CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss	Non-Controlling Interest
Beginning balance (in shares) at Dec. 31, 2018		1	51,071,573
Beginning balance at Dec. 31, 2018	$ 372,576	$ 0	$ 5	$ (3,885)	$ 535,819	$ (138,789)	$ (28,837)	$ 8,263
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	588				588
Issuance of stock, net of forfeitures (in shares)			354,161
Comprehensive loss	(17,166)					(12,619)	(4,581)	34
Ending balance (in shares) at Mar. 31, 2019		1	51,425,734
Ending balance at Mar. 31, 2019	355,998	$ 0	$ 5	(3,885)	536,407	(151,408)	(33,418)	8,297
Beginning balance (in shares) at Dec. 31, 2019		1	51,839,527
Beginning balance at Dec. 31, 2019	334,030	$ 0	$ 5	(3,885)	561,006	(199,621)	(31,060)	7,585
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	643				643
Issuance of stock, net of forfeitures (in shares)			26,829
Shares withheld for taxes (in shares)			(30,368)
Shares withheld for taxes	(166)				(166)
Comprehensive loss	(13,936)					(3,648)	(10,122)	(166)
Ending balance (in shares) at Mar. 31, 2020		1	51,835,988
Ending balance at Mar. 31, 2020	$ 320,571	$ 0	$ 5	$ (3,885)	$ 561,483	$ (203,269)	$ (41,182)	$ 7,419