Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Interest income	$ 18,335	$ 13,393	$ 35,762	$ 27,285
Interest expense	(4,262)	(1,275)	(6,010)	(2,908)
Net interest income	14,073	12,118	29,752	24,377
Realized (loss) gain on sale of investments, net	(18,550)	2,008	(18,550)	6,705
Unrealized (loss) gain on investments, net	(65,103)	1,084	(176,354)	104
Gain (loss) on derivative instruments, net	(106,412)	52,940	(326,623)	(54,861)
Other operating expense, net	(295)	(323)	(616)	(703)
General and administrative expenses:
Compensation and benefits	(3,402)	(3,233)	(6,868)	(6,329)
Other general and administrative	(3,799)	(2,473)	(7,441)	(4,845)
Net income	29,336	(43,759)	146,546	74,170
Preferred stock dividends	(1,923)	(1,923)	(3,847)	(4,482)
Preferred stock redemption charge	0	0	0	(2,987)
Net income (loss) to common shareholders	27,413	(45,682)	142,699	66,701
Other comprehensive income:
Unrealized (loss) gain on available-for-sale investments, net	(60,910)	16,278	(152,250)	(44,181)
Reclassification adjustment for realized gain on available-for-sale investments, net	0	(2,008)	0	(6,705)
Total other comprehensive (loss) income	(60,910)	14,270	(152,250)	(50,886)
Comprehensive (loss) income to common shareholders	$ (33,497)	$ (31,412)	$ (9,551)	$ 15,815
Weighted average common shares-basic (in shares)	39,190,251	31,973,587	37,964,617	29,395,463
Weighted average common shares-diluted (in shares)	39,558,462	31,973,587	38,332,828	29,560,522
Net income (loss) per common share-basic (in dollars per share)	$ 0.70	$ (1.43)	$ 3.76	$ 2.27
Net income (loss) per common share-diluted (in dollars per share)	0.69	(1.43)	3.72	2.26
Common Stock, Dividends, Per Share, Declared	$ 0.39	$ 0.39	$ 0.78	$ 0.78