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
Balance at beginning of period at Dec. 31, 2019	$ 94,863			$ 101	$ 157			$ 87,471			$ 3,554	$ 3,580
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to common stockholder	(76,700)							(75,000)				(1,700)
Contributions from common stockholder	234,018							234,018
Dividends declared - preferred	(15)											(15)
Unrealized (loss) gain on RMBS and CMBS	(4,593)										(4,593)
Net income	736											736
Balance at end 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	56,261							56,261
Stock issued		$ 40,000	$ 136,800			$ 21	$ 72		$ 39,979	$ 136,728
Shares repurchased	(4,660)				(3)			(4,657)
Non-cash equity compensation	1,715				5			1,710
Dividends declared - preferred	(15)											(15)
Unrealized (loss) gain on RMBS and CMBS	4,039										4,039
Dividends paid on common stock	(12,172)											(12,172)
Net income	21,113											21,113
Balance at end of period at Dec. 31, 2021	$ 491,390			$ 101	$ 252			$ 476,510			$ 3,000	$ 11,527