Condensed Consolidated Statements of Stockholder's Equity - USD ($) $ in Thousands	Total		Common stock	Additional paid-in capital	Accumulated other comprehensive income	Retained earnings
Beginning balance at Dec. 31, 2014	$ 2,137,513		$ 7,032	$ 777,664	$ 603,018	$ 749,799
Increase (Decrease) in Stockholder's Equity
Net income	159,172					159,172
Other comprehensive income (loss), net of income taxes	(192,401)	[1]			(192,401)
Dividends	(139,711)					(139,711)
Capital contribution - stock-based compensation	1,247			1,247
Income tax benefit on stock-based compensation	1,031			1,031
Ending balance at Sep. 30, 2015	1,966,851		7,032	779,942	410,617	769,260
Beginning balance at Dec. 31, 2015	1,882,266		7,233	840,874	233,438	800,721
Increase (Decrease) in Stockholder's Equity
Net income	212,439					212,439
Other comprehensive income (loss), net of income taxes	420,474	[1]			420,474
Dividends	(125,691)					(125,691)
Capital contribution - stock-based compensation	1,637			1,637
Income tax benefit on stock-based compensation	468			468
Ending balance at Sep. 30, 2016	$ 2,391,593		$ 7,233	$ 842,979	$ 653,912	$ 887,469

[1] Other comprehensive income (loss) includes the non-credit component of impaired gains (losses), net, on fixed maturities available-for-sale in the amounts of $(959) and $(1,979) for the three months ended September 30, 2016, and 2015, respectively, and $(5,326) and $(3,208) for the nine months ended September 30, 2016, and 2015, respectively.