Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income before noncontrolling interests	$ 355,724	$ 179,467	$ 651,453	$ 772,496
Other comprehensive income (loss):
Change in unrealized currency translation adjustments	10,528	(43,393)	15,394	12,879
Change in unrealized investment (losses) gains, net of taxes	(113,284)	(337,008)	67,515	(760,553)
Other comprehensive (loss) income	(102,756)	(380,401)	82,909	(747,674)
Comprehensive income (loss)	252,968	(200,934)	734,362	24,822
Noncontrolling interests	584	(145)	(1,018)	(2,535)
Comprehensive income (loss) to common stockholders	$ 253,552	$ (201,079)	$ 733,344	$ 22,287