Condensed Consolidated Statements of Stockholder's Equity - USD ($) $ in Thousands		Total		Calculated under revenue guidance in effect before topic 606	Difference between revenue guidance in effect before and after ASC 606	Common stock	Common stock Calculated under revenue guidance in effect before topic 606	Additional paid-in capital	Additional paid-in capital Calculated under revenue guidance in effect before topic 606	Accumulated other comprehensive income	Accumulated other comprehensive income Calculated under revenue guidance in effect before topic 606	Retained earnings	Retained earnings Calculated under revenue guidance in effect before topic 606	Retained earnings Difference between revenue guidance in effect before and after ASC 606
Beginning balance at Dec. 31, 2016		$ 2,012,321				$ 7,293		$ 863,031		$ 235,875		$ 906,122
Increase (Decrease) in Stockholder's Equity
Net income		34,830										34,830
Other comprehensive loss, net of income taxes		63,979	[1]							63,979
Dividends		(77,000)										(77,000)
Capital contribution		0
Capital contribution - stock-based compensation		420						420
Ending balance at Mar. 31, 2017		2,034,550				7,293		863,451		299,854		863,952
Beginning balance at Dec. 31, 2017		2,449,589		$ 2,449,589		7,320	$ 7,320	949,520	$ 949,520	440,957	$ 440,957		$ 1,051,792
Beginning balance (ASC 606) at Dec. 31, 2017		2,482,541			$ 32,952							1,084,744		$ 32,952
Increase (Decrease) in Stockholder's Equity
Net income		48,658										48,658
Other comprehensive loss, net of income taxes		(303,182)	[1]							(303,182)
Dividends		(24,001)										(24,001)
Capital contribution	[2]	848
Capital contribution - stock-based compensation		218						218
Ending balance at Mar. 31, 2018		$ 2,205,082				$ 7,320		$ 950,586		$ 137,775		$ 1,109,401

[1] Other comprehensive (loss) income includes the non-credit component of impaired (losses) gains, net, on fixed maturities available-for-sale in the amounts of $(16,222) and $(1,089) for the three months ended March 31, 2018 and 2017, respectively.

[2] In February 2018, the Company received a capital contribution from its parent, GWL&A Financial, in the amount of $848. No additional shares of the Company were issued in relation to this contribution.