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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]

		September 30, 2012
Outstanding principal and interest balance(1)		$	36,090
Carrying value, including accrued interest(2)		$	31,196
(1)	Represents the contractually required payments which is the sum of contractual principal, whether or not currently due, and accrued interest.
(2)	Estimated fair value plus accrued interest.

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

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