Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net income	$ 177,004	$ 199,618	$ 341,365	$ 378,135
Unrealized gains (losses) on fixed maturities:
Unrealized gains (losses)	(2,018,116)	906,911	(4,314,784)	(369,848)
Less applicable tax (expense) benefit	423,810	(190,452)	906,109	77,667
Unrealized gains (losses) on investments, net of tax	(1,594,306)	716,459	(3,408,675)	(292,181)
Deferred acquisition costs:
Unrealized gains (losses) attributable to deferred acquisition costs	6,079	408	6,455	767
Less applicable tax (expense) benefit	(1,276)	(86)	(1,355)	(161)
Unrealized gains (losses) attributable to deferred acquisition costs, net of tax	4,803	322	5,100	606
Foreign exchange translation:
Foreign exchange translation adjustments, other than securities	(17,979)	6,173	(13,841)	5,563
Less applicable tax (expense) benefit	3,776	(1,296)	2,907	(1,168)
Foreign exchange translation adjustments, other than securities, net of tax	(14,203)	4,877	(10,934)	4,395
Pension:
Pension adjustments	3,441	5,200	6,878	10,400
Less applicable tax (expense) benefit	(723)	(1,094)	(1,445)	(2,185)
Pension adjustments, net of tax	2,718	4,106	5,433	8,215
Other comprehensive income (loss)	(1,600,988)	725,764	(3,409,076)	(278,965)
Comprehensive income (loss)	(1,423,984)	925,382	(3,067,711)	99,170
Securities
Unrealized gains (losses) on fixed maturities:
Unrealized holding gains (losses) arising during period	(2,042,210)	904,048	(4,335,132)	(358,011)
Other reclassification adjustments included in net income	22,259	645	18,229	(16,497)
Foreign exchange adjustment on fixed maturities recorded at fair value	$ 1,835	$ 2,218	$ 2,119	$ 4,660