CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 176,934	$ 181,900	$ 496,653	$ 512,351
Other comprehensive income (loss), net of tax:
Change in unrealized investment gains and losses	31,372	(12,077)	183,197	(86,452)
Benefit plan adjustments	1,600	440	4,799	1,322
Other comprehensive income (loss), net of tax	32,972	(11,637)	187,996	(85,130)
Comprehensive income	$ 209,906	$ 170,263	$ 684,649	$ 427,221

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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