Segment Information (Tables)

3 Months Ended

Mar. 31, 2018

Segment Reporting [Abstract]

Summary of financial information related to segments

The following tables summarize segment financial information:

	Three Months Ended March 31, 2018
	Individual			Empower
	Markets			Retirement			Other		Total
Revenue:
Premium income	$	123,586		$	589		$	20,507	$	144,682
Fee income	31,628			242,457			1,879		275,964
Other revenue	—			2,985			—		2,985
Net investment income	197,329			129,009			11,803		338,141
Investment (losses) gains, net	(16,670		)	(27,122		)	49		(43,743		)
Total revenues	335,873			347,918			34,238		718,029
Benefits and expenses:
Policyholder benefits	272,010			51,279			15,296		338,585
Operating expenses	42,602			259,881			14,750		317,233
Total benefits and expenses	314,612			311,160			30,046		655,818
Income before income taxes	21,261			36,758			4,192		62,211
Income tax expense	3,897			8,768			888		13,553
Net income	$	17,364		$	27,990		$	3,304	$	48,658

	Three Months Ended March 31, 2017
	Individual		Empower
	Markets		Retirement			Other			Total
Revenue:
Premium income	$	131,559	$	91		$	20,591		$	152,241
Fee income	25,981		227,320			1,815			255,116
Other revenue	—		2,384			—			2,384
Net investment income	184,205		117,620			11,646			313,471
Realized investment gains (losses), net	584		(12,316		)	(22		)	(11,754		)
Total revenues	342,329		335,099			34,030			711,458
Benefits and expenses:
Policyholder benefits	270,088		47,629			21,711			339,428
Operating expenses	38,386		255,764			25,933			320,083
Total benefits and expenses	308,474		303,393			47,644			659,511
Income (loss) before income taxes	33,855		31,706			(13,614		)	51,947
Income tax expense (benefit)	11,650		10,426			(4,959		)	17,117
Net income (loss)	$	22,205	$	21,280		$	(8,655	)	$	34,830