Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Comprehensive income (loss), net of tax
Net (loss) income	$ 44,129	$ (25,020)	$ (1,563,126)	$ 130,892
Other comprehensive income (loss)
Net unrealized gain (loss) on securities	56,398	167,162	90,773	359,515
Reclassification of net realized (gain) loss on securities into earnings	(31,803)	(32,164)	(742,194)	(89,844)
Total other comprehensive income (loss)	24,595	134,998	(651,421)	269,671
Total comprehensive income (loss)	68,724	109,978	(2,214,547)	400,563
Comprehensive income (loss) attributable to noncontrolling interests	38,640	6,923	22,478	17,241
Dividends on preferred stock	14,357	0	25,579	0
Comprehensive income (loss) attributable to common stockholders	$ 15,727	$ 103,055	$ (2,262,604)	$ 383,322