable	Range
		Fair Value		Technique(s)	Input	(Weighted Average)
Liabilities:
	Interest sensitive contract liabilities- embedded derivatives- indexed annuities		751,112	Discounted cash flow	Mortality	0-100% (1%)
					Lapse	0-35% (6%)
					Withdrawal	0-5% (3%)
					Option budget projection	2-4% (3%)


	Interest sensitive contract liabilities- embedded derivatives- variable annuities		202,692	Discounted cash flow	Mortality	0-100% (2%)
					Lapse	0-25% (5%)
					Withdrawal	0-7% (3%)
					Own Credit	0-1% (1%)
					Long-term volatility	0-27% (16%)

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Level Transfers [Table Text Block]

			Three months ended September 30,
			2012				2011
			Transfers from		Transfers from		Transfers from		Transfers from
			Level 1 to		Level 2 to		Level 1 to		Level 2 to
			Level 2		Level 1		Level 2		Level 1
Fixed maturity securities - available-for-sale:
	Corporate securities		$	11,777	$	--	$	--	$	--
	State and political subdivision securities			--		--		--		5,485
	Other foreign government, supranational and foreign
		government-sponsored enterprises		2,163		--		1,474		--
Total fixed maturity securities				13,940		--		1,474		5,485
	Non-redeemable preferred stock			9,646		11,068		--		--
Total			$	23,586	$	11,068	$	1,474	$	5,485

			Nine months ended September 30,
			2012				2011
			Transfers from		Transfers from		Transfers from		Transfers from
			Level 1 to		Level 2 to		Level 1 to		Level 2 to
			Level 2		Level 1		Level 2		Level 1
Fixed maturity securities - available-for-sale:
	Corporate securities		$	14,773	$	4	$	--	$	--
	U.S. government and agencies securities			--		11,152		23,065		--
	State and political subdivision securities			12,794		--		--		5,485
	Other foreign government, supranational and foreign
		government-sponsored enterprises		3,222		--		1,845		--
Total fixed maturity securities				30,789		11,156		24,910		5,485
	Non-redeemable preferred stock			9,646		11,068		--		--
	Other equity securities			--		--		2,290		--
Total			$	40,435	$	22,224	$	27,200	$	5,485

Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Text Block]

For the three months ended September 30, 2012:				Fixed maturity securities - available-for-sale
							Residential				Commercial
							mortgage-				mortgage-
				Corporate			backed		Asset-backed		backed
				securities			securities		securities		securities
Fair value, beginning of period				$	994,014	$	49,591	$	128,358	$	115,733
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(4,846)		114		54		446
			Investment related gains (losses), net		(1,059)		(187)		(3)		(2,088)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			22,280		479		7,658		6,188
	Purchases⁽¹⁾				556,031		31,020		62,109		21,092
	Sales⁽¹⁾				(18,548)		(24,566)		(3,725)		--
	Settlements⁽¹⁾				(31,448)		(1,437)		(4,407)		(511)
	Transfers into Level 3				1,293		1,804		5,006		26,208
	Transfers out of Level 3				(10,444)		(7,459)		(5,460)		--
Fair value, end of period				$	1,507,273	$	49,359	$	189,590	$	167,068

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(4,861)	$	28	$	40	$	446
			Investment related gains (losses), net		(223)		--		(242)		(2,088)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the three months ended September 30, 2012 (continued):				Fixed maturity securities - available-for-sale
				U.S.		State		Funds withheld
				Government		and political		at interest-
				and agencies		subdivision		embedded		Short-term
				securities		securities		derivatives		investments
Fair value, beginning of period				$	--	$	14,486	$	(375,337)	$	--
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(59)		1		--		(7)
			Investment related gains (losses), net		--		(4)		54,836		--
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			(15)		3,433		--		54
	Purchases⁽¹⁾				4,640		--		--		22,014
	Sales⁽¹⁾				--		--		--		--
	Settlements⁽¹⁾				--		(116)		--		--
	Transfers into Level 3				--		29,150		--		--
	Transfers out of Level 3				--		--		--		--
Fair value, end of period				$	4,566	$	46,950	$	(320,501)	$	22,061

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(59)	$	1	$	--	$	(7)
			Investment related gains (losses), net		--		--		54,836		--
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the three months ended September 30, 2012 (continued):						Reinsurance		Interest sensitive
				Other invested		ceded receivable-		contract liabilities
				assets- other		embedded		embedded
				equity securities		derivatives		derivatives
Fair value, beginning of period				$	3,227	$	4,416	$	(938,927)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		--		--		--
			Investment related gains (losses), net		--		--		2,579
			Claims & other policy benefits		--		--		213
			Interest credited		--		--		(33,980)
			Policy acquisition costs and other insurance expenses		--		(124)		--
		Included in other comprehensive income			--		--		--
	Purchases⁽¹⁾				--		--		(8,502)
	Sales⁽¹⁾				--		--		--
	Settlements⁽¹⁾				--		(100)		24,813
	Transfers into Level 3				--		--		--
	Transfers out of Level 3				(3,227)		--		--
Fair value, end of period				$	--	$	4,192	$	(953,804)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	--	$	--	$	--
			Investment related gains (losses), net		--		--		427
			Claims & other policy benefits		--		--		(23)
			Interest credited		--		--		(58,621)
			Policy acquisition costs and other insurance expenses		--		13		--

(1)			The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.

For the nine months ended September 30, 2012:				Fixed maturity securities - available-for-sale
							Residential				Commercial
							mortgage-				mortgage-
				Corporate			backed		Asset-backed		backed
				securities			securities		securities		securities
Fair value, beginning of period				$	974,169	$	81,655	$	193,492	$	115,976
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(4,738)		413		497		1,579
			Investment related gains (losses), net		(2,339)		(223)		(510)		(13,771)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			31,940		1,886		16,135		17,436
	Purchases⁽¹⁾				645,466		31,602		64,121		21,092
	Sales⁽¹⁾				(45,833)		(40,790)		(11,627)		(1,552)
	Settlements⁽¹⁾				(84,819)		(5,139)		(11,510)		(568)
	Transfers into Level 3				18,738		8,979		6,086		37,054
	Transfers out of Level 3				(25,311)		(29,024)		(67,094)		(10,178)
Fair value, end of period				$	1,507,273	$	49,359	$	189,590	$	167,068

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(4,747)	$	283	$	440	$	1,579
			Investment related gains (losses), net		(1,329)		(269)		(849)		(14,163)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the nine months ended September 30, 2012 (continued):				Fixed maturity securities - available-for-sale
				U.S.		State		Funds withheld
				Government		and political		at interest -
				and agencies		subdivision		embedded		Short-term
				securities		securities		derivatives		investments
Fair value, beginning of period				$	--	$	10,373	$	(361,456)	$	--
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(59)		5		--		(7)
			Investment related gains (losses), net		--		(12)		40,955		--
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			(15)		4,666		--		54
	Purchases⁽¹⁾				4,640		--		--		22,014
	Sales⁽¹⁾				--		--		--		--
	Settlements⁽¹⁾				--		(162)		--		--
	Transfers into Level 3				--		37,588		--		--
	Transfers out of Level 3				--		(5,508)		--		--
Fair value, end of period				$	4,566	$	46,950	$	(320,501)	$	22,061

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(59)	$	5	$	--	$	(7)
			Investment related gains (losses), net		--		--		40,955		--
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the nine months ended September 30, 2012 (continued):						Reinsurance		Interest sensitive
				Other invested		ceded receivable-		contract liabilities
				assets- other		embedded		embedded
				equity securities		derivatives		derivatives
Fair value, beginning of period				$	11,489	$	4,945	$	(1,028,241)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		--		--		--
			Investment related gains (losses), net		1,098		--		74,025
			Claims & other policy benefits		--		--		770
			Interest credited		--		--		(27,348)
			Policy acquisition costs and other insurance expenses		--		(449)		--
		Included in other comprehensive income			843		--		--
	Purchases⁽¹⁾				108		--		(48,199)
	Sales⁽¹⁾				(3,788)		--		--
	Settlements⁽¹⁾				--		(304)		75,189
	Transfers into Level 3				--		--		--
	Transfers out of Level 3				(9,750)		--		--
Fair value, end of period				$	--	$	4,192	$	(953,804)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	--	$	--	$	--
			Investment related gains (losses), net		(183)		--		68,315
			Claims & other policy benefits		--		--		56
			Interest credited		--		--		(102,017)
			Policy acquisition costs and other insurance expenses		--		(33)		--

(1)			The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.

For the three months ended September 30, 2011:				Fixed maturity securities - available-for-sale
							Residential				Commercial
							mortgage-				mortgage-
				Corporate			backed		Asset-backed		backed
				securities			securities		securities		securities
Fair value, beginning of period				$	977,560	$	103,430	$	188,773	$	150,765
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		38		181		271		505
			Investment related gains (losses), net		591		(1,059)		(6,760)		(6,548)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			7,725		44		(1,827)		(14,717)
	Purchases ⁽¹⁾				59,905		454		7,449		--
	Sales⁽¹⁾				(14,415)		--		(5,547)		--
	Settlements⁽¹⁾				(23,677)		(1,447)		(3,172)		--
	Transfers into Level 3				15,947		2,248		10,773		--
	Transfers out of Level 3				(65,855)		(36,941)		(27,417)		(17,026)
Fair value, end of period				$	957,819	$	66,910	$	162,543	$	112,979

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	32	$	181	$	246	$	504
			Investment related gains (losses), net		(708)		(131)		(1,052)		(6,548)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the three months ended September 30, 2011 (continued):				Fixed maturity securities -
				available-for-sale
						Other foreign
				State		government,		Funds withheld
				and political		supranational and		at interest-
				subdivision		foreign government-		embedded
				securities		sponsored enterprises		derivatives
Fair value, beginning of period				$	22,932	$	4,074	$	(173,160)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		(5)		--		--
			Investment related gains (losses), net		(4)		--		(102,574)
			Claims & other policy benefits		--		--		--
			Interest credited		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--
		Included in other comprehensive income			225		--		--
	Purchases⁽¹⁾				--		--		--
	Sales⁽¹⁾				--		--		--
	Settlements⁽¹⁾				(22)		--		--
	Transfers out of Level 3				(13,736)		(4,074)		--
Fair value, end of period				$	9,390	$	--	$	(275,734)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	(5)	$	--	$	--
			Investment related gains (losses), net		--		--		(102,575)
			Claims & other policy benefits		--		--		--
			Interest credited		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--

For the three months ended September 30, 2011 (continued):						Reinsurance		Interest sensitive
				Other invested		ceded receivable-		contract liabilities
				assets- other		embedded		embedded
				equity securities		derivatives		derivatives
Fair value, beginning of period				$	11,001	$	86,029	$	(804,171)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		--		--		--
			Investment related gains (losses), net		--		--		(260,239)
			Claims & other policy benefits		--		--		(1,600)
			Interest credited		--		--		19,598
			Policy acquisition costs and other insurance expenses		--		(3,443)		--
		Included in other comprehensive income			195		--		--
	Purchases⁽¹⁾				--		2,081		(16,063)
	Sales⁽¹⁾				(633)		--		--
	Settlements⁽¹⁾				--		(3,123)		20,862
	Transfers into Level 3				--		--		--
	Transfers out of Level 3				--		--		--
Fair value, end of period				$	10,563	$	81,544	$	(1,041,613)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	--	$	--	$	--
			Investment related gains (losses), net		--		--		(262,552)
			Claims & other policy benefits		--		--		(1,135)
			Interest credited		--		--		(1,265)
			Policy acquisition costs and other insurance expenses		--		(592)		--

(1)			The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.

For the nine months ended September 30, 2011:				Fixed maturity securities - available-for-sale
							Residential				Commercial
							mortgage-				mortgage-
				Corporate			backed		Asset-backed		backed
				securities			securities		securities		securities
Fair value, beginning of period				$	872,179	$	183,291	$	228,558	$	147,556
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		200		674		1,175		1,673
			Investment related gains (losses), net		1,332		(1,460)		(9,588)		(9,280)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--
		Included in other comprehensive income			17,174		4,528		5,586		12,599
	Purchases⁽¹⁾				257,713		6,236		37,328		7,684
	Sales⁽¹⁾				(35,487)		(20,701)		(27,844)		--
	Settlements⁽¹⁾				(99,407)		(13,812)		(20,013)		(3,410)
	Transfers into Level 3				76,627		7,250		32,274		66,854
	Transfers out of Level 3				(132,512)		(99,096)		(84,933)		(110,697)
Fair value, end of period				$	957,819	$	66,910	$	162,543	$	112,979

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	162	$	655	$	1,084	$	1,660
			Investment related gains (losses), net		(1,223)		(175)		(4,603)		(9,292)
			Claims & other policy benefits		--		--		--		--
			Interest credited		--		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--		--

For the nine months ended September 30, 2011 (continued):				Fixed maturity securities -
				available-for-sale
						Other foreign
				State		government,		Funds withheld
				and political		supranational and		at interest-
				subdivision		foreign government-		embedded
				securities		sponsored enterprises		derivatives
Fair value, beginning of period				$	6,983	$	6,736	$	(274,220)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		365		1		--
			Investment related gains (losses), net		(11)		--		(1,514)
			Claims & other policy benefits		--		--		--
			Interest credited		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--
		Included in other comprehensive income			3,839		8		--
	Purchases⁽¹⁾				871		--		--
	Sales⁽¹⁾				--		(161)		--
	Settlements⁽¹⁾				(65)		--		--
	Transfers into Level 3				48,469		21		--
	Transfers out of Level 3				(51,061)		(6,605)		--
Fair value, end of period				$	9,390	$	--	$	(275,734)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	365	$	(36)	$	--
			Investment related gains (losses), net		--		--		(1,514)
			Claims & other policy benefits		--		--		--
			Interest credited		--		--		--
			Policy acquisition costs and other insurance expenses		--		--		--

For the nine months ended September 30, 2011 (continued):				Other invested				Reinsurance		Interest sensitive
				assets- non-		Other invested		ceded receivable-		contract liabilities
				redeemable		assets- other		embedded		embedded
				preferred stock		equity securities		derivatives		derivatives
Fair value, beginning of period				$	420	$	16,416	$	75,431	$	(721,485)
	Total gains/losses (realized/unrealized)
		Included in earnings, net:
			Investment income, net of related expenses		--		--		--		--
			Investment related gains (losses), net		--		3,504		--		(253,445)
			Claims & other policy benefits		--		--		--		(1,283)
			Interest credited		--		--		--		(66,519)
			Policy acquisition costs and other insurance expenses		--		--		8,869		--
		Included in other comprehensive income			--		(4,792)		--		--
	Purchases⁽¹⁾				--		--		6,345		(57,283)
	Sales⁽¹⁾				(420)		(4,565)		--		--
	Settlements⁽¹⁾				--		--		(9,101)		58,402
	Transfers into Level 3				--		--		--		--
	Transfers out of Level 3				--		--		--		--
Fair value, end of period				$	--	$	10,563	$	81,544	$	(1,041,613)

Unrealized gains and losses recorded in earnings for the period relating to those Level 3 assets and liabilities that were still held at the end of the period
		Included in earnings, net:
			Investment income, net of related expenses	$	--	$	--	$	--	$	--
			Investment related gains (losses), net		--		--		--		(255,758)
			Claims & other policy benefits		--		--		--		(1,151)
			Interest credited		--		--		--		(124,920)
			Policy acquisition costs and other insurance expenses		--		--		17,892		--

(1)			The amount reported within purchases, sales and settlements is the purchase price (for purchases) and the sales/settlement proceeds (for sales and settlements) based upon the actual date purchased or sold/settled. Items purchased and sold/settled in the same period are excluded from the rollforward. The Company had no issuances during the period.

Financial Instruments Carrying Amounts And Estimated Fair Value [Text Block]

September 30, 2012					Estimated Fair	Fair Value Measurement Using:
			Carrying Value		Value		Level 1	Level 2		Level 3
Assets:
	Mortgage loans on real estate	$	2,256,881	$	2,383,088	$	--	$	--	$	2,383,088
	Policy loans		1,243,498		1,243,498		--		1,243,498		--
	Funds withheld at interest⁽¹⁾		5,929,140		6,399,803		--		--		6,399,803
	Cash and cash equivalents⁽²⁾		578,320		578,320		578,320		--		--
	Short-term investments⁽²⁾		46,233		46,233		46,233		--		--
	Other invested assets⁽²⁾		604,495		629,905		--		18,900		611,005
	Accrued investment income		250,048		250,048		--		250,048		--
Liabilities:
	Interest-sensitive contract liabilities⁽¹⁾	$	11,404,136	$	11,597,198	$	--	$	--	$	11,597,198
	Long-term debt		1,815,111		1,958,231		--		--		1,958,231
	Collateral finance facility		651,968		443,020		--		--		443,020

December 31, 2011:						Estimated Fair
				Carrying Value	Value
Assets:
	Mortgage loans on real estate		$	991,731	$	1,081,924
	Policy loans			1,260,400		1,260,400
	Funds withheld at interest⁽¹⁾			5,771,880		6,041,984
	Cash and cash equivalents⁽²⁾			458,348		458,348
	Short-term investments⁽²⁾			41,895		41,895
	Other invested assets⁽²⁾			500,681		503,293
	Accrued investment income			144,334		144,334
Liabilities:
	Interest-sensitive contract liabilities⁽¹⁾		$	6,203,001	$	6,307,779
	Long-term debt			1,414,688		1,462,329
	Collateral finance facility			652,032		390,900

(1)		Carrying values presented herein differ from those presented in the condensed consolidated balance sheets because certain items within the respective financial statement caption are embedded derivatives and are measured at fair value on a recurring basis.

(2)		Carrying values presented herein differ from those presented in the condensed consolidated balance sheets because certain items within the respective financial statement caption are measured at fair value on a recurring basis.

Segment Information (Tables)

9 Months Ended

Sep. 30, 2012

Segment Information [Abstract]

Reconciliation Of Revenue From Segments To Consolidated Text Block

	Three months ended September 30,				Nine months ended September 30,
Total revenues:	2012		2011		2012		2011
U.S.	$	1,446,834	$	1,017,413	$	4,141,202	$	3,625,956
Canada		287,629		249,924		839,491		780,549
Europe & South Africa		323,225		300,492		955,505		877,880
Asia Pacific		364,516		358,115		1,101,934		1,044,103
Corporate and Other		26,877		68,963		79,677		152,831
Total	$	2,449,081	$	1,994,907	$	7,117,809	$	6,481,319

Reconciliation Of Operating Profit Loss From Segments To Consolidated Text Block

	Three months ended September 30,				Nine months ended September 30,
Income (loss) before income taxes:	2012		2011		2012		2011
U.S.	$	156,678	$	31,091	$	390,009	$	292,937
Canada		37,520		43,711		127,613		117,712
Europe & South Africa		32,166		12,029		58,363		47,089
Asia Pacific		(16,483)		25,644		39,443		51,946
Corporate and Other		(8,402)		43,921		(17,294)		60,636
Total	$	201,479	$	156,396	$	598,134	$	570,320

Reconciliation Of Assets From Segment To Consolidated Text Block


Total Assets:	September 30, 2012		December 31, 2011
U.S.	$	25,080,586	$	17,965,559
Canada		3,668,540		3,347,771
Europe & South Africa		2,020,324		1,846,751
Asia Pacific		3,010,230		2,902,101
Corporate and Other		6,144,333		5,571,791
Total	$	39,924,013	$	31,633,973

Income Tax (Tables)

9 Months Ended

Sep. 30, 2012

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

			Three months ended September 30,				Nine months ended September 30,
			2012		2011		2012		2011
Tax provision at U.S. statutory rate			$	70,517	$	54,739	$	209,347	$	199,612
Increase (decrease) in income taxes resulting from:
	Foreign tax rate differing from U.S. tax rate			(3,174)		(4,382)		(10,063)		(9,583)
	Differences in tax basis in foreign jurisdictions			(5,073)		(1,604)		(7,991)		(4,550)
	Subpart F income			943		--		6,015		--
	Travel and entertainment			111		147		350		396
	Deferred tax valuation allowance			105		--		250		795
	Amounts related to audit contingencies			(747)		984		1,276		4,499
	Change in cash surrender value of insurance policies			(164)		756		(907)		173
	Canadian corporate rate reduction			330		(30,687)		(1,319)		(30,687)
	Prior year tax adjustment			(4,869)		1,778		(6,013)		1,784
	Other, net			(975)		63		(1,715)		415
		Total provision for income taxes	$	57,004	$	21,794	$	189,230	$	162,854

Effective tax rate				28.3%		13.9%		31.6%		28.6%

Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2012

Employee Benefit Plans [Abstract]

Schedule Of Defined Benefit Plans Disclosures Text Block

	Three months ended September 30,				Nine months ended September 30,
	2012		2011		2012		2011
Net periodic pension benefit cost:
Service cost	$	1,910	$	1,312	$	5,638	$	4,324
Interest cost		1,065		971		3,135		2,913
Expected return on plan assets		(766)		(734)		(2,299)		(2,203)
Amortization of prior service cost		102		195		288		296
Amortization of prior actuarial loss		851		658		2,514		1,160
Total	$	3,162	$	2,402	$	9,276	$	6,490

Net periodic other benefits cost:
Service cost	$	673	$	413	$	1,231	$	837
Interest cost		418		335		935		776
Expected return on plan assets		--		--		--		--
Amortization of prior service cost		--		--		--		--
Amortization of prior actuarial loss		380		147		557		265
Total	$	1,471	$	895	$	2,723	$	1,878

- Definition

Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5, 6, 7
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 158
-Paragraph 4, 7, 16, 20, 21
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
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-Paragraph 17
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-Name Accounting Standards Codification
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Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Organization and Basis of Presentation (Details) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2011
Policy Acquisition Costs And Other Insurance Expenses [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount before Application	$ 149,228,000	$ 741,663,000
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount of Application Adjustment	15,144,000	43,475,000
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount after Application	164,372,000	785,138,000
Income Before Income Taxes [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount before Application	171,540,000	613,795,000
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount of Application Adjustment	(15,144,000)	(43,475,000)
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount after Application	156,396,000	570,320,000
Provision For Income Taxes [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount before Application	24,155,000	172,706,000
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount of Application Adjustment	(2,361,000)	(9,852,000)
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount after Application	21,794,000	162,854,000
Net Income [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount before Application	147,385,000	441,089,000
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount of Application Adjustment	(12,783,000)	(33,623,000)
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount after Application	134,602,000	407,466,000
Basic Earnings Per Share [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount before Application	2.00	5.99
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount of Application Adjustment	(0.18)	(0.46)
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount after Application	1.82	5.53
Diluted Earnings Per Share [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount before Application	1.98	5.94
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount of Application Adjustment	(0.17)	(0.45)
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount after Application	$ 1.81	5.49
Change In Operating Assets And Liabilities Deferred Policy Acquisition Costs [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount before Application		(104,267,000)
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount of Application Adjustment		43,475,000
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount after Application		(60,792,000)
Change In Operating Assets And Liabilities Deferred Income Taxes [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount before Application		68,059,000
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount of Application Adjustment		(9,852,000)
Retrospective Effect of Change in Accounting Principle, Tabular Presentation by Financial Statement Line Item, Amount after Application		$ 58,207,000

Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
Earnings Per Share (Details) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Earnings:
Net income (numerator for basic and diluted calculations)	$ 144,475,000	$ 134,602,000	$ 408,904,000	$ 407,466,000
Shares:
Weighted average outstanding shares (denominator for basic calculation)	73,776,000	73,856,000	73,690,000	73,680,000
Equivalent shares from outstanding stock options	362,000	398,000	388,000	527,000
Denominator for diluted calculation	74,138,000	74,254,000	74,078,000	74,207,000
Earnings Per Share:
Basic earning per share	$ 1.96	$ 1.82	$ 5.55	$ 5.53
Diluted earnings per share	$ 1.95	$ 1.81	$ 5.52	$ 5.49

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 36, 37, 38
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 5
-Section 03
-Paragraph 20

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
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-Section 04
-Article 7
-Paragraph 18

Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
-Number 210
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-Number 07-4
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References + Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References + Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 171
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Emerging Issues Task Force (EITF)
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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Earnings Per Share (Narrative) - shares	9 Months Ended
Earnings Per Share (Narrative) - shares	Sep. 30, 2012	Sep. 30, 2011
Stock Options Member
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount	700,000	1,100,000
Contingently Issuable Shares Member
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount	700,000	800,000

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 13, 14
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 171
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 128
-Paragraph 40
-Subparagraph c
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Diluted Earnings Per Share
-URI http://asc.fasb.org/extlink&oid=6510752

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Contingent Stock Agreement
-URI http://asc.fasb.org/extlink&oid=6508534

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Antidilution
-URI http://asc.fasb.org/extlink&oid=6505113

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Emerging Issues Task Force (EITF)
-Number 07-4
-Paragraph 4
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Comprehensive Income (Details) - USD ($)	9 Months Ended
Comprehensive Income (Details) - USD ($)	Sep. 30, 2012	Sep. 30, 2011
Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items]
Balance, Beginning of Period	$ 1,618,153,000	$ 892,184,000
Change in component during the period	533,494,000	403,607,000
Balance, End of Period	2,151,647,000	1,295,791,000
Accumulated Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items]
Balance, Beginning of Period	229,795,000	255,295,000
Change in component during the period	43,463,000	(65,948,000)
Balance, End of Period	273,258,000	189,347,000
Unrealized Appreciation Of Securities [Member]
Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items]
Balance, Beginning of Period	1,419,318,000	651,449,000
Change in component during the period	488,194,000	468,275,000
Balance, End of Period	1,907,512,000	1,119,724,000
Pension And Postretirement Benefits [Member]
Accumulated Other Comprehensive Income Loss Net Of Tax [Line Items]
Balance, Beginning of Period	(30,960,000)	(14,560,000)
Change in component during the period	1,837,000	1,280,000
Balance, End of Period	$ (29,123,000)	$ (13,280,000)

- Definition

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

+ References

+ Details

Investments (Details) - USD ($)	3 Months Ended		9 Months Ended
Investments (Details) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Major Categories Of Investment Income Net of Expenses [Line Items]
Investment Revenue	$ 406,601,000	$ 275,048,000	$ 1,094,696,000	$ 997,840,000
Investment Income Investment Expense	9,820,000	6,838,000	28,641,000	21,154,000
Investment income, net of related expenses	396,781,000	268,210,000	1,066,055,000	976,686,000
Availableforsale Securities Member
Major Categories Of Investment Income Net of Expenses [Line Items]
Investment Revenue	221,212,000	190,990,000	633,110,000	566,581,000
Mortgage Loans On Real Estate Member
Major Categories Of Investment Income Net of Expenses [Line Items]
Investment Revenue	26,938,000	14,474,000	67,258,000	41,801,000
Policy Loans Member
Major Categories Of Investment Income Net of Expenses [Line Items]
Investment Revenue	16,519,000	16,454,000	49,637,000	49,549,000
Funds Withheld At Interest [Member]
Major Categories Of Investment Income Net of Expenses [Line Items]
Investment Revenue	127,855,000	41,267,000	305,861,000	306,028,000
Short Term Investments Member
Major Categories Of Investment Income Net of Expenses [Line Items]
Investment Revenue	960,000	393,000	3,027,000	2,201,000
Other Aggregated Investments Member
Major Categories Of Investment Income Net of Expenses [Line Items]
Investment Revenue	$ 13,117,000	$ 11,470,000	$ 35,803,000	$ 31,680,000

Investments (Details 1) - USD ($)	3 Months Ended		9 Months Ended
Investments (Details 1) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Investment Gains And Losses [Abstract]
Other-than-temporary impairments on fixed maturity securities	$ 1,996,000	$ 11,911,000	$ 11,562,000	$ 19,049,000
Portion of loss recognized in accumulated other comprehensive income (before taxes)	(559,000)	3,089,000	(7,618,000)	3,381,000
Net other-than-temporary impairment losses on fixed maturities recognized in earnings	2,555,000	8,822,000	19,180,000	15,668,000
Impairment Losses On Equity Securities	0	0	(3,025,000)	(3,680,000)
Gain on investment activity	53,173,000	34,840,000	102,078,000	92,423,000
Loss on investment activity	(6,668,000)	(7,182,000)	(23,090,000)	(20,749,000)
Other impairment losses	(10,301,000)	(2,370,000)	(14,382,000)	(4,980,000)
Derivatives And Other Investments Net	42,404,000	(156,066,000)	100,973,000	(35,938,000)
Net gains (losses)	$ 76,053,000	$ (139,600,000)	$ 143,374,000	$ 11,408,000

Investments (Details 2) - USD ($)	3 Months Ended		9 Months Ended
Investments (Details 2) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Other Than Temporary Impairment Credit Losses Recognized In Earnings Roll Forward
Balance, beginning of period	$ 45,903,000	$ 52,484,000	$ 63,947,000	$ 47,291,000
Initial impairments - credit loss OTTI recognized on securities not previously impaired	0	5,259,000	1,962,000	6,731,000
Additional impairments - credit loss OTTI recognized on securities previously impaired	1,306,000	2,432,000	10,187,000	6,871,000
Other Than Temporary Impairments Credit Losses On Securities Impaired To Fair Value	(2,622,000)	0	(22,291,000)	0
Credit loss impairments previously recognized on securities which were sold during the period	(20,725,000)	(752,000)	(29,943,000)	(1,470,000)
Balance, end of period	$ 23,862,000	$ 59,423,000	$ 23,862,000	$ 59,423,000

Investments (Details 3) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 10,885,071,000	$ 6,931,958,000
Available For Sale Securities Gross Unrealized Losses	153,700,000	292,486,000
Available For Sale Securities Fair Value Disclosure	$ 11,899,722,000	$ 7,461,106,000
Percentage Of Total Available For Sale Securities	100.00%	100.00%
Fixed Maturities Member
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 18,905,283,000	$ 14,182,880,000
Available For Sale Securities Gross Unrealized Gain	2,905,997,000	2,300,036,000
Available For Sale Securities Gross Unrealized Losses	152,866,000	281,966,000
Available For Sale Securities Fair Value Disclosure	21,658,414,000	16,200,950,000
Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities	$ (8,883,000)	$ (18,523,000)
Percentage Of Total Available For Sale Securities	100.00%	100.00%
Equity Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 202,219,000	$ 117,840,000
Available For Sale Securities Gross Unrealized Gain	7,887,000	6,580,000
Available For Sale Securities Gross Unrealized Losses	834,000	10,520,000
Available For Sale Securities Fair Value Disclosure	$ 209,272,000	$ 113,900,000
Percentage Of Total Available For Sale Securities	100.00%	100.00%
Corporate Debt Securities Member \| Fixed Maturities Member
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 10,885,071,000	$ 6,931,958,000
Available For Sale Securities Gross Unrealized Gain	1,059,275,000	654,519,000
Available For Sale Securities Gross Unrealized Losses	44,624,000	125,371,000
Available For Sale Securities Fair Value Disclosure	11,899,722,000	7,461,106,000
Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities	$ 0	$ 0
Percentage Of Total Available For Sale Securities	55.00%	46.00%
Canadian Provincial Governments [Member] \| Fixed Maturities Member
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 2,653,761,000	$ 2,507,802,000
Available For Sale Securities Gross Unrealized Gain	1,438,124,000	1,362,160,000
Available For Sale Securities Gross Unrealized Losses	2,000	29,000
Available For Sale Securities Fair Value Disclosure	4,091,883,000	3,869,933,000
Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities	$ 0	$ 0
Percentage Of Total Available For Sale Securities	18.90%	23.90%
Residential Mortgage Backed Securities Member \| Fixed Maturities Member
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 980,655,000	$ 1,167,265,000
Available For Sale Securities Gross Unrealized Gain	80,614,000	76,393,000
Available For Sale Securities Gross Unrealized Losses	5,461,000	16,424,000
Available For Sale Securities Fair Value Disclosure	1,055,808,000	1,227,234,000
Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities	$ (477,000)	$ (1,042,000)
Percentage Of Total Available For Sale Securities	4.90%	7.60%
Asset Backed Securities Member \| Fixed Maturities Member
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 588,851,000	$ 443,974,000
Available For Sale Securities Gross Unrealized Gain	18,050,000	11,692,000
Available For Sale Securities Gross Unrealized Losses	34,201,000	53,675,000
Available For Sale Securities Fair Value Disclosure	572,700,000	401,991,000
Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities	$ (2,295,000)	$ (5,256,000)
Percentage Of Total Available For Sale Securities	2.60%	2.50%
Commercial Mortgage Backed Securities Member \| Fixed Maturities Member
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 1,663,493,000	$ 1,233,958,000
Available For Sale Securities Gross Unrealized Gain	137,153,000	87,750,000
Available For Sale Securities Gross Unrealized Losses	60,255,000	79,489,000
Available For Sale Securities Fair Value Disclosure	1,740,391,000	1,242,219,000
Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities	$ (6,111,000)	$ (12,225,000)
Percentage Of Total Available For Sale Securities	8.00%	7.70%
US Government And Government Agencies And Authorities Member \| Fixed Maturities Member
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 251,417,000	$ 341,087,000
Available For Sale Securities Gross Unrealized Gain	33,458,000	32,976,000
Available For Sale Securities Gross Unrealized Losses	18,000	61,000
Available For Sale Securities Fair Value Disclosure	284,857,000	374,002,000
Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities	$ 0	$ 0
Percentage Of Total Available For Sale Securities	1.30%	2.30%
US States And Political Subdivisions Member \| Fixed Maturities Member
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 254,845,000	$ 184,308,000
Available For Sale Securities Gross Unrealized Gain	38,784,000	24,419,000
Available For Sale Securities Gross Unrealized Losses	6,212,000	3,341,000
Available For Sale Securities Fair Value Disclosure	287,417,000	205,386,000
Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities	$ 0	$ 0
Percentage Of Total Available For Sale Securities	1.30%	1.30%
Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises \| Fixed Maturities Member
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 1,627,190,000	$ 1,372,528,000
Available For Sale Securities Gross Unrealized Gain	100,539,000	50,127,000
Available For Sale Securities Gross Unrealized Losses	2,093,000	3,576,000
Available For Sale Securities Fair Value Disclosure	1,725,636,000	1,419,079,000
Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment Not Credit Loss Net Of Tax Availableforsale Debt Securities	$ 0	$ 0
Percentage Of Total Available For Sale Securities	8.00%	0.00%
Nonredeemable Preferred Stock Member \| Equity Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 69,182,000	$ 82,488,000
Available For Sale Securities Gross Unrealized Gain	6,332,000	4,677,000
Available For Sale Securities Gross Unrealized Losses	834,000	8,982,000
Available For Sale Securities Fair Value Disclosure	$ 74,680,000	$ 78,183,000
Percentage Of Total Available For Sale Securities	35.70%	68.60%
Equity Securities Other Member \| Equity Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available For Sale Securities Amortized Cost	$ 133,037,000	$ 35,352,000
Available For Sale Securities Gross Unrealized Gain	1,555,000	1,903,000
Available For Sale Securities Gross Unrealized Losses	0	1,538,000
Available For Sale Securities Fair Value Disclosure	$ 134,592,000	$ 35,717,000
Percentage Of Total Available For Sale Securities	64.30%	31.40%

Investments (Details 4) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Available For Sale Securities Debt Maturities Amortized Cost
Due in one year or less	$ 247,507,000
Due after one year through five years	3,767,244,000
Due after five year through ten years	6,172,841,000
Due after ten years	5,484,692,000
Asset and mortgage-backed securities	3,232,999,000
Total	18,905,283,000	$ 14,182,880,000
Available For Sale Securities Debt Maturities Fair Value
Due in one year or less	251,672,000
Due after one year through five years	3,950,306,000
Due after five year through ten years	6,757,674,000
Due after ten years	7,329,863,000
Asset and mortgage-backed securities	3,368,899,000
Total	$ 21,658,414,000	$ 16,200,950,000

Investments (Details 5) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Corporate Secturities by Investment Sector And Credit Rating [Line Items]
Available For Sale Securities Amortized Cost	$ 10,885,071,000	$ 6,931,958,000
Available For Sale Securities Fair Value Disclosure	$ 11,899,722,000	$ 7,461,106,000
Percentage Of Total Available For Sale Securities	100.00%	100.00%
Finance Industry [Member]
Corporate Secturities by Investment Sector And Credit Rating [Line Items]
Available For Sale Securities Amortized Cost	$ 3,551,382,000	$ 2,411,175,000
Available For Sale Securities Fair Value Disclosure	$ 3,802,951,000	$ 2,442,149,000
Percentage Of Total Available For Sale Securities	32.00%	32.70%
Industrial [Member]
Corporate Secturities by Investment Sector And Credit Rating [Line Items]
Available For Sale Securities Amortized Cost	$ 5,583,541,000	$ 3,402,099,000
Available For Sale Securities Fair Value Disclosure	$ 6,146,069,000	$ 3,760,187,000
Percentage Of Total Available For Sale Securities	51.60%	50.40%
Utility Industry [Member]
Corporate Secturities by Investment Sector And Credit Rating [Line Items]
Available For Sale Securities Amortized Cost	$ 1,715,512,000	$ 1,115,384,000
Available For Sale Securities Fair Value Disclosure	$ 1,914,809,000	$ 1,255,090,000
Percentage Of Total Available For Sale Securities	16.10%	16.90%
Other Industry [Member]
Corporate Secturities by Investment Sector And Credit Rating [Line Items]
Available For Sale Securities Amortized Cost	$ 34,636,000	$ 3,300,000
Available For Sale Securities Fair Value Disclosure	$ 35,893,000	$ 3,680,000
Percentage Of Total Available For Sale Securities	0.30%	0.00%

- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

+ References + Details

Investments (Details 6) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 10,885,071,000	$ 6,931,958,000
Available For Sale Securities Fair Value Disclosure	11,899,722,000	7,461,106,000
Australia [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	454,131,000	437,713,000
Available For Sale Securities Fair Value Disclosure	$ 470,628,000	$ 446,694,000
Percentage Of Total Available For Sales Securities	33.30%	39.10%
Japan [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 221,977,000	$ 214,994,000
Available For Sale Securities Fair Value Disclosure	$ 228,478,000	$ 219,276,000
Percentage Of Total Available For Sales Securities	16.20%	19.20%
United Kingdom [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 129,960,000	$ 118,618,000
Available For Sale Securities Fair Value Disclosure	$ 140,478,000	$ 130,106,000
Percentage Of Total Available For Sales Securities	10.00%	11.40%
Germany [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 42,360,000	$ 72,926,000
Available For Sale Securities Fair Value Disclosure	$ 45,229,000	$ 75,741,000
Percentage Of Total Available For Sales Securities	3.20%	6.60%
New Zealand [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 54,077,000	$ 51,547,000
Available For Sale Securities Fair Value Disclosure	$ 54,716,000	$ 51,544,000
Percentage Of Total Available For Sales Securities	3.90%	4.50%
South Africa [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 63,037,000	$ 37,624,000
Available For Sale Securities Fair Value Disclosure	$ 67,240,000	$ 38,528,000
Percentage Of Total Available For Sales Securities	4.80%	3.40%
South Korea [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 41,396,000	$ 30,592,000
Available For Sale Securities Fair Value Disclosure	$ 44,619,000	$ 32,025,000
Percentage Of Total Available For Sales Securities	3.20%	2.80%
France [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 38,694,000
Available For Sale Securities Fair Value Disclosure	$ 41,945,000
Percentage Of Total Available For Sales Securities	3.00%
Cayman Islands [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 69,333,000
Available For Sale Securities Fair Value Disclosure	$ 76,661,000
Percentage Of Total Available For Sales Securities	5.40%
Other [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 215,586,000	$ 139,927,000
Available For Sale Securities Fair Value Disclosure	$ 240,896,000	$ 148,792,000
Percentage Of Total Available For Sales Securities	17.00%	13.00%
Combined Sovereign Debt [Member]
Sovereign Fixed Maturity By Country [Line Items]
Available For Sale Securities Amortized Cost	$ 1,330,551,000	$ 1,103,941,000
Available For Sale Securities Fair Value Disclosure	$ 1,410,890,000	$ 1,142,706,000
Percentage Of Total Available For Sales Securities	100.00%	100.00%

Investments (Details 7) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Non-Sovereign Fixed Maturity and Equity Securities in European Peripheral Region [Line Items]
Available For Sale Securities Amortized Cost	$ 10,885,071,000	$ 6,931,958,000
Available For Sale Securities Fair Value Disclosure	11,899,722,000	7,461,106,000
Combined European Peripheral Region [Member]
Non-Sovereign Fixed Maturity and Equity Securities in European Peripheral Region [Line Items]
Available For Sale Securities Amortized Cost	91,372,000	79,480,000
Available For Sale Securities Fair Value Disclosure	$ 92,719,000	$ 73,869,000
Percentage Of Total Available For Sales Securities	100.00%	100.00%
Finance Industry [Member]
Non-Sovereign Fixed Maturity and Equity Securities in European Peripheral Region [Line Items]
Available For Sale Securities Amortized Cost	$ 26,939,000	$ 29,649,000
Available For Sale Securities Fair Value Disclosure	$ 27,272,000	$ 24,775,000
Percentage Of Total Available For Sales Securities	29.40%	33.50%
Finance Industry [Member] \| Ireland [Member]
Non-Sovereign Fixed Maturity and Equity Securities in European Peripheral Region [Line Items]
Available For Sale Securities Amortized Cost	$ 3,592,000	$ 4,084,000
Available For Sale Securities Fair Value Disclosure	$ 4,057,000	$ 4,397,000
Percentage Of Total Available For Sales Securities	4.40%	5.90%
Finance Industry [Member] \| Spain [Member]
Non-Sovereign Fixed Maturity and Equity Securities in European Peripheral Region [Line Items]
Available For Sale Securities Amortized Cost	$ 23,347,000	$ 25,565,000
Available For Sale Securities Fair Value Disclosure	$ 23,215,000	$ 20,378,000
Percentage Of Total Available For Sales Securities	25.00%	27.60%
Other Industry [Member]
Non-Sovereign Fixed Maturity and Equity Securities in European Peripheral Region [Line Items]
Available For Sale Securities Amortized Cost	$ 64,433,000	$ 49,831,000
Available For Sale Securities Fair Value Disclosure	$ 65,447,000	$ 49,094,000
Percentage Of Total Available For Sales Securities	70.60%	66.50%
Other Industry [Member] \| Ireland [Member]
Non-Sovereign Fixed Maturity and Equity Securities in European Peripheral Region [Line Items]
Available For Sale Securities Amortized Cost	$ 26,346,000	$ 12,474,000
Available For Sale Securities Fair Value Disclosure	$ 27,528,000	$ 13,149,000
Percentage Of Total Available For Sales Securities	29.70%	17.80%
Other Industry [Member] \| Italy [Member]
Non-Sovereign Fixed Maturity and Equity Securities in European Peripheral Region [Line Items]
Available For Sale Securities Amortized Cost	$ 6,393,000	$ 2,898,000
Available For Sale Securities Fair Value Disclosure	$ 6,394,000	$ 2,808,000
Percentage Of Total Available For Sales Securities	6.90%	3.80%
Other Industry [Member] \| Spain [Member]
Non-Sovereign Fixed Maturity and Equity Securities in European Peripheral Region [Line Items]
Available For Sale Securities Amortized Cost	$ 31,694,000	$ 34,459,000
Available For Sale Securities Fair Value Disclosure	$ 31,525,000	$ 33,137,000
Percentage Of Total Available For Sales Securities	34.00%	44.90%

Investments (Details 8) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Gross unrealized losses with number of securities [Line Items]
Available For Sale Securities Gross Unrealized Losses	$ 153,700,000	$ 292,486,000
Percentage Of Total Gross Unrealized Losses For Fixed Maturity And Equity Securities	100.00%	100.00%
Less Than 20 Percent [Member]
Gross unrealized losses with number of securities [Line Items]
Available For Sale Securities Gross Unrealized Losses	$ 55,930,000	$ 131,155,000
Percentage Of Total Gross Unrealized Losses For Fixed Maturity And Equity Securities	36.40%	44.80%
More Than Or Equal To 20 Percent For Less Than Six Months [Member]
Gross unrealized losses with number of securities [Line Items]
Available For Sale Securities Gross Unrealized Losses	$ 509,000	$ 51,503,000
Percentage Of Total Gross Unrealized Losses For Fixed Maturity And Equity Securities	0.30%	17.60%
More Than Or Equal To 20 Percent For Six Months Or Greater [Member]
Gross unrealized losses with number of securities [Line Items]
Available For Sale Securities Gross Unrealized Losses	$ 97,261,000	$ 109,828,000
Percentage Of Total Gross Unrealized Losses For Fixed Maturity And Equity Securities	63.30%	37.60%

Investments (Details 9) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	$ 61,400,000	$ 68,600,000
Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	848,953,000	1,581,692,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	17,933,000	73,831,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	513,139,000	667,783,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	134,933,000	208,135,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	1,362,092,000	2,249,475,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	152,866,000	281,966,000
Equity Securities [Member]
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	734,000	21,178,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	6,000	5,080,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	6,744,000	21,599,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	828,000	5,440,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	7,478,000	42,777,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	834,000	10,520,000
External Credit Rating Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	695,129,000	1,304,417,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	13,056,000	53,879,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	366,401,000	526,382,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	67,240,000	128,295,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	1,061,530,000	1,830,799,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	80,296,000	182,174,000
External Credit Rating Non Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	153,824,000	277,275,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	4,877,000	19,952,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	146,738,000	141,401,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	67,693,000	79,840,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	300,562,000	418,676,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	72,570,000	99,792,000
Corporate Debt Securities Member \| External Credit Rating Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	436,908,000	790,758,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	7,947,000	40,180,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	168,366,000	286,244,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	26,006,000	63,117,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	605,274,000	1,077,002,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	33,953,000	103,297,000
Corporate Debt Securities Member \| External Credit Rating Non Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	133,893,000	212,795,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	4,330,000	10,852,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	63,817,000	47,310,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	6,341,000	11,222,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	197,710,000	260,105,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	10,671,000	22,074,000
US Government Agencies Debt Securities Member \| External Credit Rating Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	6,715,000	1,764,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	18,000	61,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	0	0
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	0	0
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	6,715,000	1,764,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	18,000	61,000
US States And Political Subdivisions Member \| External Credit Rating Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	2,885,000	21,045,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	1,272,000	1,845,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	18,409,000	12,273,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	4,940,000	1,268,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	21,294,000	33,318,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	6,212,000	3,113,000
US States And Political Subdivisions Member \| External Credit Rating Non Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	0	4,000,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	0	228,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	0	0
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	0	0
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	0	4,000,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	0	228,000
Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises \| External Credit Rating Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	53,671,000	148,416,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	1,068,000	1,085,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	16,589,000	16,588,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	1,025,000	2,491,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	70,260,000	165,004,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	2,093,000	3,576,000
Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises \| External Credit Rating Non Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	0
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	0
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	0
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	0
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	0
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	0
Commercial Mortgage Backed Securities Member \| External Credit Rating Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	117,736,000	109,455,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	1,350,000	3,538,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	40,110,000	58,979,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	9,546,000	22,001,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	157,846,000	168,434,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	10,896,000	25,539,000
Commercial Mortgage Backed Securities Member \| External Credit Rating Non Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	12,157,000	34,918,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	492,000	7,220,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	60,373,000	62,357,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	48,867,000	46,730,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	72,530,000	97,275,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	49,359,000	53,950,000
Residential Mortgage Backed Securities Member \| External Credit Rating Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	21,365,000	128,622,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	113,000	3,549,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	21,236,000	58,388,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	4,763,000	10,382,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	42,601,000	187,010,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	4,876,000	13,931,000
Residential Mortgage Backed Securities Member \| External Credit Rating Non Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	7,774,000	23,199,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	55,000	712,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	4,304,000	10,459,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	530,000	1,781,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	12,078,000	33,658,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	585,000	2,493,000
Asset Backed Securities Member \| External Credit Rating Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	55,260,000	101,263,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	1,286,000	3,592,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	101,691,000	93,910,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	20,960,000	29,036,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	156,951,000	195,173,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	22,246,000	32,628,000
Asset Backed Securities Member \| External Credit Rating Non Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	0	2,363,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	0	940,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	18,244,000	21,275,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	11,955,000	20,107,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	18,244,000	23,638,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	11,955,000	21,047,000
Canadian Provincial Governments [Member] \| External Credit Rating Investment Grade Member \| Fixed Maturities Member
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	589,000	3,094,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	2,000	29,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	0	0
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	0	0
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	589,000	3,094,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	2,000	29,000
Nonredeemable Preferred Stock Member \| Equity Securities [Member]
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	734,000	19,516,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	6,000	4,478,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	6,744,000	15,694,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	828,000	4,504,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	7,478,000	35,210,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	834,000	8,982,000
Equity Securities Other Member \| Equity Securities [Member]
Estimated Fair Values And Gross Unrealized Losses, OTTI Impairment Losses Reported In AOCI [Line Items]
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value	0	1,662,000
Available For Sale Securities Continuous Unrealized Loss Position Less Than 12 Months Aggregate Losses 1	0	602,000
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value	0	5,905,000
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	0	936,000
Available For Sale Securities Continuous Unrealized Loss Position Fair Value	0	7,567,000
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses 1	$ 0	$ 1,538,000

Investments (Details 10)	Sep. 30, 2012 USD ($)
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities [Abstract]
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Outstanding Balance	$ 36,090,000
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Carrying Amount, Net	$ 31,196,000

Investments (Details 11)	Sep. 30, 2012 USD ($)
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired During Period [Abstract]
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired During Period, Contractually Required Payments Receivable at Acquisition	$ 50,268,000
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition	42,316,000
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Acquired During Period, at Acquisition, at Fair Value	$ 30,853,000

Investments (Details 12)	9 Months Ended
Investments (Details 12)	Sep. 30, 2012 USD ($)
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance, beginning of period	$ 0
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Accretable Yield, Additions	11,463,000
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Accretable Yield, Accretion	(6,000)
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Accretable Yield, Disposals of Loans	0
Certain Loans Acquired in Transfer Accounted for as Available-for-sale Debt Securities, Accretable Yield, Reclassifications to Nonaccretable Difference	0
Balance, end of period	$ 11,457,000

Investments (Details 13) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Mortgage Loans Property Type Indicators [Line Items]
Loans Receivable Commercial Real Estate	$ 2,270,214,000	$ 1,003,524,000
Apartment [Member]
Mortgage Loans Property Type Indicators [Line Items]
Loans Receivable Commercial Real Estate	$ 238,365,000	$ 124,674,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	10.50%	12.40%
Retail [Member]
Mortgage Loans Property Type Indicators [Line Items]
Loans Receivable Commercial Real Estate	$ 618,896,000	$ 335,745,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	27.30%	33.50%
Office Building [Member]
Mortgage Loans Property Type Indicators [Line Items]
Loans Receivable Commercial Real Estate	$ 803,889,000	$ 264,584,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	35.40%	26.40%
Industrial [Member]
Mortgage Loans Property Type Indicators [Line Items]
Loans Receivable Commercial Real Estate	$ 454,215,000	$ 200,762,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	20.00%	20.00%
Other Commercial [Member]
Mortgage Loans Property Type Indicators [Line Items]
Loans Receivable Commercial Real Estate	$ 154,849,000	$ 77,759,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	6.80%	7.70%

- Definition

Reflects the sum of the gross carrying amounts of unpaid loans issued to businesses to acquire, develop, construct, improve, or refinance land or a building. Includes [but is not limited to] commercial mortgage loans, which are secured by a [legal] security interest in real property [commercial building or business real property] which thereby serves as collateral securing repayment of the loan; and construction financing, which is an obligation generally in the form of a [promissory] note, used for the funding of construction projects.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 60
-Paragraph 47
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 01-6
-Paragraph 13
-Subparagraph e
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 9
-Section 03
-Paragraph 7
-Subparagraph a

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 8
-Paragraph 51, 52, 53
-IssueDate 2006-05-01
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5066-111524

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(a))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(c))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Investments (Details 14) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 2,270,214,000	$ 1,003,524,000
Pacific [Member]
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 613,425,000	$ 269,922,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	27.00%	26.10%
South Atlantic [Member]
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 470,722,000	$ 233,534,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	20.70%	24.40%
Mountain [Member]
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 198,443,000	$ 116,224,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	8.70%	11.10%
Middle Atlantic [Member]
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 311,192,000	$ 86,590,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	13.70%	9.40%
West North Central [Member]
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 155,745,000	$ 69,789,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	6.90%	7.90%
East North Central [Member]
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 221,085,000	$ 92,861,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	9.70%	6.60%
West South Central [Member]
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 147,177,000	$ 58,506,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	6.50%	5.70%
East South Central [Member]
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 60,121,000	$ 40,767,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	2.70%	4.70%
New England [Member]
Mortgage Loans On Real Estate Geographic Location Of Property [Line Items]
Loans Receivable Commercial Real Estate	$ 92,304,000	$ 35,331,000
Mortgage Loans On Real Estate Commercial And Consumer Net Percentage Of Total	4.10%	4.10%

Investments (Details 15) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Mortgage Loans on Real Estate [Line Items]
Loans Receivable Commercial Real Estate	$ 2,270,214,000	$ 1,003,524,000
Mortgage Loans On Real Estate Due One Year Through Five Years [Member]
Mortgage Loans on Real Estate [Line Items]
Loans Receivable Commercial Real Estate	1,234,191,000	493,027,000
Mortgage Loans On Real Estate Due After Five Years [Member]
Mortgage Loans on Real Estate [Line Items]
Loans Receivable Commercial Real Estate	731,618,000	299,252,000
Mortgage Loans On Real Estate Due After Ten Years [Member]
Mortgage Loans on Real Estate [Line Items]
Loans Receivable Commercial Real Estate	$ 304,405,000	$ 211,245,000

- Definition

+ References

+ Details

Investments (Details 16) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Credit Quality Indicators [Line Items]
Loans Receivable Commercial Real Estate	$ 2,270,214,000	$ 1,003,524,000
High Investment Grade [Member]
Credit Quality Indicators [Line Items]
Loans Receivable Commercial Real Estate	1,153,162,000	252,333,000
Investment Grade [Member]
Credit Quality Indicators [Line Items]
Loans Receivable Commercial Real Estate	871,508,000	526,608,000
Average [Member]
Credit Quality Indicators [Line Items]
Loans Receivable Commercial Real Estate	134,205,000	105,177,000
Watch List [Member]
Credit Quality Indicators [Line Items]
Loans Receivable Commercial Real Estate	73,977,000	91,037,000
In Or Near Default [Member]
Credit Quality Indicators [Line Items]
Loans Receivable Commercial Real Estate	$ 37,362,000	$ 28,369,000

- Definition

+ References

+ Details

Investments (Details 17) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Financing Receivable Recorded Investment Aging
Total mortgage loans	$ 2,270,214,000	$ 1,003,524,000
Mortgage Receivables Member
Financing Receivable Recorded Investment Aging
Financing Receivable Recorded Investment 30 To 59 Days Past Due	16,627,000	21,800,000
Financing Receivable Recorded Investment 60 To 89 Days Past Due	0	0
Financing Receivable Recorded Investment Equal To Greater Than 90 Days Past Due	16,298,000	20,316,000
Total past due	32,925,000	42,116,000
Financing Receivable Recorded Investment Current	2,237,289,000	961,408,000
Total mortgage loans	$ 2,270,214,000	$ 1,003,524,000

- Definition

+ References

+ Details

Investments (Details 18) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Mortgage Loans:
Total mortgage loans	$ 2,270,214,000	$ 1,003,524,000
Mortgage Loans Net Of Valuation Allowances [Abstract]
Mortgage loans on real estate	2,256,881,000	991,731,000
Commercial Real Estate Portfolio Segment Member
Mortgage Loans:
Evaluated individually for credit losses	44,394,000	60,904,000
Evaluated collectively for credit losses	2,225,820,000	942,620,000
Total mortgage loans	2,270,214,000	1,003,524,000
Valuation Allowances:
Specific for credit losses	8,343,000	8,188,000
Non-specifically identified credit losses	4,990,000	3,605,000
Total valuation allowances	$ 13,333,000	$ 11,793,000

Investments (Details 19) - USD ($)	3 Months Ended		9 Months Ended
Investments (Details 19) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Allowance For Loan And Lease Losses Roll Forward
Balance, Beginning of Period	$ 11,011,000	$ 7,692,000	$ 11,793,000	$ 6,239,000
Charge-offs	(526,000)	0	(4,595,000)	(1,157,000)
Recoveries	0	0	0	0
Provision (release)	2,848,000	2,370,000	6,135,000	4,980,000
Balance, End of Period	$ 13,333,000	$ 10,062,000	$ 13,333,000	$ 10,062,000

Investments (Details 20) - USD ($)	3 Months Ended		9 Months Ended
Investments (Details 20) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Financing Receivable Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	$ 45,066,000		$ 45,066,000		$ 61,812,000
Impaired Financing Receivable Recorded Investment	44,394,000		44,394,000		60,904,000
Impaired Financing Receivable Related Allowance	8,343,000		8,343,000		8,188,000
Impaired Financing Receivable Net Of Related Allowance	36,051,000		36,051,000		52,716,000
Impaired Financing Receivable, Average Recorded Investment	46,101,000	$ 36,057,000	52,490,000	$ 36,274,000
Impaired Financing Receivable Interest Income Accrual Method	570,000	234,000	1,485,000	780,000
Commercial Real Estate Other Receivable With No Related Allowance [Member]
Financing Receivable Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	13,127,000		13,127,000		32,088,000
Impaired Financing Receivable Recorded Investment	12,585,000		12,585,000		31,496,000
Impaired Financing Receivable Related Allowance	0		0		0
Impaired Financing Receivable Net Of Related Allowance	12,585,000		12,585,000		31,496,000
Impaired Financing Receivable, Average Recorded Investment	11,054,000	4,706,000	16,312,000	11,228,000
Impaired Financing Receivable Interest Income Accrual Method	109,000	32,000	305,000	102,000
Commercial Real Estate Other Receivable With Related Allowance [Member]
Financing Receivable Impaired [Line Items]
Impaired Financing Receivable, Unpaid Principal Balance	31,939,000		31,939,000		29,724,000
Impaired Financing Receivable Recorded Investment	31,809,000		31,809,000		29,408,000
Impaired Financing Receivable Related Allowance	8,343,000		8,343,000		8,188,000
Impaired Financing Receivable Net Of Related Allowance	23,466,000		23,466,000		$ 21,220,000
Impaired Financing Receivable, Average Recorded Investment	35,047,000	31,351,000	36,178,000	25,046,000
Impaired Financing Receivable Interest Income Accrual Method	$ 461,000	$ 202,000	$ 1,180,000	$ 678,000

Investments (Details 21) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Other Investments [Line Items]
Other invested assets	$ 1,236,616,000	$ 1,012,541,000
Equity Securities [Member]
Other Investments [Line Items]
Other invested assets	209,272,000	113,900,000
Limited Partner [Member]
Other Investments [Line Items]
Other invested assets	350,643,000	251,315,000
Secured Debt [Member]
Other Investments [Line Items]
Other invested assets	341,795,000	281,022,000
Gain (Loss) on Derivatives [Member]
Other Investments [Line Items]
Other invested assets	212,322,000	257,050,000
Other [Member]
Other Investments [Line Items]
Other invested assets	$ 122,584,000	$ 109,254,000

Investments (Details 22)	9 Months Ended
Investments (Details 22)	Sep. 30, 2012 USD ($)
Amortized Cost Recorded Investment [Member] \| Corporate Debt Securities Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	$ 2,585,095,000
Amortized Cost Recorded Investment [Member] \| Asset Backed Securities Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	137,251,000
Amortized Cost Recorded Investment [Member] \| Commercial Mortgage Backed Securities Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	703,313,000
Amortized Cost Recorded Investment [Member] \| US Government Corporations and Agencies Securities [Member]
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	240,952,000
Amortized Cost Recorded Investment [Member] \| US States And Political Subdivisions Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	27,297,000
Amortized Cost Recorded Investment [Member] \| Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	56,776,000
Amortized Cost Recorded Investment [Member] \| Equity Securities Other Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	0
Amortized Cost Recorded Investment [Member] \| Mortgage Loans On Real Estate Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	1,009,454,000
Amortized Cost Recorded Investment [Member] \| Short Term Investments Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	101,428,000
Amortized Cost Recorded Investment [Member] \| Cash and Cash Equivalents [Member]
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	501,593,000
Amortized Cost Recorded Investment [Member] \| Accrued Income Receivable [Member]
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	43,739,000
Amortized Cost Recorded Investment [Member] \| Availableforsale Securities Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	3,750,684,000
Amortized Cost Recorded Investment [Member] \| Total Transfer Of Investments [Member]
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	5,406,898,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Corporate Debt Securities Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	2,606,816,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Asset Backed Securities Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	138,918,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Commercial Mortgage Backed Securities Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	704,065,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| US Government Corporations and Agencies Securities [Member]
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	256,168,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| US States And Political Subdivisions Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	27,555,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	55,437,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Equity Securities Other Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	0
Estimate of Fair Value, Fair Value Disclosure [Member] \| Mortgage Loans On Real Estate Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	1,021,661,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Short Term Investments Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	101,338,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Cash and Cash Equivalents [Member]
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	501,593,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Accrued Income Receivable [Member]
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	43,739,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Availableforsale Securities Member
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	3,788,959,000
Estimate of Fair Value, Fair Value Disclosure [Member] \| Total Transfer Of Investments [Member]
Noncash Investing And Financing Items [Line Items]
Transfer of Investments	$ 5,457,290,000

Investments (Narrative) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
Investments (Narrative) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Investment Narrative [Line Items]
Proceeds From Sale Of Available For Sale Securities Sold At Loss	$ 220,500,000	$ 57,200,000	$ 622,100,000	$ 388,900,000
Available For Sale Securities Amortized Cost	10,885,071,000		10,885,071,000		$ 6,931,958,000
Available For Sale Securities Fair Value Disclosure	$ 11,899,722,000		$ 11,899,722,000		$ 7,461,106,000
Mortgage Loan Percent Of Cash And Invested Assets	6.70%		6.70%		3.80%
Impaired Financing Receivable Interest Income Accrual Method	$ 570,000	$ 234,000	$ 1,485,000	$ 780,000
Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest	$ 16,300,000		$ 16,300,000		$ 20,300,000
Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions	618		618		940
Available For Sale Securities Continuous Unrealized Loss Position 12 Months Or Longer Aggregate Losses 1	$ 61,400,000		$ 61,400,000		$ 68,600,000
Other Invested Assets Percent Of Cash And Invested Assets	3.70%		3.70%		3.90%
Other Impairment Losses Limited Partnership			$ 7,500,000
Securities Received as Collateral	$ 95,300,000		95,300,000		$ 1,000,000
Borrowed Securities [Member]
Investment Narrative [Line Items]
Available For Sale Securities Amortized Cost	237,500,000		237,500,000		150,000,000
Available For Sale Securities Fair Value Disclosure	237,500,000		237,500,000		150,000,000
Collateral Fixed Maturity Securities [Member]
Investment Narrative [Line Items]
Proceeds From Sale Of Available For Sale Securities Sold At Loss			95,300,000		1,000,000
Available For Sale Securities Amortized Cost	32,000,000		32,000,000		29,000,000
Available For Sale Securities Fair Value Disclosure	37,200,000		37,200,000		32,600,000
Canadian Province Of Ontario Securities [Member]
Investment Narrative [Line Items]
Available For Sale Securities Fair Value Disclosure	1,261,000,000		1,261,000,000		1,171,200,000
Canadian Province Of Quebec Securities [Member]
Investment Narrative [Line Items]
Available For Sale Securities Fair Value Disclosure	$ 1,187,000,000		$ 1,187,000,000		$ 1,107,700,000
Investment Grade Securities [Member]
Investment Narrative [Line Items]
Percentage Of Total Gross Unrealized Losses	52.80%		52.80%		65.30%

Derivative Instruments (Details) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Derivative Instruments [Line Items]
Notional Amount	$ 6,525,455,000	$ 4,989,001,000
Carrying Value / Fair Value of Assets	394,703,000	286,951,000
Carrying Value / Fair Value of Liabilities	1,485,610,000	1,444,304,000
Designated As Hedging [Member]
Derivative Instruments [Line Items]
Notional Amount	686,693,000	677,828,000
Carrying Value / Fair Value of Assets	3,901,000	419,000
Carrying Value / Fair Value of Liabilities	32,757,000	24,956,000
Designated As Hedging [Member] \| Interest Rate Swap Member
Derivative Instruments [Line Items]
Notional Amount	57,181,000	56,250,000
Carrying Value / Fair Value of Assets	3,901,000	133,000
Carrying Value / Fair Value of Liabilities	0	960,000
Designated As Hedging [Member] \| Foreign Exchange Forward Member
Derivative Instruments [Line Items]
Notional Amount	629,512,000	621,578,000
Carrying Value / Fair Value of Assets	0	286,000
Carrying Value / Fair Value of Liabilities	32,757,000	23,996,000
Designated As Non Hedging [Member]
Derivative Instruments [Line Items]
Notional Amount	5,838,762,000	4,311,173,000
Carrying Value / Fair Value of Assets	390,802,000	286,532,000
Carrying Value / Fair Value of Liabilities	1,452,853,000	1,419,348,000
Designated As Non Hedging [Member] \| Interest Rate Swap Member
Derivative Instruments [Line Items]
Notional Amount	2,236,718,000	2,748,317,000
Carrying Value / Fair Value of Assets	306,774,000	184,842,000
Carrying Value / Fair Value of Liabilities	174,741,000	18,702,000
Designated As Non Hedging [Member] \| Future Member
Derivative Instruments [Line Items]
Notional Amount	204,424,000	277,814,000
Carrying Value / Fair Value of Assets	0	0
Carrying Value / Fair Value of Liabilities	0	0
Designated As Non Hedging [Member] \| Foreign Exchange Forward Member
Derivative Instruments [Line Items]
Notional Amount	44,400,000	24,400,000
Carrying Value / Fair Value of Assets	4,052,000	4,560,000
Carrying Value / Fair Value of Liabilities	36,000	0
Designated As Non Hedging [Member] \| Consumer Price Index Swap [Member]
Derivative Instruments [Line Items]
Notional Amount	102,742,000	101,069,000
Carrying Value / Fair Value of Assets	817,000	766,000
Carrying Value / Fair Value of Liabilities	0	0
Designated As Non Hedging [Member] \| Credit Default Swap Member
Derivative Instruments [Line Items]
Notional Amount	640,500,000	649,500,000
Carrying Value / Fair Value of Assets	1,308,000	1,313,000
Carrying Value / Fair Value of Liabilities	3,770,000	10,949,000
Designated As Non Hedging [Member] \| Equity Member
Derivative Instruments [Line Items]
Notional Amount	696,776,000	510,073,000
Carrying Value / Fair Value of Assets	73,659,000	90,106,000
Carrying Value / Fair Value of Liabilities	0	0
Designated As Non Hedging [Member] \| Embedded Derivatives In Modified Coinsurance Or Funds Withheld Arrangements [Member]
Derivative Instruments [Line Items]
Notional Amount	0	0
Carrying Value / Fair Value of Assets	0	0
Carrying Value / Fair Value of Liabilities	320,501,000	361,456,000
Designated As Non Hedging [Member] \| Embedded Derivatives In Indexed Annuity [Member]
Derivative Instruments [Line Items]
Notional Amount	0	0
Carrying Value / Fair Value of Assets	4,192,000	4,945,000
Carrying Value / Fair Value of Liabilities	751,112,000	751,523,000
Designated As Non Hedging [Member] \| Embedded Derivatives In Variable Annuity [Member]
Derivative Instruments [Line Items]
Notional Amount	0	0
Carrying Value / Fair Value of Assets	0	0
Carrying Value / Fair Value of Liabilities	202,693,000	276,718,000
Designated As Non Hedging [Member] \| Synthetic Guaranteed Investment Contracts [Member]
Derivative Instruments [Line Items]
Notional Amount	1,913,202,000	0
Carrying Value / Fair Value of Assets	0	0
Carrying Value / Fair Value of Liabilities	$ 0	$ 0

Derivative Instruments (Details 1) - Interest Rate Swap Member - Availableforsale Securities Member - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2011
Net Derivatives Gains Losses Recognized On Fair Value Derivatives And Related Hedged Items [Line Items]
Derivative Instruments Gain Loss Recognized In Income Net	$ (655,000)	$ (921,000)
Change In Unrealized Gain Loss On Hedged Item In Fair Value Hedge	913,000	1,509,000
Gain Loss On Fair Value Hedge Ineffectiveness Net	$ 258,000	$ 588,000

- Definition

The amount of net gains and losses recognized in income during the period on derivative instruments designated and qualifying as hedging instruments in fair value hedges and related hedged items designated and qualifying in fair value hedges, on derivative instruments designated and qualifying as hedging instruments in cash flow hedges, and on derivative instruments not designated as hedging instruments.

+ References + Details

Derivative Instruments (Details 2) - USD ($)	3 Months Ended	9 Months Ended
Derivative Instruments (Details 2) - USD ($)	Sep. 30, 2012	Sep. 30, 2012
AOCI Cash Flow Hedges [Roll Forward]
Balance beginning	$ (719,000)	$ (828,000)
Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income (Loss)	(2,831,000)	(2,044,000)
Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	0	0
Cash Flow Hedge Gain (Loss) Reclassified to Investment Income, Net	(351,000)	(1,029,000)
Balance ending	$ (3,901,000)	$ (3,901,000)

Derivative Instruments (Details 3) - Interest Rate Swap Member - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Derivatives In Cash Flow Hedging Relationships [Line Items]
Gains Losses Deferred In Accumulated Other Comprehensive Income Loss On Derivatives Effective Portion	$ (2,831,000)	$ (2,044,000)
Investment Related Gains Losses [Member]
Derivatives In Cash Flow Hedging Relationships [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	0	0
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	(3,000)	0
Investment Income [Member]
Derivatives In Cash Flow Hedging Relationships [Line Items]
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net	351,000	1,029,000
Derivative Instruments, Gain (Loss) Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing, Net	$ 0	$ 0

Derivative Instruments (Details 4) - USD ($)	3 Months Ended		9 Months Ended
Derivative Instruments (Details 4) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Currency Swap Member
Net Investments in Foreign Operations [Line Items]
Net Derivatives Gains (Losses) Deferred in AOCI	$ (19,454,000)	$ 50,974,000	$ (23,457,000)	$ 25,954,000

Derivative Instruments (Details 5) - USD ($)	3 Months Ended		9 Months Ended
Derivative Instruments (Details 5) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Changes In Estimated Fair Value Related To Embedded Derivatives [Line Items]
Total investment related gains (losses), net	$ 76,053,000	$ (139,600,000)	$ 143,374,000	$ 11,408,000
Total benefits and expenses	2,247,602,000	1,838,511,000	6,519,675,000	5,910,999,000
Net income	144,475,000	134,602,000	408,904,000	407,466,000
Embedded Derivatives In Modified Coinsurance Or Funds Withheld Arrangements [Member]
Changes In Estimated Fair Value Related To Embedded Derivatives [Line Items]
Total investment related gains (losses), net	54,836,000	(102,574,000)	40,955,000	(1,514,000)
Net income	11,228,000	(22,403,000)	10,563,000	568,000
Embedded Derivatives In Equity Indexed Annuities [Member]
Changes In Estimated Fair Value Related To Embedded Derivatives [Line Items]
Total benefits and expenses	(33,821,000)	14,360,000	(26,422,000)	(58,987,000)
Net income	(22,529,000)	23,002,000	6,465,000	(26,840,000)
Embedded Derivatives In Variable Annuity Contracts [Member]
Changes In Estimated Fair Value Related To Embedded Derivatives [Line Items]
Total investment related gains (losses), net	2,579,000	(260,239,000)	74,025,000	(253,445,000)
Net income	$ 1,588,000	$ (25,263,000)	$ 494,000	$ (23,876,000)

- Definition

This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 13, 22
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 5
-Section 03
-Paragraph 7

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(c),9(a))
-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 9
-Subparagraph (c)-(e)
-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27405-111563

+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

Derivative Instruments (Details 6) - USD ($)	3 Months Ended		9 Months Ended
Derivative Instruments (Details 6) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income Affect Of Non Hedging Derivatives [Line Items]
Total investment related gains (losses), net	$ 76,053,000	$ (139,600,000)	$ 143,374,000	$ 11,408,000
Policy Acquisition Costs And Other Insurance Expenses	318,106,000	164,372,000	961,679,000	785,138,000
Interest credited	130,341,000	35,251,000	285,080,000	237,510,000
Interest Rate Swap Member
Income Affect Of Non Hedging Derivatives [Line Items]
Total investment related gains (losses), net	(1,437,000)	142,907,000	24,553,000	157,520,000
Future Member
Income Affect Of Non Hedging Derivatives [Line Items]
Total investment related gains (losses), net	(3,977,000)	36,217,000	(10,312,000)	21,920,000
Foreign Exchange Forward Member
Income Affect Of Non Hedging Derivatives [Line Items]
Total investment related gains (losses), net	519,000	1,374,000	(574,000)	1,114,000
Consumer Price Index Swap [Member]
Income Affect Of Non Hedging Derivatives [Line Items]
Total investment related gains (losses), net	422,000	(219,000)	(1,811,000)	1,096,000
Credit Default Swap Member
Income Affect Of Non Hedging Derivatives [Line Items]
Total investment related gains (losses), net	7,817,000	(10,018,000)	14,835,000	(8,138,000)
Equity Member
Income Affect Of Non Hedging Derivatives [Line Items]
Total investment related gains (losses), net	(23,916,000)	30,530,000	(58,532,000)	29,880,000
Embedded Derivatives In Modified Coinsurance Or Funds Withheld Arrangements [Member]
Income Affect Of Non Hedging Derivatives [Line Items]
Total investment related gains (losses), net	54,836,000	(102,574,000)	40,955,000	(1,514,000)
Embedded Derivatives In Indexed Annuity [Member]
Income Affect Of Non Hedging Derivatives [Line Items]
Policy Acquisition Costs And Other Insurance Expenses	(224,000)	(3,172,000)	(363,000)	8,947,000
Interest credited	(33,597,000)	17,531,000	(26,059,000)	(67,935,000)
Embedded Derivatives In Variable Annuity [Member]
Income Affect Of Non Hedging Derivatives [Line Items]
Total investment related gains (losses), net	$ 2,579,000	$ (260,239,000)	$ 74,025,000	$ (253,445,000)

Derivative Instruments (Details 7) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Credit Exposure of Derivative Contracts
Estimated fair value of derivatives in net asset (liability) position	$ 179,206,000	$ 227,399,000
Cash provided as collateral	0	0
Securities provided as collateral	(35,093,000)	(27,052,000)
Cash received as collateral	(178,584,000)	(241,480,000)
Securities received as collateral	(25,049,000)	(997,000)
Net credit exposure	10,666,000	11,974,000
Margin account related to exchange-traded futures	$ 5,376,000	$ 18,153,000

Derivative Instruments (Narrative) - USD ($)	3 Months Ended		9 Months Ended
Derivative Instruments (Narrative) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Derivative Instruments [Abstract]
Cumulative Foreign Currency Translation Gain Loss Recorded In Accumulated Other Comprehensive Income Loss For Net Investment In Foreign Operations Hedges	$ (19,400,000)		$ (19,400,000)		$ 4,100,000
Gain Loss On Investments Related To Change In Fair Value Of Derivatives Excluding Embedded Derivatives	(20,600,000)	$ 200,800,000	(31,800,000)	$ 203,400,000
Maximum Potential Future Exposure on Credit Risk Derivatives	622,500,000		622,500,000		$ 614,000,000
Interest Rate Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months, Net	800,000		800,000
Embedded Derivative Gain Loss In Financial Statements From Use Of Own Credit Risk	(6,200,000)	$ 25,400,000	(63,400,000)	$ 1,100,000
Embedded Derivative Gain Loss On Variable Annuity Contracts In Financial Statements From Use Of Own Credit Risk	$ (28,300,000)		$ 23,200,000

Fair Value Disclosures (Details) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	$ 21,658,414,000	$ 16,200,950,000
Funds withheld at interest embedded derivatives	(320,501,000)	(361,456,000)
Short-term investments	44,556,000	46,671,000
Other invested assets	495,852,000	462,945,000
Cash and cash equivalents	1,025,410,000	504,522,000
Reinsurance ceded receivable - embedded derivatives	4,192,000	4,945,000
Total Assets	22,907,923,000	16,858,577,000
Liabilities Fair Value Disclosure
Interest-sensitive contract liabilities - embedded derivatives	953,804,000	1,028,241,000
Other liabilities	33,115,000	29,650,000
Total Liabilities	986,919,000	1,057,891,000
Interest Rate Swap Member
Liabilities Fair Value Disclosure
Other liabilities	277,000	3,171,000
Credit Default Swap Member
Liabilities Fair Value Disclosure
Other liabilities	81,000	5,633,000
Currency Swap Member
Liabilities Fair Value Disclosure
Other liabilities	32,757,000	23,710,000
Equity Securities Other Member
Liabilities Fair Value Disclosure
Other liabilities		(2,864,000)
Nonredeemable Preferred Stock Member
Assets Fair Value Disclosure
Other invested assets	74,680,000	78,183,000
Equity Securities Other Member
Assets Fair Value Disclosure
Other invested assets	134,592,000	35,717,000
Future Member
Assets Fair Value Disclosure
Other invested assets	0	0
Interest Rate Swap Member
Assets Fair Value Disclosure
Other invested assets	136,211,000	168,484,000
Forward Contracts Member
Assets Fair Value Disclosure
Other invested assets	4,016,000	4,560,000
Credit Index Product Member
Assets Fair Value Disclosure
Other invested assets	817,000	766,000
Credit Default Swap Member
Assets Fair Value Disclosure
Other invested assets	(2,381,000)	(4,003,000)
Equity Swap Member
Assets Fair Value Disclosure
Other invested assets	73,659,000	87,243,000
Currency Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Securities Pledged As Collateral Member
Assets Fair Value Disclosure
Other invested assets	37,202,000	32,622,000
Other [Member]
Assets Fair Value Disclosure
Other invested assets	37,056,000	59,373,000
Corporate Debt Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	11,899,722,000	7,461,106,000
Canadian Provincial Governments [Member]
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	4,091,883,000	3,869,933,000
Residential Mortgage Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	1,055,808,000	1,227,234,000
Asset Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	572,700,000	401,991,000
Commercial Mortgage Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	1,740,391,000	1,242,219,000
US Treasury And Government Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	284,857,000	374,002,000
US States And Political Subdivisions Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	287,417,000	205,386,000
Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	1,725,636,000	1,419,079,000
Fair Value Inputs Level 1 Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	494,107,000	612,945,000
Funds withheld at interest embedded derivatives	0	0
Short-term investments	0	37,155,000
Other invested assets	270,120,000	150,639,000
Cash and cash equivalents	1,025,410,000	504,522,000
Reinsurance ceded receivable - embedded derivatives	0	0
Total Assets	1,789,637,000	1,305,261,000
Liabilities Fair Value Disclosure
Interest-sensitive contract liabilities - embedded derivatives	0	0
Other liabilities	0	0
Total Liabilities	0	0
Fair Value Inputs Level 1 Member \| Interest Rate Swap Member
Liabilities Fair Value Disclosure
Other liabilities	0	0
Fair Value Inputs Level 1 Member \| Credit Default Swap Member
Liabilities Fair Value Disclosure
Other liabilities	0	0
Fair Value Inputs Level 1 Member \| Currency Swap Member
Liabilities Fair Value Disclosure
Other liabilities	0	0
Fair Value Inputs Level 1 Member \| Equity Securities Other Member
Liabilities Fair Value Disclosure
Other liabilities		0
Fair Value Inputs Level 1 Member \| Nonredeemable Preferred Stock Member
Assets Fair Value Disclosure
Other invested assets	63,874,000	58,906,000
Fair Value Inputs Level 1 Member \| Equity Securities Other Member
Assets Fair Value Disclosure
Other invested assets	134,592,000	5,308,000
Fair Value Inputs Level 1 Member \| Future Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 1 Member \| Interest Rate Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 1 Member \| Forward Contracts Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 1 Member \| Credit Index Product Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 1 Member \| Credit Default Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 1 Member \| Equity Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 1 Member \| Currency Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 1 Member \| Securities Pledged As Collateral Member
Assets Fair Value Disclosure
Other invested assets	34,598,000	27,052,000
Fair Value Inputs Level 1 Member \| Other [Member]
Assets Fair Value Disclosure
Other invested assets	37,056,000	59,373,000
Fair Value Inputs Level 1 Member \| Corporate Debt Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	52,993,000	76,097,000
Fair Value Inputs Level 1 Member \| Canadian Provincial Governments [Member]
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	0	0
Fair Value Inputs Level 1 Member \| Residential Mortgage Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	0	0
Fair Value Inputs Level 1 Member \| Asset Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	0	0
Fair Value Inputs Level 1 Member \| Commercial Mortgage Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	0	0
Fair Value Inputs Level 1 Member \| US Treasury And Government Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	212,636,000	300,514,000
Fair Value Inputs Level 1 Member \| US States And Political Subdivisions Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	0	12,894,000
Fair Value Inputs Level 1 Member \| Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	228,478,000	223,440,000
Fair Value Inputs Level 2 Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	19,199,501,000	14,212,340,000
Funds withheld at interest embedded derivatives	0	0
Short-term investments	22,495,000	9,516,000
Other invested assets	225,732,000	300,817,000
Cash and cash equivalents	0	0
Reinsurance ceded receivable - embedded derivatives	0	0
Total Assets	19,447,728,000	14,522,673,000
Liabilities Fair Value Disclosure
Interest-sensitive contract liabilities - embedded derivatives	0	0
Other liabilities	33,115,000	29,650,000
Total Liabilities	33,115,000	29,650,000
Fair Value Inputs Level 2 Member \| Interest Rate Swap Member
Liabilities Fair Value Disclosure
Other liabilities	277,000	3,171,000
Fair Value Inputs Level 2 Member \| Credit Default Swap Member
Liabilities Fair Value Disclosure
Other liabilities	81,000	5,633,000
Fair Value Inputs Level 2 Member \| Currency Swap Member
Liabilities Fair Value Disclosure
Other liabilities	32,757,000	23,710,000
Fair Value Inputs Level 2 Member \| Equity Securities Other Member
Liabilities Fair Value Disclosure
Other liabilities		(2,864,000)
Fair Value Inputs Level 2 Member \| Nonredeemable Preferred Stock Member
Assets Fair Value Disclosure
Other invested assets	10,806,000	19,277,000
Fair Value Inputs Level 2 Member \| Equity Securities Other Member
Assets Fair Value Disclosure
Other invested assets	0	18,920,000
Fair Value Inputs Level 2 Member \| Future Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 2 Member \| Interest Rate Swap Member
Assets Fair Value Disclosure
Other invested assets	136,211,000	168,484,000
Fair Value Inputs Level 2 Member \| Forward Contracts Member
Assets Fair Value Disclosure
Other invested assets	4,016,000	4,560,000
Fair Value Inputs Level 2 Member \| Credit Index Product Member
Assets Fair Value Disclosure
Other invested assets	817,000	766,000
Fair Value Inputs Level 2 Member \| Credit Default Swap Member
Assets Fair Value Disclosure
Other invested assets	(2,381,000)	(4,003,000)
Fair Value Inputs Level 2 Member \| Equity Swap Member
Assets Fair Value Disclosure
Other invested assets	73,659,000	87,243,000
Fair Value Inputs Level 2 Member \| Currency Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 2 Member \| Securities Pledged As Collateral Member
Assets Fair Value Disclosure
Other invested assets	2,604,000	5,570,000
Fair Value Inputs Level 2 Member \| Other [Member]
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 2 Member \| Corporate Debt Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	10,339,456,000	6,410,840,000
Fair Value Inputs Level 2 Member \| Canadian Provincial Governments [Member]
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	4,091,883,000	3,869,933,000
Fair Value Inputs Level 2 Member \| Residential Mortgage Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	1,006,449,000	1,145,579,000
Fair Value Inputs Level 2 Member \| Asset Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	383,110,000	208,499,000
Fair Value Inputs Level 2 Member \| Commercial Mortgage Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	1,573,323,000	1,126,243,000
Fair Value Inputs Level 2 Member \| US Treasury And Government Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	67,655,000	73,488,000
Fair Value Inputs Level 2 Member \| US States And Political Subdivisions Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	240,467,000	182,119,000
Fair Value Inputs Level 2 Member \| Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	1,497,158,000	1,195,639,000
Fair Value Inputs Level 3 Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	1,964,806,000	1,375,665,000
Funds withheld at interest embedded derivatives	(320,501,000)	(361,456,000)
Short-term investments	22,061,000	0
Other invested assets	0	11,489,000
Cash and cash equivalents	0	0
Reinsurance ceded receivable - embedded derivatives	4,192,000	4,945,000
Total Assets	1,670,558,000	1,030,643,000
Liabilities Fair Value Disclosure
Interest-sensitive contract liabilities - embedded derivatives	953,804,000	1,028,241,000
Other liabilities	0	0
Total Liabilities	953,804,000	1,028,241,000
Fair Value Inputs Level 3 Member \| Interest Rate Swap Member
Liabilities Fair Value Disclosure
Other liabilities	0	0
Fair Value Inputs Level 3 Member \| Credit Default Swap Member
Liabilities Fair Value Disclosure
Other liabilities	0	0
Fair Value Inputs Level 3 Member \| Currency Swap Member
Liabilities Fair Value Disclosure
Other liabilities	0	0
Fair Value Inputs Level 3 Member \| Equity Securities Other Member
Liabilities Fair Value Disclosure
Other liabilities		0
Fair Value Inputs Level 3 Member \| Nonredeemable Preferred Stock Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Equity Securities Other Member
Assets Fair Value Disclosure
Other invested assets	0	11,489,000
Fair Value Inputs Level 3 Member \| Future Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Interest Rate Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Forward Contracts Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Credit Index Product Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Credit Default Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Equity Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Currency Swap Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Securities Pledged As Collateral Member
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Other [Member]
Assets Fair Value Disclosure
Other invested assets	0	0
Fair Value Inputs Level 3 Member \| Corporate Debt Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	1,507,273,000	974,169,000
Fair Value Inputs Level 3 Member \| Canadian Provincial Governments [Member]
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	0	0
Fair Value Inputs Level 3 Member \| Residential Mortgage Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	49,359,000	81,655,000
Fair Value Inputs Level 3 Member \| Asset Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	189,590,000	193,492,000
Fair Value Inputs Level 3 Member \| Commercial Mortgage Backed Securities Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	167,068,000	115,976,000
Fair Value Inputs Level 3 Member \| US Treasury And Government Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	4,566,000	0
Fair Value Inputs Level 3 Member \| US States And Political Subdivisions Member
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	46,950,000	10,373,000
Fair Value Inputs Level 3 Member \| Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises
Assets Fair Value Disclosure
Fixed maturity securities, available-for-sale	$ 0	$ 0

Fair Value Disclosures (Details 1)	Sep. 30, 2012 USD ($)
Discounted Cash Flow [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Reinsurance ceded receivable - embedded derivatives	$ 4,192,000
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities	751,112,000
Interest-sensitive contract liabilities - embedded derivatives - variable annuities	$ 202,692,000
Discounted Cash Flow [Member] \| Mortality [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Reinsurance ceded receivable - embedded derivatives Unobservable Input Range	0.00%
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	0.00%
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	0.00%
Discounted Cash Flow [Member] \| Mortality [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Reinsurance ceded receivable - embedded derivatives Unobservable Input Range	100.00%
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	100.00%
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	100.00%
Discounted Cash Flow [Member] \| Mortality [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Reinsurance ceded receivable - embedded derivatives Unobservable Input Range	8.00%
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	1.00%
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	1.00%
Discounted Cash Flow [Member] \| Lapse [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Reinsurance ceded receivable - embedded derivatives Unobservable Input Range	14.00%
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	0.00%
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	0.00%
Discounted Cash Flow [Member] \| Lapse [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Reinsurance ceded receivable - embedded derivatives Unobservable Input Range	16.00%
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	35.00%
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	25.00%
Discounted Cash Flow [Member] \| Lapse [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Reinsurance ceded receivable - embedded derivatives Unobservable Input Range	15.00%
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	4.00%
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	5.00%
Discounted Cash Flow [Member] \| Withdrawal [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	0.00%
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	0.00%
Discounted Cash Flow [Member] \| Withdrawal [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	5.00%
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	7.00%
Discounted Cash Flow [Member] \| Withdrawal [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	4.00%
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	4.00%
Discounted Cash Flow [Member] \| Own Credit [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	0.00%
Discounted Cash Flow [Member] \| Own Credit [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	1.00%
Discounted Cash Flow [Member] \| Own Credit [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	1.00%
Discounted Cash Flow [Member] \| Option Budget Projection [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	2.00%
Discounted Cash Flow [Member] \| Option Budget Projection [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	4.00%
Discounted Cash Flow [Member] \| Option Budget Projection [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - indexed annuities Unobservable Input Range	3.00%
Discounted Cash Flow [Member] \| Long Term Volatility [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	0.00%
Discounted Cash Flow [Member] \| Long Term Volatility [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	27.00%
Discounted Cash Flow [Member] \| Long Term Volatility [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Interest-sensitive contract liabilities - embedded derivatives - variable annuities Unobservable Input Range	16.00%
Total Return Swap [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives	$ (320,501,000)
Total Return Swap [Member] \| Mortality [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	0.00%
Total Return Swap [Member] \| Mortality [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	100.00%
Total Return Swap [Member] \| Mortality [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	1.00%
Total Return Swap [Member] \| Lapse [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	0.00%
Total Return Swap [Member] \| Lapse [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	35.00%
Total Return Swap [Member] \| Lapse [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	4.00%
Total Return Swap [Member] \| Withdrawal [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	0.00%
Total Return Swap [Member] \| Withdrawal [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	5.00%
Total Return Swap [Member] \| Withdrawal [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	4.00%
Total Return Swap [Member] \| Own Credit [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	0.00%
Total Return Swap [Member] \| Own Credit [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	1.00%
Total Return Swap [Member] \| Own Credit [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	1.00%
Total Return Swap [Member] \| Crediting Rate [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	2.00%
Total Return Swap [Member] \| Crediting Rate [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	4.00%
Total Return Swap [Member] \| Crediting Rate [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Funds withheld at interest - embedded derivatives Unobservable Input Range	3.00%
Market Comparable Securities [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
State And Political Subdivision Securities	$ 15,186,000
Corporate Securities	431,187,000
Market Comparable Securities [Member] \| Liquidity Premium [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
Short-term Investments	$ 22,061,000
Market Comparable Securities [Member] \| Liquidity Premium [Member] \| Minimum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
State And Political Subdivision Securities Unobservable Input Range	1.00%
Corporate Securities Unobservable Input Range	0.00%
Short Term Investments Unobservable Input Range	1.00%
Market Comparable Securities [Member] \| Liquidity Premium [Member] \| Maximum [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
State And Political Subdivision Securities Unobservable Input Range	1.00%
Corporate Securities Unobservable Input Range	2.00%
Short Term Investments Unobservable Input Range	1.00%
Market Comparable Securities [Member] \| Liquidity Premium [Member] \| Weighted Average [Member]
Unobservable Inputs Used In Level 3 Fair Value Measurements [Line Items]
State And Political Subdivision Securities Unobservable Input Range	1.00%
Corporate Securities Unobservable Input Range	1.00%
Short Term Investments Unobservable Input Range	1.00%

Fair Value Disclosures (Details 2) - USD ($)	3 Months Ended		9 Months Ended
Fair Value Disclosures (Details 2) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Level 1 to level 2 Transfers, Amount	$ 23,586,000	$ 1,474,000	$ 40,435,000	$ 27,200,000
Fair Value, Level 2 to level 1 Transfers, Amount	11,068,000	5,485,000	22,224,000	5,485,000
Availableforsale Securities Member
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Level 1 to level 2 Transfers, Amount	13,940,000	1,474,000	30,789,000	24,910,000
Fair Value, Level 2 to level 1 Transfers, Amount	0	5,485,000	11,156,000	5,485,000
Corporate Debt Securities Member \| Availableforsale Securities Member
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Level 1 to level 2 Transfers, Amount	11,777,000	0	14,773,000	0
Fair Value, Level 2 to level 1 Transfers, Amount	0	0	4,000	0
US Treasury And Government Member \| Availableforsale Securities Member
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Level 1 to level 2 Transfers, Amount	0	0	0	23,065,000
Fair Value, Level 2 to level 1 Transfers, Amount	0	0	11,152,000	0
US States And Political Subdivisions Member \| Availableforsale Securities Member
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Level 1 to level 2 Transfers, Amount	0	0	12,794,000	0
Fair Value, Level 2 to level 1 Transfers, Amount	0	5,485,000	0	5,485,000
Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises \| Availableforsale Securities Member
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Level 1 to level 2 Transfers, Amount	2,163,000	1,474,000	3,222,000	1,845,000
Fair Value, Level 2 to level 1 Transfers, Amount	0	0	0	0
Equity Securities Other Member
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value, Level 1 to level 2 Transfers, Amount	0	0	0	2,290,000
Fair Value, Level 2 to level 1 Transfers, Amount	$ 0	$ 0	$ 0	$ 0

Fair Value Disclosures (Details 3) - USD ($)	3 Months Ended		9 Months Ended
Fair Value Disclosures (Details 3) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Funds Withheld At Interest Embedded Derivatives [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	$ (375,337,000)	$ (173,160,000)	$ (361,456,000)	$ (274,220,000)
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	0	0	0	0
Investment related gains (losses), net	54,836,000	(102,574,000)	40,955,000	(1,514,000)
Claims and other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Included in other comprehensive income	0	0	0	0
Purchases	0	0	0	0
Sales	0	0	0	0
Settlements	0	0	0	0
Transfers into Level 3	0	0	0	0
Transfers out of Level 3	0	0	0	0
Balance, End of period	(320,501,000)	(275,734,000)	(320,501,000)	(275,734,000)
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	0	0	0	0
Investment related gains (losses), net	54,836,000	(102,575,000)	40,955,000	(1,514,000)
Claims & other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Nonredeemable Preferred Stock Member
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period				420,000
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses				0
Investment related gains (losses), net				0
Claims and other policy benefits				0
Interest credited				0
Policy acquisition costs and other insurance expenses				0
Included in other comprehensive income				0
Purchases				0
Sales				(420,000)
Settlements				0
Transfers into Level 3				0
Transfers out of Level 3				0
Balance, End of period		0		0
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses				0
Investment related gains (losses), net				0
Claims & other policy benefits				0
Interest credited				0
Policy acquisition costs and other insurance expenses				0
Equity Securities Other Member
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	3,227,000	11,001,000	11,489,000	16,416,000
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	0	0	0	0
Investment related gains (losses), net	0	0	1,098,000	3,504,000
Claims and other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Included in other comprehensive income	0	195,000	843,000	(4,792,000)
Purchases	0	0	108,000	0
Sales	0	(633,000)	(3,788,000)	(4,565,000)
Settlements	0	0	0	0
Transfers into Level 3	0	0	0	0
Transfers out of Level 3	(3,227,000)	0	(9,750,000)	0
Balance, End of period	0	10,563,000	0	10,563,000
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	0	0	0	0
Investment related gains (losses), net	0	0	(183,000)	0
Claims & other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Reinsurance Ceded Receivable Embedded Derivatives [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	4,416,000	86,029,000	4,945,000	75,431,000
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	0	0	0	0
Investment related gains (losses), net	0	0	0	0
Claims and other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	(124,000)	(3,443,000)	(449,000)	8,869,000
Included in other comprehensive income	0	0	0	0
Purchases	0	2,081,000	0	6,345,000
Sales	0	0	0	0
Settlements	(100,000)	(3,123,000)	(304,000)	(9,101,000)
Transfers into Level 3	0	0	0	0
Transfers out of Level 3	0	0	0	0
Balance, End of period	4,192,000	81,544,000	4,192,000	81,544,000
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	0	0	0	0
Investment related gains (losses), net	0	0	0	0
Claims & other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	13,000	(592,000)	(33,000)	17,892,000
Interest Sensitive Contract Liabilities Embedded Derivatives [Member]
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	(938,927,000)	(804,171,000)	(1,028,241,000)	(721,485,000)
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	0	0	0	0
Investment related gains (losses), net	2,579,000	(260,239,000)	74,025,000	(253,445,000)
Claims and other policy benefits	213,000	(1,600,000)	770,000	(1,283,000)
Interest credited	(33,980,000)	19,598,000	(27,348,000)	(66,519,000)
Policy acquisition costs and other insurance expenses	0	0	0	0
Included in other comprehensive income	0	0	0	0
Purchases	(8,502,000)	(16,063,000)	(48,199,000)	(57,283,000)
Sales	0	0	0	0
Settlements	24,813,000	20,862,000	75,189,000	58,402,000
Transfers into Level 3	0	0	0	0
Transfers out of Level 3	0	0	0	0
Balance, End of period	(953,804,000)	(1,041,613,000)	(953,804,000)	(1,041,613,000)
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	0	0	0	0
Investment related gains (losses), net	427,000	(262,552,000)	68,315,000	(255,758,000)
Claims & other policy benefits	(23,000)	(1,135,000)	56,000	(1,151,000)
Interest credited	(58,621,000)	(1,265,000)	(102,017,000)	(124,920,000)
Policy acquisition costs and other insurance expenses	0	0	0	0
Short Term Investments Member
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	0		0
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	(7,000)		(7,000)
Investment related gains (losses), net	0		0
Claims and other policy benefits	0		0
Interest credited	0		0
Policy acquisition costs and other insurance expenses	0		0
Included in other comprehensive income	54,000		54,000
Purchases	22,014,000		22,014,000
Sales	0		0
Settlements	0		0
Transfers into Level 3	0		0
Transfers out of Level 3	0		0
Balance, End of period	22,061,000		22,061,000
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	(7,000)		(7,000)
Investment related gains (losses), net	0		0
Claims & other policy benefits	0		0
Interest credited	0		0
Policy acquisition costs and other insurance expenses	0		0
Availableforsale Securities Member \| Corporate Debt Securities Member
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	994,014,000	977,560,000	974,169,000	872,179,000
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	(4,846,000)	38,000	(4,738,000)	200,000
Investment related gains (losses), net	(1,059,000)	591,000	(2,339,000)	1,332,000
Claims and other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Included in other comprehensive income	22,280,000	7,725,000	31,940,000	17,174,000
Purchases	556,031,000	59,905,000	645,466,000	257,713,000
Sales	(18,548,000)	(14,415,000)	(45,833,000)	(35,487,000)
Settlements	(31,448,000)	(23,677,000)	(84,819,000)	(99,407,000)
Transfers into Level 3	1,293,000	15,947,000	18,738,000	76,627,000
Transfers out of Level 3	(10,444,000)	(65,855,000)	(25,311,000)	(132,512,000)
Balance, End of period	1,507,273,000	957,819,000	1,507,273,000	957,819,000
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	(4,861,000)	32,000	(4,747,000)	162,000
Investment related gains (losses), net	(223,000)	(708,000)	(1,329,000)	(1,223,000)
Claims & other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Availableforsale Securities Member \| Residential Mortgage Backed Securities Member
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	49,591,000	103,430,000	81,655,000	183,291,000
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	114,000	181,000	413,000	674,000
Investment related gains (losses), net	(187,000)	(1,059,000)	(223,000)	(1,460,000)
Claims and other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Included in other comprehensive income	479,000	44,000	1,886,000	4,528,000
Purchases	31,020,000	454,000	31,602,000	6,236,000
Sales	(24,566,000)	0	(40,790,000)	(20,701,000)
Settlements	(1,437,000)	(1,447,000)	(5,139,000)	(13,812,000)
Transfers into Level 3	1,804,000	2,248,000	8,979,000	7,250,000
Transfers out of Level 3	(7,459,000)	(36,941,000)	(29,024,000)	(99,096,000)
Balance, End of period	49,359,000	66,910,000	49,359,000	66,910,000
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	28,000	181,000	283,000	655,000
Investment related gains (losses), net	0	(131,000)	(269,000)	(175,000)
Claims & other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Availableforsale Securities Member \| Asset Backed Securities Member
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	128,358,000	188,773,000	193,492,000	228,558,000
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	54,000	271,000	497,000	1,175,000
Investment related gains (losses), net	(3,000)	(6,760,000)	(510,000)	(9,588,000)
Claims and other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Included in other comprehensive income	7,658,000	(1,827,000)	16,135,000	5,586,000
Purchases	62,109,000	7,449,000	64,121,000	37,328,000
Sales	(3,725,000)	(5,547,000)	(11,627,000)	(27,844,000)
Settlements	(4,407,000)	(3,172,000)	(11,510,000)	(20,013,000)
Transfers into Level 3	5,006,000	10,773,000	6,086,000	32,274,000
Transfers out of Level 3	(5,460,000)	(27,417,000)	(67,094,000)	(84,933,000)
Balance, End of period	189,590,000	162,543,000	189,590,000	162,543,000
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	40,000	246,000	440,000	1,084,000
Investment related gains (losses), net	(242,000)	(1,052,000)	(849,000)	(4,603,000)
Claims & other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Availableforsale Securities Member \| Commercial Mortgage Backed Securities Member
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	115,733,000	150,765,000	115,976,000	147,556,000
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	446,000	505,000	1,579,000	1,673,000
Investment related gains (losses), net	(2,088,000)	(6,548,000)	(13,771,000)	(9,280,000)
Claims and other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Included in other comprehensive income	6,188,000	(14,717,000)	17,436,000	12,599,000
Purchases	21,092,000	0	21,092,000	7,684,000
Sales	0	0	(1,552,000)	0
Settlements	(511,000)	0	(568,000)	(3,410,000)
Transfers into Level 3	26,208,000	0	37,054,000	66,854,000
Transfers out of Level 3	0	(17,026,000)	(10,178,000)	(110,697,000)
Balance, End of period	167,068,000	112,979,000	167,068,000	112,979,000
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	446,000	504,000	1,579,000	1,660,000
Investment related gains (losses), net	(2,088,000)	(6,548,000)	(14,163,000)	(9,292,000)
Claims & other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Availableforsale Securities Member \| US Treasury And Government Member
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	0		0
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	(59,000)		(59,000)
Investment related gains (losses), net	0		0
Claims and other policy benefits	0		0
Interest credited	0		0
Policy acquisition costs and other insurance expenses	0		0
Included in other comprehensive income	(15,000)		(15,000)
Purchases	4,640,000		4,640,000
Sales	0		0
Settlements	0		0
Transfers into Level 3	0		0
Transfers out of Level 3	0		0
Balance, End of period	4,566,000		4,566,000
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	(59,000)		(59,000)
Investment related gains (losses), net	0		0
Claims & other policy benefits	0		0
Interest credited	0		0
Policy acquisition costs and other insurance expenses	0		0
Availableforsale Securities Member \| US States And Political Subdivisions Member
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period	14,486,000	22,932,000	10,373,000	6,983,000
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses	1,000	(5,000)	5,000	365,000
Investment related gains (losses), net	(4,000)	(4,000)	(12,000)	(11,000)
Claims and other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	0	0	0	0
Included in other comprehensive income	3,433,000	225,000	4,666,000	3,839,000
Purchases	0	0	0	871,000
Sales	0	0	0	0
Settlements	(116,000)	(22,000)	(162,000)	(65,000)
Transfers into Level 3	29,150,000	0	37,588,000	48,469,000
Transfers out of Level 3	0	(13,736,000)	(5,508,000)	(51,061,000)
Balance, End of period	46,950,000	9,390,000	46,950,000	9,390,000
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses	1,000	(5,000)	5,000	365,000
Investment related gains (losses), net	0	0	0	0
Claims & other policy benefits	0	0	0	0
Interest credited	0	0	0	0
Policy acquisition costs and other insurance expenses	$ 0	0	$ 0	0
Availableforsale Securities Member \| Other Foreign Government, Supranational And Foreign Government-Sponsored Enterprises
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation Calculation [Roll Forward]
Balance, Beginning of period		4,074,000		6,736,000
Total gains or (losses) (realized/unrealized)
Investment income, net of related expenses		0		1,000
Investment related gains (losses), net		0		0
Claims and other policy benefits		0		0
Interest credited		0		0
Policy acquisition costs and other insurance expenses		0		0
Included in other comprehensive income		0		8,000
Purchases		0		0
Sales		0		(161,000)
Settlements		0		0
Transfers into Level 3		0		21,000
Transfers out of Level 3		(4,074,000)		(6,605,000)
Balance, End of period		0		0
Unrealized Gains And Losses Recorded In Earnings For The Period Relating To Those Level 3 Assets And Liabilities That Were Still Held At The End Of The Period
Investment income, net of related expenses		0		(36,000)
Investment related gains (losses), net		0		0
Claims & other policy benefits		0		0
Interest credited		0		0
Policy acquisition costs and other insurance expenses		$ 0		$ 0

Fair Value Disclosures (Details 4) - USD ($)	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010
Assets
Fixed maturity securities	$ 21,658,414,000	$ 16,200,950,000
Mortgage loans on real estate	2,256,881,000	991,731,000
Policy loans	1,243,498,000	1,260,400,000
Funds withheld at interest	5,608,640,000	5,410,424,000
Short-term investments	90,789,000	88,566,000
Other invested assets	1,236,616,000	1,012,541,000
Cash and cash equivalents	1,603,730,000	962,870,000	$ 802,651,000	$ 463,661,000
Accrued Investment Income	250,048,000	144,334,000
Reinsurance ceded receivables	623,954,000	626,194,000
Liabilities
Interest-sensitive contract liabilities	13,254,859,000	8,394,468,000
Collateral finance facility	651,968,000	652,032,000
Fair Value Inputs Level 1 Member
Assets
Fixed maturity securities	494,107,000	612,945,000
Mortgage loans on real estate	0
Fair Value Inputs Level 2 Member
Assets
Fixed maturity securities	19,199,501,000	14,212,340,000
Mortgage loans on real estate	0
Fair Value Inputs Level 3 Member
Assets
Fixed maturity securities	1,964,806,000	1,375,665,000
Mortgage loans on real estate	2,383,088,000
Carrying Value [Member]
Assets
Mortgage loans on real estate	2,256,881,000	991,731,000
Policy loans	1,243,498,000	1,260,400,000
Funds withheld at interest	5,929,140,000	5,771,880,000
Short-term investments	46,233,000	41,895,000
Other invested assets	604,495,000	500,681,000
Cash and cash equivalents	578,320,000	458,348,000
Accrued Investment Income	250,048,000	144,334,000
Liabilities
Interest-sensitive contract liabilities	11,404,136,000	6,203,001,000
Long And Short Term Debt	1,815,111,000	1,414,688,000
Collateral finance facility	651,968,000	652,032,000
Estimated Fair Value [Member]
Assets
Mortgage loans on real estate	2,383,088,000	1,081,924,000
Policy loans	1,243,498,000	1,260,400,000
Funds withheld at interest	6,399,803,000	6,041,984,000
Short-term investments	46,233,000	41,895,000
Other invested assets	629,905,000	503,293,000
Cash and cash equivalents	578,320,000	458,348,000
Accrued Investment Income	250,048,000	144,334,000
Liabilities
Interest-sensitive contract liabilities	11,597,198,000	6,307,779,000
Long And Short Term Debt	1,958,231,000	1,462,329,000
Collateral finance facility	443,020,000	$ 390,900,000
Estimated Fair Value [Member] \| Fair Value Inputs Level 1 Member
Assets
Policy loans	0
Funds withheld at interest	0
Short-term investments	46,233,000
Other invested assets	0
Cash and cash equivalents	578,320,000
Accrued Investment Income	0
Liabilities
Interest-sensitive contract liabilities	0
Long And Short Term Debt	0
Collateral finance facility	0
Estimated Fair Value [Member] \| Fair Value Inputs Level 2 Member
Assets
Policy loans	1,243,498,000
Funds withheld at interest	0
Short-term investments	0
Other invested assets	18,900,000
Cash and cash equivalents	0
Accrued Investment Income	250,048,000
Liabilities
Interest-sensitive contract liabilities	0
Long And Short Term Debt	0
Collateral finance facility	0
Estimated Fair Value [Member] \| Fair Value Inputs Level 3 Member
Assets
Policy loans	0
Funds withheld at interest	6,399,803,000
Short-term investments	0
Other invested assets	611,005,000
Cash and cash equivalents	0
Accrued Investment Income	0
Liabilities
Interest-sensitive contract liabilities	11,597,198,000
Long And Short Term Debt	1,958,231,000
Collateral finance facility	$ 443,020,000

Fair Value Disclosures (Narrative) - USD ($)	3 Months Ended		9 Months Ended
Fair Value Disclosures (Narrative) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Percentage Of Fixed Maturity Securities Classified As Level 3	9.10%		9.10%		8.50%
Impaired commercial mortgages [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Fair Value Measured On Nonrecurring Basis Gains (Losses)	$ 1,600,000	$ 1,900,000	$ 4,400,000	$ 1,500,000
Commercial Mortgage Loans Carrying Value Non Recurring	$ 23,500,000	$ 21,900,000	$ 23,500,000	$ 21,900,000

Segment Information (Details) - USD ($)	3 Months Ended		9 Months Ended
Segment Information (Details) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Segment Total Revenue [Line Items]
Total revenues	$ 2,449,081,000	$ 1,994,907,000	$ 7,117,809,000	$ 6,481,319,000
US Segment Reporting Information [Member]
Segment Total Revenue [Line Items]
Total revenues	1,446,834,000	1,017,413,000	4,141,202,000	3,625,956,000
Canada Segment Reporting Information [Member]
Segment Total Revenue [Line Items]
Total revenues	287,629,000	249,924,000	839,491,000	780,549,000
Europe And South Africa Segment Reporting Information [Member]
Segment Total Revenue [Line Items]
Total revenues	323,225,000	300,492,000	955,505,000	877,880,000
Asia Pacific Segment Reporting Information [Member]
Segment Total Revenue [Line Items]
Total revenues	364,516,000	358,115,000	1,101,934,000	1,044,103,000
Corporate And Other Segment Reporting Information [Member]
Segment Total Revenue [Line Items]
Total revenues	$ 26,877,000	$ 68,963,000	$ 79,677,000	$ 152,831,000

Segment Information (Details 1) - USD ($)	3 Months Ended		9 Months Ended
Segment Information (Details 1) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Segment Income Loss From Continuing Operations Before Provision For Income Tax [Line Items]
Income Loss From Continuing Operations Before Provision For Income Tax Segment	$ 201,479,000	$ 156,396,000	$ 598,134,000	$ 570,320,000
US Segment Reporting Information [Member]
Segment Income Loss From Continuing Operations Before Provision For Income Tax [Line Items]
Income Loss From Continuing Operations Before Provision For Income Tax Segment	156,678,000	31,091,000	390,009,000	292,937,000
Canada Segment Reporting Information [Member]
Segment Income Loss From Continuing Operations Before Provision For Income Tax [Line Items]
Income Loss From Continuing Operations Before Provision For Income Tax Segment	37,520,000	43,711,000	127,613,000	117,712,000
Europe And South Africa Segment Reporting Information [Member]
Segment Income Loss From Continuing Operations Before Provision For Income Tax [Line Items]
Income Loss From Continuing Operations Before Provision For Income Tax Segment	32,166,000	12,029,000	58,363,000	47,089,000
Asia Pacific Segment Reporting Information [Member]
Segment Income Loss From Continuing Operations Before Provision For Income Tax [Line Items]
Income Loss From Continuing Operations Before Provision For Income Tax Segment	(16,483,000)	25,644,000	39,443,000	51,946,000
Corporate And Other Segment Reporting Information [Member]
Segment Income Loss From Continuing Operations Before Provision For Income Tax [Line Items]
Income Loss From Continuing Operations Before Provision For Income Tax Segment	$ (8,402,000)	$ 43,921,000	$ (17,294,000)	$ 60,636,000

Segment Information (Details 2) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Segment Total Assets [Line Items]
Total assets	$ 39,924,013,000	$ 31,633,973,000
US Segment Reporting Information [Member]
Segment Total Assets [Line Items]
Total assets	25,080,586,000	17,965,559,000
Canada Segment Reporting Information [Member]
Segment Total Assets [Line Items]
Total assets	3,668,540,000	3,347,771,000
Europe And South Africa Segment Reporting Information [Member]
Segment Total Assets [Line Items]
Total assets	2,020,324,000	1,846,751,000
Asia Pacific Segment Reporting Information [Member]
Segment Total Assets [Line Items]
Total assets	3,010,230,000	2,902,101,000
Corporate And Other Segment Reporting Information [Member]
Segment Total Assets [Line Items]
Total assets	$ 6,144,333,000	$ 5,571,791,000

Commitments and Contingent Liabilities (Narrative) - USD ($)	Sep. 30, 2012	Dec. 31, 2011
Commitments And Contingent Liabilities [Line Items]
Unfunded commitments to fund partnership investments, mortgage loans and private corporate bond investments	$ 100,000,000
Undrawn outstanding letters of credit in favor of third parties	19,200,000	$ 15,800,000
Undrawn outstanding letters of credit between subsidiaries	632,900,000	582,900,000
Syndicated revolving credit facility capacity	850,000,000
Syndicated revolving credit facility undrawn outstanding	271,700,000
Other Long Term Credit Facility Capacity 200 Million Dollar	200,000,000
Other Long Term Credit Facility Undrawn Outstanding 200 Million Dollar	200,000,000
Other Long Term Credit Facility Capacity 120 Million Dollar	120,000,000
Other Long Term Credit Facility Undrawn Outstanding 120 Million Dollar	100,000,000
Insurance Treaty Guarantee [Member]
Commitments And Contingent Liabilities [Line Items]
Guarantee Obligations Current Carrying Value	669,400,000	697,500,000
Insurance Treaty Guarantee Net Of Assets Held In Trust [Member]
Commitments And Contingent Liabilities [Line Items]
Guarantee Obligations Current Carrying Value	445,700,000	467,500,000
Guarantee Of Borrowed Securities [Member]
Commitments And Contingent Liabilities [Line Items]
Guarantee Obligations Current Carrying Value	237,500,000	150,000,000
Guarantee Of Subsidiary Collateral Financing [Member]
Commitments And Contingent Liabilities [Line Items]
Guarantee Obligations Current Carrying Value	300,000,000
Limited Partnerships [Member]
Commitments And Contingent Liabilities [Line Items]
Unfunded commitments to fund partnership investments, mortgage loans and private corporate bond investments	169,700,000	156,600,000
Commercial Mortgage Loans [Member]
Commitments And Contingent Liabilities [Line Items]
Unfunded commitments to fund partnership investments, mortgage loans and private corporate bond investments	62,100,000	33,600,000
Private Placement Investments [Member]
Commitments And Contingent Liabilities [Line Items]
Unfunded commitments to fund partnership investments, mortgage loans and private corporate bond investments	7,500,000	$ 100,000,000
Bank Loans [Member]
Commitments And Contingent Liabilities [Line Items]
Unfunded commitments to fund partnership investments, mortgage loans and private corporate bond investments	$ 35,800,000

Income Tax (Details) - USD ($)	3 Months Ended		9 Months Ended
Income Tax (Details) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income Tax Expense (Benefit), Continuing Operations, Income Tax Reconciliation [Abstract]
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	$ 70,517,000	$ 54,739,000	$ 209,347,000	$ 199,612,000
Income Tax Reconciliation, Foreign Income Tax Rate Differential	(3,174,000)	(4,382,000)	(10,063,000)	(9,583,000)
Income Tax Reconciliation Foreign Income Tax Basis Differential	(5,073,000)	(1,604,000)	(7,991,000)	(4,550,000)
Income Tax Reconciliation Subpart F	943,000	0	6,015,000	0
Income Tax Reconciliation, Nondeductible Expense, Meals and Entertainment	111,000	147,000	350,000	396,000
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance	105,000	0	250,000	795,000
Income Tax Reconciliation, Tax Contingencies, Domestic	(747,000)	984,000	1,276,000	4,499,000
Income Tax Reconciliation, Nondeductible Expense, Life Insurance	(164,000)	756,000	(907,000)	173,000
Income Tax Reconciliation Change In Foreign Enacted Tax Rate	330,000	(30,687,000)	(1,319,000)	(30,687,000)
Income Tax Reconciliation, Prior Year Income Taxes	(4,869,000)	1,778,000	(6,013,000)	1,784,000
Income Tax Reconciliation, Other Adjustments	(975,000)	63,000	(1,715,000)	415,000
Provision for income taxes	$ 57,004,000	$ 21,794,000	$ 189,230,000	$ 162,854,000
Effective Income Tax Rate, Continuing Operations	28.30%	13.90%	31.60%	28.60%

Income Tax (Narrative) - USD ($)	9 Months Ended	12 Months Ended
Income Tax (Narrative) - USD ($)	Sep. 30, 2012	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008	Dec. 31, 2007
Income Tax Disclosure [Abstract]
Cumulative Tax Benefit Adjustment	$ 30,700,000
Unrecorded Tax Benefit Adjustment Impact By Year		$ 12,000,000	$ 9,000,000	$ 6,000,000	$ 3,000,000

Employee Benefit Plans (Details) - USD ($)	3 Months Ended		9 Months Ended
Employee Benefit Plans (Details) - USD ($)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Pension Plans Defined Benefit Member
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Service Cost	$ 1,910,000	$ 1,312,000	$ 5,638,000	$ 4,324,000
Defined Benefit Plan Interest Cost	1,065,000	971,000	3,135,000	2,913,000
Expected return on plan assets	(766,000)	(734,000)	(2,299,000)	(2,203,000)
Defined Benefit Plan Amortization Of Prior Service Cost Credit	102,000	195,000	288,000	296,000
Amortization of prior actuarial loss	851,000	658,000	2,514,000	1,160,000
Total	3,162,000	2,402,000	9,276,000	6,490,000
Other Postretirement Benefit Plans Defined Benefit Member
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Service Cost	673,000	413,000	1,231,000	837,000
Defined Benefit Plan Interest Cost	418,000	335,000	935,000	776,000
Expected return on plan assets	0	0	0	0
Defined Benefit Plan Amortization Of Prior Service Cost Credit	0	0	0	0
Amortization of prior actuarial loss	380,000	147,000	557,000	265,000
Total	$ 1,471,000	$ 895,000	$ 2,723,000	$ 1,878,000

- Definition

An amount calculated as a basis for determining the extent of delayed recognition of the effects of changes in the fair value of assets. The expected return on plan assets is determined based on the expected long-term rate of return on plan assets and the market-related value of plan assets.

+ References

+ Details

- Definition

The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

+ References + Details

- Definition

The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 106
-Paragraph 518
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 87
-Paragraph 264
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 5
-Subparagraph a, h
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6962843&loc=d3e1928-114920

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Service Cost (Component of Net Periodic Pension Cost)
-URI http://asc.fasb.org/extlink&oid=6525008

+ Details

Employee Benefit Plans (Narrative)	9 Months Ended
Employee Benefit Plans (Narrative)	Sep. 30, 2012 USD ($)
Employee Benefit Plans [Abstract]
Defined Benefit Plan Contributions By Employer	$ 4,000,000
Defined Benefit Plan Estimated Future Employer Contributions In Current Fiscal Year	$ 6,200,000

Equity Based Compensation (Narrative)	9 Months Ended
Equity Based Compensation (Narrative)	Sep. 30, 2012 USD ($) $ / shares shares	Sep. 30, 2011 USD ($)
Equity Based Compensation [Abstract]
Allocated Share Based Compensation Expense \| $	$ 3,700,000	$ 3,900,000
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross	700,000
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price \| $ / shares	$ 56.65
Performance Contingent Units	200,000
Shares Granted To Non Employee Directors	10,350
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number	1,700,000
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price \| $ / shares	$ 47.43
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Remaining Contractual Term	4.5
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized \| $	$ 30,200,000
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition	2.1

Retrocession Arrangements and Reinsurance Ceded Receivables (Narrative) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2012	Dec. 31, 2011
Retrocession Arrangements And Reinsurance Ceded Receivables [Abstract]
Retrocession Pool Participants Minimum AM Best Rating	A- (excellent)	A- (excellent)
Reinsurance Claims Recoverables	$ 176,500,000	$ 151,900,000
Claims Recoverable From Retrocessionaires Past Due	$ 3,300,000	$ 11,400,000

Financing Activities (Narrative)	9 Months Ended
Financing Activities (Narrative)	Sep. 30, 2012 USD ($)
Financing Activities And Stock Transactions [Abstract]
Debt Instrument, Issuance Date	August 21, 2012
Debt Instrument, Interest Rate, Stated Percentage	6.20%
Debt Instrument, Maturity Date	Sep. 15, 2042
Debt Instrument, Face Amount	$ 400,000,000
Proceeds from Issuance of Subordinated Long-term Debt	393,700,000
Debt Issuance Costs Incurred And Capitalized	$ 6,300,000