Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Private Placement	IPO	Preferred Stock	Common Stock at Par	Common Stock at Par Private Placement	Common Stock at Par IPO	Additional Paid-in Capital	Additional Paid-in Capital Private Placement	Additional Paid-in Capital IPO	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Deficit)
Balance at beginning of period at Dec. 31, 2020	$ 248,309			$ 101	$ 157			$ 246,489			$ (1,039)	$ 2,601
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributions from common stockholder prior to IPO	56,261							56,261
Stock issued		$ 40,000	$ 136,800			$ 21	$ 72		$ 39,979	$ 136,728
Non-cash equity compensation	90				5			85
Dividends declared - preferred	(8)											(8)
Unrealized gain (loss) on RMBS and CMBS	3,615										3,615
Net (loss) income	11,714											11,714
Balance at end of period at Jun. 30, 2021	496,781			101	255			479,542			2,576	14,307
Balance at beginning of period at Mar. 31, 2021	314,583			101	157			302,750			(509)	12,084
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock issued		$ 40,000	$ 136,800			$ 21	$ 72		$ 39,979	$ 136,728
Non-cash equity compensation	90				5			85
Dividends declared - preferred	(4)											(4)
Unrealized gain (loss) on RMBS and CMBS	3,085										3,085
Net (loss) income	2,227											2,227
Balance at end of period at Jun. 30, 2021	496,781			101	255			479,542			2,576	14,307
Balance at beginning of period at Dec. 31, 2021	491,390			101	252			476,510			3,000	11,527
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock	(5,996)				(3)			(5,993)
Non-cash equity compensation	1,839							1,839
Dividends declared - preferred	(8)											(8)
Unrealized gain (loss) on RMBS and CMBS	(1,752)										(1,752)
Dividends paid on common stock	(22,503)											(22,503)
Net (loss) income	(95,686)											(95,686)
Balance at end of period at Jun. 30, 2022	367,284			101	249			472,356			1,248	(106,670)
Balance at beginning of period at Mar. 31, 2022	421,437			101	252			474,377			(9,987)	(43,306)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock	(2,992)				(3)			(2,989)
Non-cash equity compensation	968							968
Dividends declared - preferred	(4)											(4)
Unrealized gain (loss) on RMBS and CMBS	11,235										11,235
Dividends paid on common stock	(11,216)											(11,216)
Net (loss) income	(52,144)											(52,144)
Balance at end of period at Jun. 30, 2022	$ 367,284			$ 101	$ 249			$ 472,356			$ 1,248	$ (106,670)