Consolidated Statements of Shareholders' Equity - USD ($) $ in Thousands	Total	Shareholders' Equity Attributable to Common Shareholders	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests in Consolidated Subsidiaries
Balance, beginning of period (in shares) at Dec. 31, 2017			21,708,190
Balance, beginning of period at Dec. 31, 2017	$ 50,727	$ 41,366	$ 0	$ 356,171	$ (310,953)	$ (3,852)	$ 9,361
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(2,218)	(2,577)			(2,577)
Contributions from noncontrolling interest holders	425						425
Preferred stock dividends	(253)	(253)		(253)
Other comprehensive (loss) income	(806)	(799)				(799)	(7)
Stock-based compensation	293	293		293
Balance, end of period (in shares) at Mar. 31, 2018			21,708,190.00
Balance, end of period at Mar. 31, 2018	$ 47,514	37,383	$ 0	356,211	(354,672)	35,844	10,131
Balance, beginning of period (in shares) at Dec. 31, 2018	21,787,728		21,787,728
Balance, beginning of period at Dec. 31, 2018	$ 24,258	12,462	$ 0	353,890	(382,196)	40,768	11,796
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Vesting of restricted stock awards, net of share settlements for tax withholdings (in shares)			79,231
Net income	3,189	2,978			2,978		211
Preferred stock dividends	(246)	(246)		(246)
Other comprehensive (loss) income	(840)	(846)				(846)	6
Stock-based compensation	$ 242	242		242
Balance, end of period (in shares) at Mar. 31, 2019	21,866,959		21,866,959.000
Balance, end of period at Mar. 31, 2019	$ 26,603	$ 14,590	$ 0	$ 353,886	$ (379,218)	$ 39,922	$ 12,013