CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Comprehensive income (loss):
Net income (loss)	$ 176,065	$ 126,104	$ (513,066)
Other comprehensive income:
Unrealized gains (losses) on available-for-sale securities, net	(26,219)	(44,990)	(175,709)
Reclassification adjustment for net realized losses (gains) included in net income	0	1,313	0
Other comprehensive income (loss)	(26,219)	(43,677)	(175,709)
Comprehensive income (loss) before preferred stock dividends	149,846	82,427	(688,775)
Dividends on preferred stock	85,736	73,750	73,765
Comprehensive income (loss) available to common stock shareholders	$ 64,110	$ 8,677	$ (762,540)