Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings (Deficit) [Member]	Non-Controlling Interest in Operating Partnership [Member]	Total	Series A Preferred Stock [Member] Common Stock [Member]	Series A Preferred Stock [Member] Preferred Stock [Member]	Series A Preferred Stock [Member] Additional Paid-in Capital [Member]	Series A Preferred Stock [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Series A Preferred Stock [Member] Retained Earnings (Deficit) [Member]	Series A Preferred Stock [Member] Non-Controlling Interest in Operating Partnership [Member]	Series A Preferred Stock [Member]	Series B Preferred Stock [Member] Common Stock [Member]	Series B Preferred Stock [Member] Preferred Stock [Member]	Series B Preferred Stock [Member] Additional Paid-in Capital [Member]	Series B Preferred Stock [Member] Accumulated Other Comprehensive Income (Loss) [Member]	Series B Preferred Stock [Member] Retained Earnings (Deficit) [Member]	Series B Preferred Stock [Member] Non-Controlling Interest in Operating Partnership [Member]	Series B Preferred Stock [Member]
Beginning balance at Dec. 31, 2020	$ 175	$ 115,379	$ 300,997	$ 35,594	$ (141,980)	$ 2,401	$ 312,566
Beginning balance (in shares) at Dec. 31, 2020	17,076,858	4,781,635
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock	$ 0	$ 0	200	0	0	0	200
Issuance of common stock (in shares)	16,378	0
Conversion of OP units	$ 0	$ 0	0	0	0	(147)	(147)
Net Income before dividends on preferred stock	0	0	0	0	20,794	434	21,228
Other Comprehensive Loss	0	0	0	(19,349)	0	0	(19,349)
LTIP-OP Unit awards	0	0	0	0	0	241	241
Distribution paid on LTIP-OP Units	0	0	0	0	0	(85)	(85)
Common dividends declared	0	0	0	0	(4,611)	0	(4,611)
Preferred dividends declared								$ 0	$ 0	$ 0	$ 0	$ (1,432)	$ 0	$ (1,432)	$ 0	$ 0	$ 0	$ 0	$ (1,031)	$ 0	$ (1,031)
Ending balance at Mar. 31, 2021	$ 175	$ 115,379	301,197	16,245	(128,260)	2,844	307,580
Ending balance (in shares) at Mar. 31, 2021	17,093,236	4,781,635
Beginning balance at Dec. 31, 2020	$ 175	$ 115,379	300,997	35,594	(141,980)	2,401	312,566
Beginning balance (in shares) at Dec. 31, 2020	17,076,858	4,781,635
Ending balance at Dec. 31, 2021	$ 187	$ 115,379	311,255	7,527	(158,483)	2,951	$ 278,816
Ending balance (in shares) at Dec. 31, 2021	18,261,848	4,781,635					18,261,848
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock	$ 5	$ 0	4,099	0	0	0	$ 4,104
Issuance of common stock (in shares)	505,000	0
Net Income before dividends on preferred stock	$ 0	$ 0	0	0	28,096	633	28,729
Other Comprehensive Loss	0	0	0	(44,535)	0	0	(44,535)
LTIP-OP Unit awards	0	0	0	0	0	173	173
Distribution paid on LTIP-OP Units	0	0	0	0	0	(91)	(91)
Common dividends declared	0	0	0	0	(5,082)	0	(5,082)
Preferred dividends declared								$ 0	$ 0	$ 0	$ 0	$ (1,432)	$ 0	$ (1,432)	$ 0	$ 0	$ 0	$ 0	$ (1,031)	$ 0	$ (1,031)
Ending balance at Mar. 31, 2022	$ 192	$ 115,379	$ 315,354	$ (37,008)	$ (137,932)	$ 3,666	$ 259,651
Ending balance (in shares) at Mar. 31, 2022	18,766,848	4,781,635					18,766,848