Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income before noncontrolling interests	$ 230,474	$ 267,318	$ 1,002,970	$ 736,712
Other comprehensive (loss) income:
Change in unrealized currency translation adjustments	(40,516)	(32,822)	(27,637)	(26,235)
Change in unrealized investment losses, net of taxes	(315,664)	(35,596)	(1,076,217)	(102,454)
Other comprehensive loss	(356,180)	(68,418)	(1,103,854)	(128,689)
Comprehensive (loss) income	(125,706)	198,900	(100,884)	608,023
Noncontrolling interests	(1,595)	(6,021)	(4,130)	(8,651)
Comprehensive (loss) income to common stockholders	$ (127,301)	$ 192,879	$ (105,014)	$ 599,372