Loss from Continuing Operations per Share Net Loss Per Share (Tables) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Loss from continuing operations	$ (2,706)	$ (8,089)	$ (5,141)	$ (9,696)
Less: net income attributable to noncontrolling interests in consolidated subsidiaries	108	100	243	205
Less: dividends on preferred stock, net of tax	(130)	(154)	(259)	(328)
Loss from continuing operations attributable to common shareholders	$ (2,944)	$ (8,343)	$ (5,643)	$ (10,229)
Weighted average common shares outstanding	21,708	21,458	21,708	21,458
Diluted:	21,708	21,458	21,708	21,458
Basic:	$ (0.14)	$ (0.39)	$ (0.26)	$ (0.48)
Diluted:	$ (0.14)	$ (0.39)	$ (0.26)	$ (0.48)