Loss from Continuing Operations per Share Net Loss Per Share (Tables) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Loss from continuing operations	$ (2,606)	$ (996)	$ (9,472)	$ (11,228)
Less: net income attributable to noncontrolling interests in consolidated subsidiaries	200	195	717	56
Less: dividends on preferred stock, net of tax	(265)	(403)	(777)	(991)
Loss from continuing operations attributable to common shareholders	$ (3,071)	$ (1,594)	$ (10,966)	$ (12,275)
Weighted average common shares outstanding	21,708	21,559	21,708	21,492
Diluted:	21,708	21,559	21,708	21,492
Basic:	$ (0.14)	$ (0.07)	$ (0.51)	$ (0.57)
Diluted:	$ (0.14)	$ (0.07)	$ (0.51)	$ (0.57)