CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net income (loss)	$ 983,285	$ 805,582	$ (1,357,684)
Other comprehensive income (loss), net of tax:
Net unrealized gain (loss) on available-for-sale securities, net	(52,602)	29,944	123,855
Reclassification of net realized (gain) loss on available-for-sale securities, net into net income	0	(5,388)	(740,309)
Comprehensive income (loss)	930,683	830,138	(1,974,138)
Comprehensive income (loss) attributable to noncontrolling interests	28,766	33,356	52,674
Dividends on preferred stock	89,726	66,744	54,295
Comprehensive income (loss) attributable to common stockholders	$ 812,191	$ 730,038	$ (2,081,107)