Segment Information (Tables)

9 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Summary of financial information related to segments

The following tables summarize segment financial information:

	Three Months Ended September 30, 2015
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	132,761	$	477	$	20,779		$	154,017
Fee income	19,745		204,488		1,009			225,242
Other revenue	—		1,820		—			1,820
Net investment income	222,445		127,160		13,452			363,057
Realized investment gains (losses), net	8,304		14,247		—			22,551
Total revenues	383,255		348,192		35,240			766,687
Benefits and expenses:
Policyholder benefits	270,614		54,401		32,599			357,614
Operating expenses	49,407		242,841		18,544			310,792
Total benefits and expenses	320,021		297,242		51,143			668,406
Income (loss) before income taxes	63,234		50,950		(15,903		)	98,281
Income tax expense (benefit)	21,539		14,884		(5,715		)	30,708
Net income (loss)	$	41,695	$	36,066	$	(10,188	)	$	67,573

	Three Months Ended September 30, 2014
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	151,831	$	173	$	17,539		$	169,543
Fee income	20,781		160,241		969			181,991
Net investment income	181,944		96,771		13,346			292,061
Realized investment gains (losses), net	9,458		13,777		295			23,530
Total revenues	364,014		270,962		32,149			667,125
Benefits and expenses:
Policyholder benefits	282,985		51,396		27,610			361,991
Operating expenses	46,463		153,970		14,410			214,843
Total benefits and expenses	329,448		205,366		42,020			576,834
Income (loss) before income taxes	34,566		65,596		(9,871		)	90,291
Income tax expense (benefit)	11,598		21,912		(3,720		)	29,790
Net income (loss)	$	22,968	$	43,684	$	(6,151	)	$	60,501

	Nine Months Ended September 30, 2015
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	308,976	$	493	$	64,968		$	374,437
Fee income	66,214		618,841		2,965			688,020
Other revenue	—		5,460		—			5,460
Net investment income	595,757		305,969		40,356			942,082
Realized investment gains (losses), net	20,256		36,257		97			56,610
Total revenues	991,203		967,020		108,386			2,066,609
Benefits and expenses:
Policyholder benefits	725,526		151,194		80,883			957,603
Operating expenses	116,770		704,047		50,091			870,908
Total benefits and expenses	842,296		855,241		130,974			1,828,511
Income (loss) before income taxes	148,907		111,779		(22,588		)	238,098
Income tax expense (benefit)	51,262		35,651		(7,987		)	78,926
Net income (loss)	$	97,645	$	76,128	$	(14,601	)	$	159,172

	Nine Months Ended September 30, 2014
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	302,070	$	1,213	$	60,610		$	363,893
Fee income	71,349		446,201		2,959			520,509
Net investment income	554,508		316,724		40,462			911,694
Realized investment gains (losses), net	26,182		60,933		380			87,495
Total revenues	954,109		825,071		104,411			1,883,591
Benefits and expenses:
Policyholder benefits	700,694		151,397		78,976			931,067
Operating expenses	123,892		433,529		44,574			601,995
Total benefits and expenses	824,586		584,926		123,550			1,533,062
Income (loss) before income taxes	129,523		240,145		(19,139		)	350,529
Income tax expense (benefit)	44,516		82,271		(6,463		)	120,324
Net income (loss)	$	85,007	$	157,874	$	(12,676	)	$	230,205