Loss 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, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net loss	$ (8,659)	$ (1,999)	$ (10,143)	$ (3,494)
Less: net income (loss) attributable to noncontrolling interests in consolidated subsidiaries	100	(361)	205	(400)
Less: dividends on preferred stock	123	82	244	164
Loss from continuing operations attributable to common shareholders	$ (8,882)	$ (1,720)	$ (10,592)	$ (3,258)
Weighted-average common shares outstanding	21,458	19,818	21,458	19,764
Diluted:	21,458	19,818	21,458	19,764
Basic:	$ (0.41)	$ (0.09)	$ (0.49)	$ (0.16)
Diluted:	$ (0.41)	$ (0.09)	$ (0.49)	$ (0.16)