Segment Information (Tables)

9 Months Ended

Sep. 30, 2016

Segment Reporting [Abstract]

Summary of financial information related to segments

The following tables summarize segment financial information:

	Three Months Ended September 30, 2016
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	126,770	$	605	$	18,725		$	146,100
Fee income	23,553		221,342		1,518			246,413
Other revenue	—		3,228		—			3,228
Net investment income	185,747		94,383		11,409			291,539
Realized investment gains (losses), net	11,026		21,565		783			33,374
Total revenues	347,096		341,123		32,435			720,654
Benefits and expenses:
Policyholder benefits	280,821		51,730		14,310			346,861
Operating expenses	35,948		263,327		19,206			318,481
Total benefits and expenses	316,769		315,057		33,516			665,342
Income (loss) before income taxes	30,327		26,066		(1,081		)	55,312
Income tax expense (benefit)	10,102		5,442		(249		)	15,295
Net income (loss)	$	20,225	$	20,624	$	(832	)	$	40,017

	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

	Nine Months Ended September 30, 2016
	Individual		Empower
	Markets		Retirement		Other		Total
Revenue:
Premium income	$	311,110	$	1,311	$	65,424	$	377,845
Fee income	71,823		633,679		4,342		709,844
Other revenue	—		9,747		—		9,747
Net investment income	619,633		321,972		37,475		979,080
Realized investment gains (losses), net	37,602		68,278		777		106,657
Total revenues	1,040,168		1,034,987		108,018		2,183,173
Benefits and expenses:
Policyholder benefits	749,790		153,587		43,499		946,876
Operating expenses	127,181		761,827		55,807		944,815
Total benefits and expenses	876,971		915,414		99,306		1,891,691
Income (loss) before income taxes	163,197		119,573		8,712		291,482
Income tax expense (benefit)	55,183		20,579		3,281		79,043
Net income (loss)	$	108,014	$	98,994	$	5,431	$	212,439

	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