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, 2019	$ 170	$ 115,281	$ 299,180	$ 41,414	$ (59,451)	$ 2,781	$ 399,375
Beginning balance (in shares) at Dec. 31, 2019	16,660,655	4,781,635
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock	$ 0	$ 0	124	0	0	0	124
Issuance of common stock (in shares)	9,500	0
Repurchase of common stock	$ 0	$ 0	(1,748)	0	0	0	(1,748)
Repurchase of common stock (in shares)	(142,531)	0
Conversion of OP units	$ 0	$ 0	0	0	0	(76)	(76)
Net Income (Loss) before dividends on preferred stock	0	0	0	0	(47,926)	(910)	(48,836)
Other Comprehensive Income (Loss)	0	0	0	(7,631)	0	0	(7,631)
LTIP-OP Unit awards	0	0	0	0	0	264	264
Distribution paid on LTIP-OP Units	0	0	0	0	0	(108)	(108)
Common dividends declared	0	0	0	0	(6,611)	0	(6,611)
Preferred dividends declared								$ 0	$ 0	$ 0	$ 0	$ (1,428)	$ 0	$ (1,428)	$ 0	$ 0	$ 0	$ 0	$ (1,031)	$ 0	$ (1,031)
Ending balance at Mar. 31, 2020	$ 170	$ 115,281	297,556	33,783	(116,447)	1,951	332,294
Ending balance (in shares) at Mar. 31, 2020	16,527,624	4,781,635
Beginning balance at Dec. 31, 2019	$ 170	$ 115,281	299,180	41,414	(59,451)	2,781	399,375
Beginning balance (in shares) at Dec. 31, 2019	16,660,655	4,781,635
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss) before dividends on preferred stock							(61,519)
Ending balance at Jun. 30, 2020	$ 175	$ 115,281	300,908	49,569	(135,974)	1,970	331,929
Ending balance (in shares) at Jun. 30, 2020	17,076,858	4,781,635
Beginning balance at Dec. 31, 2019	$ 170	$ 115,281	299,180	41,414	(59,451)	2,781	399,375
Beginning balance (in shares) at Dec. 31, 2019	16,660,655	4,781,635
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock (in shares)	(142,531)
Ending balance at Dec. 31, 2020	$ 175	$ 115,379	300,997	35,594	(141,980)	2,401	$ 312,566
Ending balance (in shares) at Dec. 31, 2020	17,076,858	4,781,635					17,076,858
Beginning balance at Mar. 31, 2020	$ 170	$ 115,281	297,556	33,783	(116,447)	1,951	$ 332,294
Beginning balance (in shares) at Mar. 31, 2020	16,527,624	4,781,635
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock	$ 5	$ 0	3,352	0	0	0	3,357
Issuance of common stock (in shares)	549,234	0
Net Income (Loss) before dividends on preferred stock	$ 0	$ 0	0	0	(12,456)	(227)	(12,683)
Other Comprehensive Income (Loss)	0	0	0	15,786	0	0	15,786
LTIP-OP Unit awards	0	0	0	0	0	307	307
Distribution paid on LTIP-OP Units	0	0	0	0	0	(61)	(61)
Common dividends declared	0	0	0	0	(4,610)	0	(4,610)
Preferred dividends declared								0	0	0	0	(1,430)	0	(1,430)	0	0	0	0	(1,031)	0	(1,031)
Ending balance at Jun. 30, 2020	$ 175	$ 115,281	300,908	49,569	(135,974)	1,970	331,929
Ending balance (in shares) at Jun. 30, 2020	17,076,858	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					17,076,858
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 (Loss) before dividends on preferred stock	0	0	0	0	20,794	434	21,228
Other Comprehensive Income (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					17,076,858
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Repurchase of common stock (in shares)	0
Net Income (Loss) before dividends on preferred stock							$ 9,615
Ending balance at Jun. 30, 2021	$ 175	$ 115,379	301,249	14,241	(146,719)	2,723	$ 287,048
Ending balance (in shares) at Jun. 30, 2021	17,113,450	4,781,635					17,113,450
Beginning balance at Mar. 31, 2021	$ 175	$ 115,379	301,197	16,245	(128,260)	2,844	$ 307,580
Beginning balance (in shares) at Mar. 31, 2021	17,093,236	4,781,635
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock	$ 0	$ 0	52	0	0	0	52
Issuance of common stock (in shares)	20,214	0
Repurchase of common stock (in shares)	0
Conversion of OP units	$ 0	$ 0	0	0	0	0	0
Redemption of OP units for cash	0	0	0	0	0	(69)	(69)
Net Income (Loss) before dividends on preferred stock	0	0	0	0	(11,373)	(240)	(11,613)
Other Comprehensive Income (Loss)	0	0	0	(2,004)	0	0	(2,004)
LTIP-OP Unit awards	0	0	0	0	0	281	281
Distribution paid on LTIP-OP Units	0	0	0	0	0	(93)	(93)
Common dividends declared	0	0	0	0	(4,621)	0	(4,621)
Preferred dividends declared								$ 0	$ 0	$ 0	$ 0	$ (1,434)	$ 0	$ (1,434)	$ 0	$ 0	$ 0	$ 0	$ (1,031)	$ 0	$ (1,031)
Ending balance at Jun. 30, 2021	$ 175	$ 115,379	$ 301,249	$ 14,241	$ (146,719)	$ 2,723	$ 287,048
Ending balance (in shares) at Jun. 30, 2021	17,113,450	4,781,635					17,113,450