Segment Information (Tables)

6 Months Ended

Jun. 30, 2017

Segment Reporting [Abstract]

Summary of financial information related to segments

The following tables summarize segment financial information:

	Three Months Ended June 30, 2017
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	44,701	$	1,052	$	21,910		$	67,663
Fee income	29,199		236,573		1,566			267,338
Other revenue	—		3,661		—			3,661
Net investment income	192,788		92,756		11,677			297,221
Realized investment gains (losses), net	4,037		18,011		16			22,064
Total revenues	270,725		352,053		35,169			657,947
Benefits and expenses:
Policyholder benefits	198,171		50,702		20,671			269,544
Operating expenses	47,420		249,178		15,813			312,411
Total benefits and expenses	245,591		299,880		36,484			581,955
Income (loss) before income taxes	25,134		52,173		(1,315		)	75,992
Income tax expense (benefit)	8,531		17,996		(359		)	26,168
Net income (loss)	$	16,603	$	34,177	$	(956	)	$	49,824

	Three Months Ended June 30, 2016
	Individual		Empower
	Markets		Retirement		Other		Total
Revenue:
Premium income	$	51,053	$	362	$	25,403	$	76,818
Fee income	25,546		211,414		1,404		238,364
Other revenue	—		3,370		—		3,370
Net investment income	226,193		117,055		12,507		355,755
Realized investment gains (losses), net	14,771		27,242		—		42,013
Total revenues	317,563		359,443		39,314		716,320
Benefits and expenses:
Policyholder benefits	201,472		51,939		9,860		263,271
Operating expenses	54,010		266,857		18,673		339,540
Total benefits and expenses	255,482		318,796		28,533		602,811
Income (loss) before income taxes	62,081		40,647		10,781		113,509
Income tax expense (benefit)	21,247		14,486		3,977		39,710
Net income (loss)	$	40,834	$	26,161	$	6,804	$	73,799

	Six Months Ended June 30, 2017
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	176,260	$	1,143	$	42,501		$	219,904
Fee income	55,180		463,892		3,381			522,453
Other revenue	—		6,045		—			6,045
Net investment income	376,993		210,375		23,323			610,691
Realized investment gains (losses), net	4,622		5,695		(7		)	10,310
Total revenues	613,055		687,150		69,198			1,369,403
Benefits and expenses:
Policyholder benefits	468,259		98,330		42,382			608,971
Operating expenses	85,807		504,941		41,746			632,494
Total benefits and expenses	554,066		603,271		84,128			1,241,465
Income (loss) before income taxes	58,989		83,879		(14,930		)	127,938
Income tax expense (benefit)	20,182		28,421		(5,317		)	43,286
Net income (loss)	$	38,807	$	55,458	$	(9,613	)	$	84,652

	Six Months Ended June 30, 2016
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	184,339	$	707	$	46,699		$	231,745
Fee income	48,269		412,336		2,824			463,429
Other revenue	—		6,519		—			6,519
Net investment income	433,886		227,589		26,065			687,540
Realized investment gains (losses), net	26,577		46,713		(7		)	73,283
Total revenues	693,071		693,864		75,581			1,462,516
Benefits and expenses:
Policyholder benefits	468,969		101,856		29,190			600,015
Operating expenses	91,231		498,500		36,601			626,332
Total benefits and expenses	560,200		600,356		65,791			1,226,347
Income (loss) before income taxes	132,871		93,508		9,790			236,169
Income tax expense (benefit)	45,081		15,137		3,530			63,748
Net income (loss)	$	87,790	$	78,371	$	6,260		$	172,421