Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net income	$ 223,610	$ 237,484
Unrealized gains (losses) on fixed maturities:
unrealized investment gains (losses)	511,276	(2,296,668)
Less applicable tax (expense) benefit	(107,368)	482,299
Unrealized gains (losses) on investments, net of tax	403,908	(1,814,369)
Future Policy Benefits:
Change in discount rate on future policy benefits	(720,890)	2,805,511
Less applicable tax (expense) benefit	151,387	(589,156)
Future policy benefit adjustments, net of tax	(569,503)	2,216,355
Foreign exchange translation:
Foreign exchange translation adjustments, other than securities	(6,516)	4,228
Less applicable tax (expense) benefit	1,368	(887)
Foreign exchange translation adjustments, other than securities, net of tax	(5,148)	3,341
Pension:
Pension adjustments	(48)	3,437
Less applicable tax (expense) benefit	11	(722)
Pension adjustments, net of tax	(37)	2,715
Other comprehensive income (loss)	(170,780)	408,042
Comprehensive income (loss)	52,830	645,526
Securities
Unrealized gains (losses) on fixed maturities:
Unrealized holding gains (losses) arising during period	469,119	(2,292,922)
Other reclassification adjustments included in net income	32,590	(4,030)
Foreign exchange adjustment on fixed maturities recorded at fair value	$ 9,567	$ 284