CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands	Total	Comprehensive Income (Loss) [Member]	Preferred Stock	Common Stock [Member]	Treasury Stock [Member]	Paid-In Capital [Member]	Retained Earnings [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2017	$ 208,261	$ (80,168)	$ 1	$ 87	$ (2)	$ 268,949	$ (79,865)	$ 19,091
Balance (in shares) at Dec. 31, 2017				8,717,967
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Series D preferred stock dividends (9.0% per year)	(222)					(222)
Net loss	(101)	(233)					(233)	132
Balance at Mar. 31, 2018	207,938	(80,401)	$ 1	$ 87	(2)	268,727	(80,098)	19,223
Balance (in shares) at Mar. 31, 2018				8,717,967
Balance at Dec. 31, 2018	380,401	101,282		$ 87	(2)	258,050	101,585	20,681
Balance (in shares) at Dec. 31, 2018				8,717,967
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distribution to equity partner	(67)					(67)
Net loss	(5,426)	(15,316)					(5,609)	183
Balance at Mar. 31, 2019	$ 374,908	$ 85,966		$ 87	$ (2)	$ 257,983	$ 95,976	$ 20,864
Balance (in shares) at Mar. 31, 2019				8,717,967