CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Comprehensive income (loss)
Net income	$ 25,454	$ 12,528	$ 151,442	$ 38,600
Other comprehensive income (loss), net of tax:
Change in net unrealized investment gains (losses) on fixed maturity securities	63,304	(49,638)	169,440	(209,178)
Change in net funded status of benefit plans	0	0	0	0
Cumulative effect of change in accounting principle	0	0	0	(15,041)
Other comprehensive income (loss)	63,304	(49,638)	169,440	(224,219)
Total	$ 88,758	$ (37,110)	$ 320,882	$ (185,619)