Segment Information (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Summary of financial information related to segments

The following tables summarize segment financial information:

	Three Months Ended September 30, 2018
	Individual		Empower
	Markets		Retirement			Other		Total
Revenue:
Premium income	$	123,915	$	914		$	6,124	$	130,953
Fee income	31,984		257,038			1,768		290,790
Other revenue	—		3,078			—		3,078
Net investment income	191,167		118,960			12,298		322,425
Investment gains (losses), net	6,020		(1,612		)	1		4,409
Total revenues	353,086		378,378			20,191		751,655
Benefits and expenses:
Policyholder benefits	284,538		54,652			3,804		342,994
Operating expenses	43,222		269,131			7,639		319,992
Total benefits and expenses	327,760		323,783			11,443		662,986
Income before income taxes	25,326		54,595			8,748		88,669
Income tax expense	3,640		11,761			1,886		17,287
Net income	$	21,686	$	42,834		$	6,862	$	71,382

	Three Months Ended September 30, 2017
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	125,757	$	764	$	18,983		$	145,504
Fee income	27,780		234,957		1,567			264,304
Other revenue	—		3,322		—			3,322
Net investment income	185,447		103,334		11,801			300,582
Realized investment gains (losses), net	2,389		11,472		—			13,861
Total revenues	341,373		353,849		32,351			727,573
Benefits and expenses:
Policyholder benefits	272,396		53,736		18,109			344,241
Operating expenses	41,332		255,623		18,108			315,063
Total benefits and expenses	313,728		309,359		36,217			659,304
Income (loss) before income taxes	27,645		44,490		(3,866		)	68,269
Income tax expense (benefit)	9,398		13,641		(1,351		)	21,688
Net income (loss)	$	18,247	$	30,849	$	(2,515	)	$	46,581

	Nine Months Ended September 30, 2018
	Individual		Empower
	Markets		Retirement			Other		Total
Revenue:
Premium income	$	297,456	$	2,589		$	53,745	$	353,790
Fee income	96,778		751,341			5,331		853,450
Other revenue	—		9,140			—		9,140
Net investment income	585,900		365,257			36,880		988,037
Investment gains (losses), net	21,467		(20,596		)	51		922
Total revenues	1,001,601		1,107,731			96,007		2,205,339
Benefits and expenses:
Policyholder benefits	758,101		159,899			24,264		942,264
Operating expenses	144,247		787,883			54,186		986,316
Total benefits and expenses	902,348		947,782			78,450		1,928,580
Income before income taxes	99,253		159,949			17,557		276,759
Income tax expense	17,672		36,538			3,881		58,091
Net income	$	81,581	$	123,411		$	13,676	$	218,668

	Nine Months Ended September 30, 2017
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	302,017	$	1,908	$	61,483		$	365,408
Fee income	82,960		698,850		4,948			786,758
Other revenue	—		9,367		—			9,367
Net investment income	562,440		313,710		35,124			911,274
Realized investment gains (losses), net	7,010		17,168		(7		)	24,171
Total revenues	954,427		1,041,003		101,548			2,096,978
Benefits and expenses:
Policyholder benefits	740,655		152,067		60,491			953,213
Operating expenses	127,137		760,564		59,854			947,555
Total benefits and expenses	867,792		912,631		120,345			1,900,768
Income (loss) before income taxes	86,635		128,372		(18,797		)	196,210
Income tax expense (benefit)	29,579		42,063		(6,669		)	64,973
Net income (loss)	$	57,056	$	86,309	$	(12,128	)	$	131,237