Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net income (loss)	$ (15,464)	$ (11,613)	$ 13,265	$ 9,615
Other comprehensive income (loss):
Unrealized gain (loss) on RMBS, available-for-sale, net	12,841	(2,004)	(31,694)	(21,353)
Net other comprehensive income (loss)	12,841	(2,004)	(31,694)	(21,353)
Comprehensive loss	(2,623)	(13,617)	(18,429)	(11,738)
Comprehensive loss attributable to noncontrolling interests in Operating Partnership	(49)	(276)	(398)	(237)
Dividends on preferred stock	2,465	2,465	4,928	4,928
Comprehensive loss attributable to common stockholders	$ (5,039)	$ (15,806)	$ (22,959)	$ (16,429)