Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenues:
Premium income	$ 154,927	$ 145,703
Fee income	225,067	225,277
Other revenue	3,149	1,820
Net investment income	331,785	358,856
Realized investment gains (losses), net:
Total other-than-temporary gains (losses), net	(536)	(558)
Other-than-temporary (gains) losses, net, transferred to other comprehensive income (loss)	0	108
Other realized investment gains (losses), net	31,806	18,650
Total realized investment gains (losses), net	31,270	18,200
Total revenues	746,198	749,856
Benefits and expenses:
Life and other policy benefits	186,636	149,539
(Decrease) increase in future policy benefits	(14,015)	17,351
Interest credited or paid to contractholders	148,310	142,891
Provision for policyholders’ share of losses on participating business	(169)	(451)
Dividends to policyholders	15,981	18,341
Total benefits	336,743	327,671
General insurance expenses	276,528	244,484
Amortization of DAC and VOBA	539	17,556
Interest expense	9,724	9,637
Total benefits and expenses	623,534	599,348
Income before income taxes	122,664	150,508
Income tax expense	24,038	51,896
Net income	$ 98,626	$ 98,612