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Fair Value of Assets and Liabilities Fair Value of Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2016

Fair Value Disclosures [Abstract]

Schedule Of Fair Value Assets and Liabilities Measured on Recurring Basis Table Text Block

Assets and liabilities measured at fair value on a recurring basis as of March 31, 2016 and December 31, 2015 are summarized below (dollars in thousands):

March 31, 2016:						Fair Value Measurements Using:
		Total				Level 1				Level 2				Level 3
Assets:
Fixed maturity securities – available-for-sale:
Corporate securities		$	18,512,048			$	265,592			$	17,002,796			$	1,243,660
Canadian and Canadian provincial governments		3,881,117				—				3,393,734				487,383
Residential mortgage-backed securities		1,380,897				—				1,047,644				333,253
Asset-backed securities		1,289,381				—				1,004,161				285,220
Commercial mortgage-backed securities		1,508,183				—				1,444,609				63,574
U.S. government and agencies		1,507,080				1,349,361				131,839				25,880
State and political subdivisions		552,243				—				517,619				34,624
Other foreign government supranational and foreign government-sponsored enterprises		2,517,765				255,913				2,247,916				13,936
Total fixed maturity securities – available-for-sale		31,148,714				1,870,866				26,790,318				2,487,530
Funds withheld at interest – embedded derivatives		(168,948		)		—				—				(168,948		)
Cash equivalents		577,884				577,884				—				—
Short-term investments		364,214				353,227				10,987				—
Other invested assets:
Non-redeemable preferred stock		78,085				62,668				15,417				—
Other equity securities		39,791				39,791				—				—
Derivatives:
Interest rate swaps		131,665				—				131,665				—
Foreign currency forwards		915				—				915				—
CPI swaps		(402		)		—				(402		)		—
Credit default swaps		4,162				—				4,162				—
Equity options		40,096				—				40,096				—
Foreign currency swaps		106,518				—				106,518				—
FVO contractholder-directed unit-linked investments		202,130				200,844				1,286				—
Other		29,270				29,270				—				—
Total other invested assets		632,230				332,573				299,657				—
Other assets - longevity swaps		15,806				—				—				15,806
Total		$	32,569,900			$	3,134,550			$	27,100,962			$	2,334,388
Liabilities:
Interest sensitive contract liabilities – embedded derivatives		$	1,118,069			$	—			$	—			$	1,118,069
Other liabilities:
Derivatives:
Interest rate swaps		12,410				—				12,410				—
Foreign currency forwards		3,312				—				3,312				—
Credit default swaps		3,177				—				3,177				—
Equity options		(7,004		)		—				(7,004		)		—
Foreign currency swaps		1,685				—				1,685				—
Mortality swaps		3,043				—				—				3,043
Total		$	1,134,692			$	—			$	13,580			$	1,121,112

December 31, 2015:						Fair Value Measurements Using:
		Total				Level 1				Level 2				Level 3
Assets:
Fixed maturity securities – available-for-sale:
Corporate securities		$	17,708,156			$	269,039			$	16,212,147			$	1,226,970
Canadian and Canadian provincial governments		3,576,759				—				3,160,683				416,076
Residential mortgage-backed securities		1,311,477				—				980,828				330,649
Asset-backed securities		1,212,676				—				908,840				303,836
Commercial mortgage-backed securities		1,483,087				—				1,414,524				68,563
U.S. government and agencies		1,381,659				1,227,858				127,536				26,265
State and political subdivisions		511,014				—				472,672				38,342
Other foreign government, supranational and foreign government-sponsored enterprises		2,458,077				260,552				2,183,460				14,065
Total fixed maturity securities – available-for-sale		29,642,905				1,757,449				25,460,690				2,424,766
Funds withheld at interest – embedded derivatives		(76,698		)		—				—				(76,698		)
Cash equivalents		406,521				406,521				—				—
Short-term investments		530,773				524,946				5,827				—
Other invested assets:
Non-redeemable preferred stock		87,520				81,809				5,711				—
Other equity securities		38,342				38,342				—				—
Derivatives:
Interest rate swaps		71,882				—				71,882				—
Foreign currency forwards		20				—				20				—
CPI swaps		(292		)		—				(292		)		—
Credit default swaps		2,567				—				2,567				—
Equity options		40,644				—				40,644				—
Foreign currency swaps		141,357				—				141,357				—
FVO contractholder-directed unit-linked investments		197,547				195,317				2,230				—
Other		8,170				8,170				—				—
Total other invested assets		587,757				323,638				264,119				—
Other assets - longevity swaps		14,996				—				—				14,996
Total		$	31,106,254			$	3,012,554			$	25,730,636			$	2,363,064
Liabilities:
Interest sensitive contract liabilities – embedded derivatives		$	1,070,584			$	—			$	—			$	1,070,584
Other liabilities:
Derivatives:
Interest rate swaps		20,989				—				20,989				—
Foreign currency forwards		6,744				—				6,744				—
Credit default swaps		5,390				—				5,390				—
Equity options		(6,009		)		—				(6,009		)		—
Foreign currency swaps		(4,908		)		—				(4,908		)		—
Mortality swaps		2,619				—				—				2,619
Total		$	1,095,409			$	—			$	22,206			$	1,073,203

Fair Value Unobservable Input Measurements [Table Text Block]

The following table presents quantitative information about significant unobservable inputs used in Level 3 fair value measurements that are developed by the Company, which does not include unobservable Level 3 asset and liability measurements provided by third parties, as of March 31, 2016 and December 31, 2015 (dollars in thousands):

	Estimated Fair Value						Valuation Technique		Unobservable Inputs		Range (Weighted Average)
	March 31, 2016			December 31, 2015							March 31, 2016			December 31, 2015
Assets:
Corporate securities	$169,039			$195,557			Market comparable securities		Liquidity premium		0-1% (1%)			0-2%  (1%)
U.S. government and agencies	25,880			26,265			Market comparable securities		Liquidity premium		0-1% (1%)			0-1%  (1%)
State and political subdivisions	4,889			4,770			Market comparable securities		Liquidity premium		1	%		1	%
Funds withheld at interest- embedded derivatives	(168,948	)		(76,698	)		Total return swap		Mortality		0-100%  (2%)			0-100%  (2%)
									Lapse		0-35%  (7%)			0-35%  (7%)
									Withdrawal		0-5%  (3%)			0-5%  (3%)
									CVA		0-5%  (1%)			0-5%  (1%)
									Crediting rate		2-4%  (3%)			2-4%  (3%)
Longevity swaps	15,806			14,996			Discounted cash flow		Mortality		0-100%  (2%)			0-100%  (2%)
									Mortality improvement		(10%)-10%  (3%)			(10%)-10%  (3%)
Liabilities:
Interest sensitive contract liabilities- embedded derivatives- indexed annuities	862,658			878,114			Discounted cash flow		Mortality		0-100%  (2%)			0-100% (2%)
									Lapse		0-35%  (7%)			0-35% (7%)
									Withdrawal		0-5%  (3%)			0-5% (3%)
									Option budget projection		2-4%  (3%)			2-4% (3%)
Interest sensitive contract liabilities- embedded derivatives- variable annuities	255,411			192,470			Discounted cash  flow		Mortality		0-100% (2%)			0-100% (2%)
									Lapse		0-25% (7%)			0-25% (7%)
									Withdrawal		0-7% (3%)			0-7% (3%)
									CVA		0-5% (1%)			0-5% (1%)
									Long-term volatility		0-27% (14%)			0-27% (14%)
Mortality swaps	3,043			2,619			Discounted cash flow		Mortality		0-100%  (1%)			0-100%  (1%)

Fair Value Inputs, Liabilities, Quantitative Information [Table Text Block]

The following table presents quantitative information about significant unobservable inputs used in Level 3 fair value measurements that are developed by the Company, which does not include unobservable Level 3 asset and liability measurements provided by third parties, as of March 31, 2016 and December 31, 2015 (dollars in thousands):

	Estimated Fair Value						Valuation Technique		Unobservable Inputs		Range (Weighted Average)
	March 31, 2016			December 31, 2015							March 31, 2016			December 31, 2015
Assets:
Corporate securities	$169,039			$195,557			Market comparable securities		Liquidity premium		0-1% (1%)			0-2%  (1%)
U.S. government and agencies	25,880			26,265			Market comparable securities		Liquidity premium		0-1% (1%)			0-1%  (1%)
State and political subdivisions	4,889			4,770			Market comparable securities		Liquidity premium		1	%		1	%
Funds withheld at interest- embedded derivatives	(168,948	)		(76,698	)		Total return swap		Mortality		0-100%  (2%)			0-100%  (2%)
									Lapse		0-35%  (7%)			0-35%  (7%)
									Withdrawal		0-5%  (3%)			0-5%  (3%)
									CVA		0-5%  (1%)			0-5%  (1%)
									Crediting rate		2-4%  (3%)			2-4%  (3%)
Longevity swaps	15,806			14,996			Discounted cash flow		Mortality		0-100%  (2%)			0-100%  (2%)
									Mortality improvement		(10%)-10%  (3%)			(10%)-10%  (3%)
Liabilities:
Interest sensitive contract liabilities- embedded derivatives- indexed annuities	862,658			878,114			Discounted cash flow		Mortality		0-100%  (2%)			0-100% (2%)
									Lapse		0-35%  (7%)			0-35% (7%)
									Withdrawal		0-5%  (3%)			0-5% (3%)
									Option budget projection		2-4%  (3%)			2-4% (3%)
Interest sensitive contract liabilities- embedded derivatives- variable annuities	255,411			192,470			Discounted cash  flow		Mortality		0-100% (2%)			0-100% (2%)
									Lapse		0-25% (7%)			0-25% (7%)
									Withdrawal		0-7% (3%)			0-7% (3%)
									CVA		0-5% (1%)			0-5% (1%)
									Long-term volatility		0-27% (14%)			0-27% (14%)
Mortality swaps	3,043			2,619			Discounted cash flow		Mortality		0-100%  (1%)			0-100%  (1%)

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

The following tables present the transfers between Level 1 and Level 2 during the three months ended March 31, 2016 and 2015 (dollars in thousands):

		2016								2015
		Transfers from     Level 1 to Level 2				Transfers from     Level 2 to Level 1				Transfers from     Level 1 to Level 2				Transfers from     Level 2 to Level 1
Three months ended March 31:
Fixed maturity securities - available-for-sale:
Corporate securities		$	—			$	—			$	625			$	5,100

Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The tables below provide a summary of the changes in fair value of Level 3 assets and liabilities for the three months ended March 31, 2016, as well as the portion of gains or losses included in income for the three months ended March 31, 2016 attributable to unrealized gains or losses related to those assets and liabilities still held at March 31, 2016 (dollars in thousands):

For the three months ended March 31, 2016:		Fixed maturity securities - available-for-sale
		Corporate securities				Canadian and Canadian provincial governments				Residential mortgage- backed securities				Asset-backed securities				Commercial     mortgage- backed securities				U.S. government and agencies
Fair value, beginning of period		$	1,226,970			$	416,076			$	330,649			$	303,836			$	68,563			$	26,265
Total gains/losses (realized/unrealized)
Included in earnings, net:
Investment income, net of related expenses		(827		)		3,002				(487		)		174				643				(123		)
Investment related gains (losses), net		(21,868		)		—				(31		)		278				(620		)		—
Claims & other policy benefits		—				—				—				—				—				—
Interest credited		—				—				—				—				—				—
Policy acquisition costs and other insurance expenses		—				—				—				—				—				—
Included in other comprehensive income		25,682				68,305				(4,332		)		(10,527		)		(2,812		)		596
Other revenues		—				—				—				—				—				—
Purchases(1)		67,596				—				29,315				37,271				1,545				113
Sales(1)		(9,582		)		—				(448		)		(8,500		)		(3,638		)		—
Settlements(1)		(49,494		)		—				(11,440		)		(3,725		)		(69		)		(971		)
Transfers into Level 3		5,183				—				38				6,398				—				—
Transfers out of Level 3		—				—				(10,011		)		(39,985		)		(38		)		—
Fair value, end of period		$	1,243,660			$	487,383			$	333,253			$	285,220			$	63,574			$	25,880
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		$	(820	)		$	3,002			$	(488	)		$	163			$	546			$	(123	)
Investment related gains (losses), net		(21,726		)		—				—				—				(657		)		—
Claims & other policy benefits		—				—				—				—				—				—
Interest credited		—				—				—				—				—				—
Policy acquisition costs and other insurance expenses		—				—				—				—				—				—

For the three months ended March 31, 2016 (continued):		Fixed maturity securities available-for-sale
		State and political subdivisions				Other foreign government, supranational and foreign government-sponsored enterprises				Funds withheld at interest- embedded derivatives				Other assets - longevity swaps				Interest sensitive contract liabilities embedded derivatives				Other liabilities - mortality swaps
Fair value, beginning of period		$	38,342			$	14,065			$	(76,698	)		$	14,996			$	(1,070,584	)		$	(2,619	)
Total gains/losses (realized/unrealized)
Included in earnings, net:
Investment income, net of related expenses		183				—				—				—				—				—
Investment related gains (losses), net		—				—				(92,250		)		—				(62,940		)		—
Claims & other policy benefits		—				—				—				—				—				—
Interest credited		—				—				—				—				1,394				—
Policy acquisition costs and other insurance expenses		—				—				—				—				—				—
Included in other comprehensive income		333				193				—				723				—				—
Other revenues		—				—				—				87				—				(424		)
Purchases(1)		—				—				—				—				(2,668		)		—
Sales(1)		—				—				—				—				—				—
Settlements(1)		(31		)		(322		)		—				—				16,729				—
Transfers into Level 3		—				—				—				—				—				—
Transfers out of Level 3		(4,203		)		—				—				—				—				—
Fair value, end of period		$	34,624			$	13,936			$	(168,948	)		$	15,806			$	(1,118,069	)		$	(3,043	)
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		$	183			$	—			$	—			$	—			$	—			$	—
Investment related gains (losses), net		—				—				(92,250		)		—				(65,479		)		—
Other revenues		—				—				—				87				—				(424		)
Claims & other policy benefits		—				—				—				—				—				—
Interest credited		—				—				—				—				(15,335		)		—
Policy acquisition costs and other insurance expenses		—				—				—				—				—				—

(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 months ended March 31, 2015, as well as the portion of gains or losses included in income for the three months ended March 31, 2015 attributable to unrealized gains or losses related to those assets and liabilities still held at March 31, 2015 (dollars in thousands):

For the three months ended March 31, 2015:		Fixed maturity securities - available-for-sale
		Corporate securities				Residential mortgage-backed securities				Asset-backed securities				Commercial mortgage-backed securities				U.S. government and agencies				State and political subdivisions
Fair value, beginning of period		$	1,310,427			$	188,094			$	572,960			$	86,746			$	28,529			$	42,711
Total gains/losses (realized/unrealized)
Included in earnings, net:
Investment income, net of related expenses		(803		)		(140		)		1,419				594				(19		)		7
Investment related gains (losses), net		(405		)		(82		)		73				87				(107		)		(4		)
Claims & other policy benefits		—				—				—				—				—				—
Interest credited		—				—				—				—				—				—
Policy acquisition costs and other insurance expenses		—				—				—				—				—				—
Included in other comprehensive income		6,069				523				3,632				(310		)		176				25
Purchases (1)		36,900				11,439				40,991				—				121				—
Sales(1)		—				(714		)		(7,356		)		(956		)		—				—
Settlements(1)		(59,600		)		(5,719		)		(4,122		)		(5,120		)		(944		)		(29		)
Transfers into Level 3		—				600				9,055				12,828				—				—
Transfers out of Level 3		(5,609		)		(1,422		)		(7,216		)		—				—				(835		)
Fair value, end of period		$	1,286,979			$	192,579			$	609,436			$	93,869			$	27,756			$	41,875
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		$	(803	)		$	(141	)		$	1,399			$	589			$	(19	)		$	7
Investment related gains (losses), net		—				—				—				—				—				—
Claims & other policy benefits		—				—				—				—				—				—
Interest credited		—				—				—				—				—				—
Policy acquisition costs and other insurance expenses		—				—				—				—				—				—

For the three months ended March 31, 2015 (continued):		Fixed maturity securities available-for-sale
		Other foreign government, supranational and foreign government-sponsored enterprises				Funds withheld at interest- embedded derivatives				Other invested assets - non-redeemable preferred stock				Other assets - longevity swaps				Interest sensitive contract liabilities embedded derivatives				Other liabilities - mortality swaps
Fair value, beginning of period		$	19,663			$	22,094			$	7,904			$	7,727			$	(1,085,166	)		$	(797	)
Total gains/losses (realized/unrealized)
Included in earnings, net:
Investment income, net of related expenses		—				—				—				—				—				—
Investment related gains (losses), net		—				(2,325		)		—				—				(25,133		)		—
Claims & other policy benefits		—				—				—				—				—				—
Interest credited		—				—				—				—				—				—
Policy acquisition costs and other insurance expenses		—				—				—				—				(29,326		)		—
Included in other comprehensive income		182				—				88				1,821				—				—
Other revenues		—				—				—				(946		)		—				(479		)
Purchases(1)		—				—				29				—				(11,644		)		—
Sales(1)		—				—				—				—				—				—
Settlements(1)		(310		)		—				—				—				—				—
Transfers into Level 3		—				—				—				—				18,999				—
Transfers out of Level 3		(4,333		)		—				(29		)		—				—				—
Fair value, end of period		$	15,202			$	19,769			$	7,992			$	8,602			$	(1,132,270	)		$	(1,276	)
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		—				—				—				—				(28,245		)		—
Other revenues		—				—				—				(946		)		—				(479		)
Claims & other policy benefits		—				—				—				—				—				—
Interest credited		—				(2,325		)		—				—				(48,324		)		—
Policy acquisition costs and other insurance expenses		—				—				—				—				—				—

(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.

Fair Value, Assets and Liabilities Measured on Nonrecurring Basis [Table Text Block]

The following table presents information for assets measured at estimated fair value on a nonrecurring basis during the periods presented; they are subject to fair value adjustments only in certain circumstances (for example, when there is evidence of impairment). The estimated fair values for these assets were determined using significant unobservable inputs (Level 3).

		Carrying Value After Measurement								Net Investment Gains (Losses)
		At March 31,								Three months ended March 31,
(dollars in thousands)		2016				2015				2016				2015
Mortgage loans(1)		$	9,663			$	3,540			$	(302	)		$	50
Limited partnership interests(2)		4,298				13,667				(2,053		)		(4,509		)

(1) Mortgage loans — The impaired mortgage loans presented above were written down to their estimated fair values at the date the impairments were recognized and are reported as losses above. Subsequent improvements in estimated fair value on previously impaired loans recorded through a reduction in the previously established valuation allowance are reported as gains above. Nonrecurring fair value adjustments on mortgage loans are based on the fair value of underlying collateral or discounted cash flows.

(2) Limited partnership interests — The impaired limited partnership interests presented above were accounted for using the cost method. Impairments on these cost method investments were recognized at estimated fair value determined using the net asset values of the Company’s ownership interest as provided in the financial statements of the investees. The market for these investments has limited activity and price transparency.

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

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 March 31, 2016 and December 31, 2015 (dollars in thousands). This table excludes any payables or receivables for collateral under repurchase agreements and other transactions. The estimated fair value of the excluded amount approximates carrying value as they equal the amount of cash collateral received/paid.

March 31, 2016:		Carrying Value				Estimated  Fair Value				Fair Value Measurement Using:
										Level 1				Level 2				Level 3				NAV
Assets:
Mortgage loans on real estate		$	3,292,496			$	3,397,398			$	—			$	—			$	3,397,398			$	—
Policy loans		1,451,857				1,451,857				—				1,451,857				—				—
Funds withheld at interest(1)		5,963,937				6,321,182				—				—				6,321,182				—
Cash and cash equivalents(2)		924,198				924,198				924,198				—				—				—
Short-term investments(2)		67,321				67,321				67,321				—				—				—
Other invested assets(2)		392,671				425,652				4,628				36,724				99,801				284,499
Accrued investment income		364,432				364,432				—				364,432				—				—
Liabilities:																						—
Interest-sensitive contract liabilities(1)		$	10,133,638			$	10,129,026			$	—			$	—			$	10,129,026			$	—
Short-term debt		299,739				309,900				—				—				309,900				—
Long-term debt		1,997,970				2,062,232				—				—				2,062,232				—
Collateral finance and securitization notes		899,482				805,612				—				—				805,612				—
December 31, 2015:		Carrying Value				Estimated Fair Value				Fair Value Measurement Using:
										Level 1				Level 2				Level 3				NAV
Assets:
Mortgage loans on real estate		$	3,129,951			$	3,197,808			$	—			$	—			$	3,197,808			$	—
Policy loans		1,468,796				1,468,796				—				1,468,796				—				—
Funds withheld at interest(1)		5,956,380				6,311,780				—				—				6,311,780				—
Cash and cash equivalents(2)		1,118,754				1,118,754				1,118,754				—				—				—
Short-term investments(2)		27,511				27,511				27,511				—				—				—
Other invested assets(2)		399,799				444,342				4,445				34,886				111,412				293,599
Accrued investment income		339,452				339,452				—				339,452				—				—
Liabilities:
Interest-sensitive contract liabilities(1)		$	9,746,870			$	9,841,576			$	—			$	—			$	9,841,576			$	—
Long-term debt		2,297,548				2,415,119				—				—				2,415,119				—
Collateral finance and securitization notes		899,161				791,275				—				—				791,275				—

(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.

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