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

3 Months Ended

Mar. 31, 2017

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, 2017 and December 31, 2016 are summarized below (dollars in thousands):

March 31, 2017:						Fair Value Measurements Using:
		Total				Level 1				Level 2				Level 3
Assets:
Fixed maturity securities – available-for-sale:
Corporate securities		$	20,161,453			$	426,837			$	18,470,691			$	1,263,925
Canadian and Canadian provincial governments		3,720,364				—				3,236,804				483,560
Residential mortgage-backed securities		1,303,877				—				1,160,447				143,430
Asset-backed securities		1,380,590				—				1,172,154				208,436
Commercial mortgage-backed securities		1,289,338				—				1,287,415				1,923
U.S. government and agencies		1,482,452				1,360,357				98,621				23,474
State and political subdivisions		595,457				—				561,599				33,858
Other foreign government supranational and foreign government-sponsored enterprises		2,761,262				313,644				2,435,274				12,344
Total fixed maturity securities – available-for-sale		32,694,793				2,100,838				28,423,005				2,170,950
Funds withheld at interest – embedded derivatives		46,173				—				—				46,173
Cash equivalents		367,562				367,562				—				—
Short-term investments		24,929				1,615				20,038				3,276
Other invested assets:
Non-redeemable preferred stock		31,215				31,215				—				—
Other equity securities		80,401				80,401				—				—
Derivatives:
Interest rate swaps		50,011				—				50,011				—
Foreign currency forwards		139				—				139				—
Credit default swaps		5,128				—				5,128				—
Equity options		17,245				—				17,245				—
Foreign currency swaps		97,660				—				97,660				—
FVO contractholder-directed unit-linked investments		193,600				192,266				1,334				—
Other		8,192				8,192				—				—
Total other invested assets		483,591				312,074				171,517				—
Other assets - longevity swaps		29,170				—				—				29,170
Total		$	33,646,218			$	2,782,089			$	28,614,560			$	2,249,569
Liabilities:
Interest sensitive contract liabilities – embedded derivatives		$	972,930			$	—			$	—			$	972,930
Other liabilities:
Derivatives:
Interest rate swaps		14,702				—				14,702				—
Foreign currency forwards		3,377				—				3,377				—
CPI swaps		244				—				244				—
Credit default swaps		(665		)		—				(665		)		—
Equity options		(9,194		)		—				(9,194		)		—
Mortality swaps		2,857				—				—				2,857
Total		$	984,251			$	—			$	8,464			$	975,787

December 31, 2016:						Fair Value Measurements Using:
		Total				Level 1				Level 2				Level 3
Assets:
Fixed maturity securities – available-for-sale:
Corporate securities		$	19,619,084			$	310,995			$	18,035,836			$	1,272,253
Canadian and Canadian provincial governments		3,644,046				—				3,168,081				475,965
Residential mortgage-backed securities		1,278,576				—				1,118,285				160,291
Asset-backed securities		1,429,344				—				1,210,064				219,280
Commercial mortgage-backed securities		1,363,654				—				1,342,509				21,145
U.S. government and agencies		1,468,302				1,345,755				98,059				24,488
State and political subdivisions		591,796				—				550,130				41,666
Other foreign government, supranational and foreign government-sponsored enterprises		2,698,823				276,729				2,409,225				12,869
Total fixed maturity securities – available-for-sale		32,093,625				1,933,479				27,932,189				2,227,957
Funds withheld at interest – embedded derivatives		(22,529		)		—				—				(22,529		)
Cash equivalents		338,601				338,601				—				—
Short-term investments		44,241				8,276				32,619				3,346
Other invested assets:
Non-redeemable preferred stock		51,123				38,317				12,806				—
Other equity securities		224,238				224,238				—				—
Derivatives:
Interest rate swaps		93,508				—				93,508				—
Credit default swaps		9,136				—				9,136				—
Equity options		26,070				—				26,070				—
Foreign currency swaps		100,394				—				100,394				—
FVO contractholder-directed unit-linked investments		190,120				188,891				1,229				—
Other		11,036				11,036				—				—
Total other invested assets		705,625				462,482				243,143				—
Other assets - longevity swaps		26,958				—				—				26,958
Total		$	33,186,521			$	2,742,838			$	28,207,951			$	2,235,732
Liabilities:
Interest sensitive contract liabilities – embedded derivatives		$	990,308			$	—			$	—			$	990,308
Other liabilities:
Derivatives:
Interest rate swaps		24,374				—				24,374				—
Foreign currency forwards		5,070				—				5,070				—
CPI swaps		262				—				262				—
Credit default swaps		(5		)		—				(5		)		—
Equity options		(7,389		)		—				(7,389		)		—
Foreign currency swaps		(3,231		)		—				(3,231		)		—
Mortality swaps		2,462				—				—				2,462
Total		$	1,011,851			$	—			$	19,081			$	992,770

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 internally by the Company as of March 31, 2017 and December 31, 2016 (dollars in thousands):

	Estimated Fair Value						Valuation Technique		Unobservable Inputs		Range (Weighted Average)
	March 31, 2017			December 31, 2016							March 31, 2017			December 31, 2016
Assets:
Corporate securities	$158,772			$167,815			Market comparable securities		Liquidity premium		0-2% (1%)			0-2%  (1%)
U.S. government and agencies	23,474			24,488			Market comparable securities		Liquidity premium		0-1% (1%)			0-1%  (1%)
State and political subdivisions	4,653			4,670			Market comparable securities		Liquidity premium		1	%		1	%
Funds withheld at interest- embedded derivatives	46,173			(22,529	)		Total return swap		Mortality		0-100%  (2%)			0-100%  (2%)
									Lapse		0-35%  (8%)			0-35%  (8%)
									Withdrawal		0-5%  (3%)			0-5%  (3%)
									CVA		0-5%  (1%)			0-5%  (1%)
									Crediting rate		2-4%  (2%)			2-4%  (2%)
Longevity swaps	29,170			26,958			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	810,657			805,672			Discounted cash flow		Mortality		0-100%  (2%)			0-100% (2%)
									Lapse		0-35%  (8%)			0-35% (8%)
									Withdrawal		0-5%  (3%)			0-5% (3%)
									Option budget projection		2-4%  (2%)			2-4% (2%)
Interest sensitive contract liabilities- embedded derivatives- variable annuities	162,273			184,636			Discounted cash  flow		Mortality		0-100% (2%)			0-100% (2%)
									Lapse		0-25% (6%)			0-25% (6%)
									Withdrawal		0-7% (3%)			0-7% (3%)
									CVA		0-5% (1%)			0-5% (1%)
									Long-term volatility		0-27% (9%)			0-27% (14%)
Mortality swaps	2,857			2,462			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 internally by the Company as of March 31, 2017 and December 31, 2016 (dollars in thousands):

	Estimated Fair Value						Valuation Technique		Unobservable Inputs		Range (Weighted Average)
	March 31, 2017			December 31, 2016							March 31, 2017			December 31, 2016
Assets:
Corporate securities	$158,772			$167,815			Market comparable securities		Liquidity premium		0-2% (1%)			0-2%  (1%)
U.S. government and agencies	23,474			24,488			Market comparable securities		Liquidity premium		0-1% (1%)			0-1%  (1%)
State and political subdivisions	4,653			4,670			Market comparable securities		Liquidity premium		1	%		1	%
Funds withheld at interest- embedded derivatives	46,173			(22,529	)		Total return swap		Mortality		0-100%  (2%)			0-100%  (2%)
									Lapse		0-35%  (8%)			0-35%  (8%)
									Withdrawal		0-5%  (3%)			0-5%  (3%)
									CVA		0-5%  (1%)			0-5%  (1%)
									Crediting rate		2-4%  (2%)			2-4%  (2%)
Longevity swaps	29,170			26,958			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	810,657			805,672			Discounted cash flow		Mortality		0-100%  (2%)			0-100% (2%)
									Lapse		0-35%  (8%)			0-35% (8%)
									Withdrawal		0-5%  (3%)			0-5% (3%)
									Option budget projection		2-4%  (2%)			2-4% (2%)
Interest sensitive contract liabilities- embedded derivatives- variable annuities	162,273			184,636			Discounted cash  flow		Mortality		0-100% (2%)			0-100% (2%)
									Lapse		0-25% (6%)			0-25% (6%)
									Withdrawal		0-7% (3%)			0-7% (3%)
									CVA		0-5% (1%)			0-5% (1%)
									Long-term volatility		0-27% (9%)			0-27% (14%)
Mortality swaps	2,857			2,462			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 table presents the transfers between Level 1 and Level 2 during the three months ended March 31, 2017 (dollars in thousands):

		2017
		Transfers from     Level 1 to Level 2				Transfers from     Level 2 to Level 1
Fixed maturity securities - available-for-sale:
Corporate securities		$	—			$	38,675

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, 2017, as well as the portion of gains or losses included in income for the three months ended March 31, 2017 attributable to unrealized gains or losses related to those assets and liabilities still held at March 31, 2017 (dollars in thousands):

For the three months ended March 31, 2017:		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		$	1,272,253			$	475,965			$	160,291			$	219,280			$	21,145			$	24,488
Total gains/losses (realized/unrealized)
Included in earnings, net:
Investment income, net of related expenses		(423		)		3,070				(245		)		1,018				709				(117		)
Investment related gains (losses), net		(1,231		)		—				365				—				(595		)		—
Included in other comprehensive income		4,948				4,525				650				5,767				(83		)		52
Other revenues		—				—				—				—				—				—
Purchases(1)		45,914				—				16,499				10,849				—				104
Sales(1)		—				—				(10,604		)		—				(3,720		)		—
Settlements(1)		(71,470		)		—				(6,784		)		(18,154		)		(5,401		)		(1,053		)
Transfers into Level 3		13,934				—				77				35,258				—				—
Transfers out of Level 3		—				—				(16,819		)		(45,582		)		(10,132		)		—
Fair value, end of period		$	1,263,925			$	483,560			$	143,430			$	208,436			$	1,923			$	23,474
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		$	(423	)		$	3,070			$	(91	)		$	161			$	—			$	(117	)
Investment related gains (losses), net		(1,293		)		—				(346		)		—				—				—

For the three months ended March 31, 2017 (continued):		Fixed maturity securities available-for-sale
		State and political subdivisions				Other foreign government, supranational and foreign government-sponsored enterprises				Short-term Investments				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		$	41,666			$	12,869			$	3,346			$	(22,529	)		$	26,958			$	(990,308	)		$	(2,462	)
Total gains/losses (realized/unrealized)
Included in earnings, net:
Investment income, net of related expenses		(88		)		—				—				—				—				—				—
Investment related gains (losses), net		—				—				—				68,702				—				22,362				—
Interest credited		—				—				—				—				—				(16,402		)		—
Included in other comprehensive income		(843		)		(191		)		33				—				347				—				—
Other revenues		—				—				—				—				1,865				—				(395		)
Purchases(1)		—				—				32				—				—				(6,393		)		—
Settlements(1)		(33		)		(334		)		(135		)		—				—				17,811				—
Transfers out of Level 3		(6,844		)		—				—				—				—				—				—
Fair value, end of period		$	33,858			$	12,344			$	3,276			$	46,173			$	29,170			$	(972,930	)		$	(2,857	)
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		$	(88	)		$	—			$	—			$	—			$	—			$	—			$	—
Investment related gains (losses), net		—				—				—				68,702				—				20,300				—
Other revenues		—				—				—				—				1,865				—				(395		)
Interest credited		—				—				—				—				—				(34,214		)		—

(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, 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		)		—
Included in other comprehensive income		25,682				68,305				(4,332		)		(10,527		)		(2,812		)		596
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		)		—

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		)		—
Interest credited		—				—				—				—				1,394				—
Included in other comprehensive income		333				193				—				723				—				—
Other revenues		—				—				—				87				—				(424		)
Purchases(1)		—				—				—				—				(2,668		)		—
Settlements(1)		(31		)		(322		)		—				—				16,729				—
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		)
Interest credited		—				—				—				—				(15,335		)		—

(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 three months ended March 31, 2016 and still held at the reporting date (for example, when there is evidence of impairment). The estimated fair values for these assets were determined using significant unobservable inputs (Level 3).

(dollars in thousands)		Carrying Value After Measurement				Net Investment Gains (Losses)
Mortgage loans(1)		$	9,663			$	(302	)
Limited partnership interests(2)		4,298				(2,053		)

(1) Estimated fair values for impaired mortgage loans are based on internal valuation models using unobservable inputs or, if the loans are in foreclosure or are otherwise determined to be collateral dependent, are based on external appraisals of the underlying collateral.

(2) 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, 2017 and December 31, 2016 (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, 2017:		Carrying Value				Estimated  Fair Value				Fair Value Measurement Using:
										Level 1				Level 2				Level 3				NAV
Assets:
Mortgage loans on real estate		$	3,871,309			$	3,909,506			$	—			$	—			$	3,909,506			$	—
Policy loans		1,402,940				1,402,940				—				1,402,940				—				—
Funds withheld at interest(1)		5,895,159				6,202,931				—				—				6,202,931				—
Cash and cash equivalents(2)		810,552				810,552				810,552				—				—				—
Short-term investments(2)		29,359				29,359				29,359				—				—				—
Other invested assets(2)		523,365				555,707				26,802				60,492				167,947				300,466
Accrued investment income		360,225				360,225				—				360,225				—				—
Liabilities:
Interest-sensitive contract liabilities(1)		$	10,279,136			$	10,237,636			$	—			$	—			$	10,237,636			$	—
Long-term debt		2,788,619				2,964,610				—				—				2,964,610				—
Collateral finance and securitization notes		825,526				732,353				—				—				732,353				—
December 31, 2016:		Carrying Value				Estimated Fair Value				Fair Value Measurement Using:
										Level 1				Level 2				Level 3				NAV
Assets:
Mortgage loans on real estate		$	3,775,522			$	3,786,987			$	—			$	—			$	3,786,987			$	—
Policy loans		1,427,602				1,427,602				—				1,427,602				—				—
Funds withheld at interest(1)		5,893,381				6,193,166				—				—				6,193,166				—
Cash and cash equivalents(2)		862,117				862,117				862,117				—				—				—
Short-term investments(2)		32,469				32,469				32,469				—				—				—
Other invested assets(2)		477,132				510,640				26,294				55,669				131,904				296,773
Accrued investment income		347,173				347,173				—				347,173				—				—
Liabilities:
Interest-sensitive contract liabilities(1)		$	10,225,099			$	10,234,544			$	—			$	—			$	10,234,544			$	—
Long-term debt		3,088,635				3,186,173				—				—				3,186,173				—
Collateral finance and securitization notes		840,700				745,805				—				—				745,805				—

(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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