Segment Information (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Summary of financial information related to segments

The following tables summarize segment financial information:

	Three Months Ended March 31, 2015
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	124,962	$	—	$	20,741		$	145,703
Fee income	21,502		202,821		954			225,277
Other revenue	—		1,820		—			1,820
Net investment income	217,653		127,730		13,473			358,856
Realized investment gains (losses), net	8,400		9,800		—			18,200
Total revenues	372,517		342,171		35,168			749,856
Benefits and expenses:
Policyholder benefits	256,323		49,045		22,303			327,671
Operating expenses	35,941		221,030		14,706			271,677
Total benefits and expenses	292,264		270,075		37,009			599,348
Income (loss) before income taxes	80,253		72,096		(1,841		)	150,508
Income tax expense (benefit)	28,222		24,380		(706		)	51,896
Net income (loss)	$	52,031	$	47,716	$	(1,135	)	$	98,612

	Three Months Ended March 31, 2014
	Individual		Empower
	Markets		Retirement		Other			Total
Revenue:
Premium income	$	112,777	$	572	$	18,505		$	131,854
Fee income	23,630		141,881		1,002			166,513
Net investment income	185,520		101,174		13,329			300,023
Realized investment gains (losses), net	6,735		20,154		20			26,909
Total revenues	328,662		263,781		32,856			625,299
Benefits and expenses:
Policyholder benefits	238,997		48,480		18,902			306,379
Operating expenses	35,338		123,986		14,491			173,815
Total benefits and expenses	274,335		172,466		33,393			480,194
Income (loss) before income taxes	54,327		91,315		(537		)	145,105
Income tax expense	18,965		31,310		79			50,354
Net income (loss)	$	35,362	$	60,005	$	(616	)	$	94,751