Investments (Tables)

3 Months Ended

Mar. 31, 2015

Investments [Abstract]

Summary Of Unrealized Appreciation (Depreciation) Of Available For Sale, Fixed Maturity And Equity Security Investments

	At March 31, 2015
	Amortized		Unrealized		Unrealized			Market		OTTI in AOCI
(Dollars in thousands)	Cost		Appreciation		Depreciation			Value		(a)
Fixed maturity securities
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	174,065	$	3,541	$	(83	)	$	177,523	$	-
Obligations of U.S. states and political subdivisions		750,672		39,084		(914	)		788,842		-
Corporate securities		1,941,982		53,670		(24,416	)		1,971,236		-
Asset-backed securities		115,357		826		(96	)		116,087		-
Mortgage-backed securities
Commercial		55,527		2,752		-			58,279		-
Agency residential		568,152		8,658		(1,449	)		575,361		-
Non-agency residential		240		37		-			277		-
Foreign government securities		459,079		30,882		(7,684	)		482,277		-
Foreign corporate securities		1,043,011		41,601		(27,575	)		1,057,037		-
Total fixed maturity securities	$	5,108,085	$	181,051	$	(62,217	)	$	5,226,919	$	-
Equity securities	$	15	$	1	$	-		$	16	$	-

	At December 31, 2014
	Amortized		Unrealized		Unrealized			Market		OTTI in AOCI
(Dollars in thousands)	Cost		Appreciation		Depreciation			Value		(a)
Fixed maturity securities
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	135,724	$	1,416	$	(304	)	$	136,836	$	-
Obligations of U.S. states and political subdivisions		783,129		41,969		(626	)		824,472		-
Corporate securities		1,992,200		39,954		(53,219	)		1,978,935		(9,735	)
Asset-backed securities		94,470		727		(374	)		94,823		-
Mortgage-backed securities
Commercial		57,027		2,292		(51	)		59,268		-
Agency residential		596,140		6,697		(4,720	)		598,117		-
Non-agency residential		271		44		-			315		-
Foreign government securities		515,016		27,415		(5,344	)		537,087		-
Foreign corporate securities		1,061,546		27,832		(25,820	)		1,063,558		-
Total fixed maturity securities	$	5,235,523	$	148,346	$	(90,458	)	$	5,293,411	$	(9,735	)
Equity securities	$	15	$	1	$	-		$	16	$	-

(a)   Represents the amount of OTTI recognized in AOCI.  Amount includes unrealized gains and losses on impaired securities relating to changes in the value of such securities subsequent to the impairment measurement date.

Summary Of Amortized Cost And Market Value Of Fixed Maturity Securities, By Contractual Maturity

	At March 31, 2015				At December 31, 2014
	Amortized		Market		Amortized		Market
(Dollars in thousands)	Cost		Value		Cost		Value
Fixed maturity securities – available for sale
Due in one year or less	$	353,025	$	352,544	$	385,721	$	384,022
Due after one year through five years		2,447,447		2,468,119		2,387,533		2,369,917
Due after five years through ten years		921,195		943,216		1,025,221		1,029,077
Due after ten years		647,142		713,036		689,140		757,872
Asset-backed securities		115,357		116,087		94,470		94,823
Mortgage-backed securities
Commercial		55,527		58,279		57,027		59,268
Agency residential		568,152		575,361		596,140		598,117
Non-agency residential		240		277		271		315
Total fixed maturity securities	$	5,108,085	$	5,226,919	$	5,235,523	$	5,293,411

Summary Of Changes In Net Unrealized Appreciation (Depreciation) For The Company's Investments

	Three Months Ended
	March 31,
(Dollars in thousands)	2015			2014
Increase (decrease) during the period between the market value and cost
of investments carried at market value, and deferred taxes thereon:
Fixed maturity securities	$	51,211		$	33,993
Fixed maturity securities, other-than-temporary impairment		9,735			-
Change in unrealized  appreciation (depreciation), pre-tax		60,946			33,993
Deferred tax benefit (expense)		(17,924	)		(11,898	)
Deferred tax benefit (expense), other-than-temporary impairment		(3,407	)		-
Change in unrealized appreciation (depreciation),
net of deferred taxes, included in stockholder's equity	$	39,615		$	22,095

Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Security Type

	Duration of Unrealized Loss at March 31, 2015 By Security Type
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities - available for sale
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	200	$	(1	)	$	2,043	$	(82	)	$	2,243	$	(83	)
Obligations of U.S. states and political subdivisions		26,973		(579	)		18,171		(335	)		45,144		(914	)
Corporate securities		362,527		(22,140	)		153,423		(2,276	)		515,950		(24,416	)
Asset-backed securities		43,245		(96	)		-		-			43,245		(96	)
Mortgage-backed securities
Commercial		-		-			-		-			-		-
Agency residential		10,595		(33	)		192,684		(1,416	)		203,279		(1,449	)
Non-agency residential		-		-			-		-			-		-
Foreign government securities		60,663		(3,273	)		46,741		(4,411	)		107,404		(7,684	)
Foreign corporate securities		133,917		(25,626	)		47,221		(1,949	)		181,138		(27,575	)
Total fixed maturity securities	$	638,120	$	(51,748	)	$	460,283	$	(10,469	)	$	1,098,403	$	(62,217	)
Equity securities		-		-			-		-			-		-
Total	$	638,120	$	(51,748	)	$	460,283	$	(10,469	)	$	1,098,403	$	(62,217	)

	Duration of Unrealized Loss at December 31, 2014 By Security Type
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities - available for sale
U.S. Treasury securities and obligations of
U.S. government agencies and corporations	$	13,187	$	(20	)	$	26,897	$	(284	)	$	40,084	$	(304	)
Obligations of U.S. states and political subdivisions		20,428		(242	)		18,199		(384	)		38,627		(626	)
Corporate securities		830,928		(48,891	)		171,207		(4,328	)		1,002,135		(53,219	)
Asset-backed securities		62,451		(374	)		-		-			62,451		(374	)
Mortgage-backed securities
Commercial		11,742		(51	)		-		-			11,742		(51	)
Agency residential		24,230		(59	)		267,824		(4,661	)		292,054		(4,720	)
Non-agency residential		-		-			-		-			-		-
Foreign government securities		45,521		(913	)		53,086		(4,431	)		98,607		(5,344	)
Foreign corporate securities		228,733		(21,704	)		117,713		(4,116	)		346,446		(25,820	)
Total fixed maturity securities	$	1,237,220	$	(72,254	)	$	654,926	$	(18,204	)	$	1,892,146	$	(90,458	)
Equity securities		-		-			-		-			-		-
Total	$	1,237,220	$	(72,254	)	$	654,926	$	(18,204	)	$	1,892,146	$	(90,458	)

Summary Of Aggregate Market Value And Gross Unrealized Depreciation Of Fixed Maturity And Equity Securities, By Contractual Maturity

	Duration of Unrealized Loss at March 31, 2015 By Maturity
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities
Due in one year or less	$	19,187	$	(1,716	)	$	24,224	$	(2,820	)	$	43,411	$	(4,536	)
Due in one year through five years		307,725		(40,128	)		165,952		(4,376	)		473,677		(44,504	)
Due in five years through ten years		222,882		(9,192	)		56,606		(1,070	)		279,488		(10,262	)
Due after ten years		34,486		(583	)		20,817		(787	)		55,303		(1,370	)
Asset-backed securities		43,245		(96	)		-		-			43,245		(96	)
Mortgage-backed securities		10,595		(33	)		192,684		(1,416	)		203,279		(1,449	)
Total fixed maturity securities	$	638,120	$	(51,748	)	$	460,283	$	(10,469	)	$	1,098,403	$	(62,217	)

	Duration of Unrealized Loss at December 31, 2014 By Maturity
	Less than 12 months					Greater than 12 months					Total
			Gross					Gross					Gross
			Unrealized					Unrealized					Unrealized
(Dollars in thousands)	Market Value		Depreciation			Market Value		Depreciation			Market Value		Depreciation
Fixed maturity securities
Due in one year or less	$	12,858	$	(550	)	$	53,528	$	(4,224	)	$	66,386	$	(4,774	)
Due in one year through five years		622,137		(51,262	)		243,192		(6,306	)		865,329		(57,568	)
Due in five years through ten years		467,187		(18,958	)		66,630		(2,018	)		533,817		(20,976	)
Due after ten years		36,615		(1,000	)		23,752		(995	)		60,367		(1,995	)
Asset-backed securities		62,451		(374	)		-		-			62,451		(374	)
Mortgage-backed securities		35,972		(110	)		267,824		(4,661	)		303,796		(4,771	)
Total fixed maturity securities	$	1,237,220	$	(72,254	)	$	654,926	$	(18,204	)	$	1,892,146	$	(90,458	)

Summary Of Components Of Net Investment Income

	Three Months Ended
	March 31,
(Dollars in thousands)	2015			2014
Fixed maturities	$	47,972		$	51,079
Equity securities		8,742			8,937
Short-term investments and cash		164			186
Other invested assets
Limited partnerships		7,379			(3,087	)
Dividends from Parent's shares		9,234			7,290
Other		625			2,021
Gross investment income before adjustments		74,116			66,426
Funds held interest income (expense)		2,521			2,109
Interest income from Parent		1,075			-
Gross investment income		77,712			68,535
Investment expenses		(5,131	)		(4,748	)
Net investment income	$	72,581		$	63,787

Summary Of Components Of Net Realized Capital Gains (Losses)

	Three Months Ended
	March 31,
(Dollars in thousands)	2015			2014
Fixed maturity securities, market value:
Other-than-temporary impairments	$	(24,121	)	$	-
Gains (losses) from sales		(11,518	)		(1,997	)
Fixed maturity securities, fair value:
Gains (losses) from sales		28			940
Gains (losses) from fair value adjustments		62			-
Equity securities, fair value:
Gains (losses) from sales		(65	)		(1,336	)
Gains (losses) from fair value adjustments		20,946			25,753
Other invested assets, fair value:
Gains (losses) from fair value adjustments		35,964			(27,410	)
Short-term investment gains (losses)		-			-
Total net realized capital gains (losses)	$	21,296		$	(4,050	)

Summary Of Gross Gains (Losses) From Sales Of Fixed Maturity And Equity Securities

	Three Months Ended
	March 31,
(Dollars in thousands)	2015			2014
Proceeds from sales of fixed maturity securities	$	114,082		$	170,341
Gross gains from sales		2,542			2,475
Gross losses from sales		(14,032	)		(3,532	)
Proceeds from sales of equity securities	$	133,960		$	176,116
Gross gains from sales		5,142			6,588
Gross losses from sales		(5,207	)		(7,924	)