Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Interest income	$ 76,054	$ 42,212	$ 147,580	$ 73,058
Interest Expense, Operating	74,767	45,142	149,484	76,450
Net interest income (expense)	1,287	(2,930)	(1,904)	(3,392)
Realized loss on sales of investments, net	(1,506)	(51,601)	(1,506)	(74,916)
Unrealized (loss) gain on investments, net	(41,977)	488	(112,001)	57,609
Gain on derivative instruments, net	41,135	116,012	165,771	48,745
Total other (losses) gains, net	(2,348)	64,899	52,264	31,438
Noninterest Expense [Abstract]
Compensation and benefits	(3,284)	(3,617)	(10,461)	(7,367)
Other general and administrative	(3,358)	(3,580)	(7,062)	(7,202)
Other operating expenses	(601)	(435)	(1,022)	(861)
Total operating expenses	(7,243)	(7,632)	(18,545)	(15,430)
Net income	(8,304)	54,337	31,815	12,616
Preferred stock dividends	(1,923)	(1,923)	(3,847)	(3,847)
Net (loss) income to common shareholders	(10,227)	52,414	27,968	8,769
Other comprehensive income:
Unrealized (loss) gain on available-for-sale investments, net	(1,786)	(9,443)	(19,054)	5,350
Total other comprehensive (loss) income	(1,786)	(9,443)	(19,054)	5,350
Comprehensive (loss) income to common shareholders	$ (12,013)	$ 42,971	$ 8,914	$ 14,119
Weighted average common shares-basic (in shares)	66,954,870	54,137,327	63,003,545	53,981,463
Weighted average common shares-diluted (in shares)	66,954,870	54,585,082	63,913,156	54,327,385
Net income (loss) per common share-basic (in dollars per share)	$ (0.15)	$ 0.97	$ 0.44	$ 0.16
Net income (loss) per common share-diluted (in dollars per share)	$ (0.15)	$ 0.96	$ 0.44	$ 0.16