Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income before noncontrolling interests	$ 1,384,954	$ 1,031,015	$ 532,985
Other comprehensive (loss) gain.:
Change in unrealized translation adjustments	1,179	(20,969)	29,927
Change in unrealized investment (losses) gains, net of taxes	(983,803)	(198,812)	140,250
Other comprehensive (loss) gain	(982,624)	(219,781)	170,177
Comprehensive income	402,330	811,234	703,162
Noncontrolling interests	(3,890)	(8,523)	(2,313)
Comprehensive income to common stockholders	$ 398,440	$ 802,711	$ 700,849