Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest income and interest expense
Interest income	$ 96,716	$ 66,021	$ 188,442	$ 127,038
Interest expense	(70,570)	(28,008)	(140,560)	(50,509)
Net interest income	26,146	38,013	47,882	76,529
Other revenue
Other income, net	4,960	629	8,479	647
Revenue from real estate owned operations	1,528	0	1,528	0
Total other revenue	6,488	629	10,007	647
Other expenses
Professional fees	1,572	1,150	2,902	2,296
General and administrative	1,261	949	2,157	2,118
Stock compensation expense	1,813	1,328	3,617	2,594
Servicing and asset management fees	290	493	153	987
Management fee	5,949	5,856	11,968	11,565
Incentive management fee	0	5,183	0	5,183
Expenses from real estate owned operations	1,848	0	1,848	0
Total other expenses	12,733	14,959	22,645	24,743
Gain on sale of real estate owned, net	0	13,291	0	13,291
Credit loss expense, net	(89,069)	(42,290)	(96,853)	(47,174)
(Loss) income before income taxes	(69,168)	(5,316)	(61,609)	18,550
Income tax expense, net	(5)	(118)	(189)	(203)
Net (loss) income	(69,173)	(5,434)	(61,798)	18,347
Preferred stock dividends and participating securities' share in earnings	(3,551)	(3,374)	(7,103)	(6,719)
Net (loss) income attributable to common stockholders - see Note 11	$ (72,724)	$ (8,808)	$ (68,901)	$ 11,628
Earnings Per Share, Basic and Diluted EPS [Abstract]
(Loss) earnings per common share, basic (in USD per share)	$ (0.94)	$ (0.11)	$ (0.89)	$ 0.15
(Loss) earnings per common share, diluted (in USD per share)	$ (0.94)	$ (0.11)	$ (0.89)	$ 0.14
Weighted average number of common shares outstanding
Basic: (in shares)	77,417,566	77,188,291	77,414,006	77,186,136
Diluted: (in shares)	77,417,566	77,188,291	77,414,006	81,235,606
Other comprehensive income (loss)
Net (loss) income	$ (69,173)	$ (5,434)	$ (61,798)	$ 18,347
Comprehensive net (loss) income	$ (69,173)	$ (5,434)	$ (61,798)	$ 18,347