Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings (Deficit) [Member]	Accumulated Other Comprehensive Loss [Member]	Noncontrolling Interest [Member]
Beginning Balance at Dec. 31, 2017	$ 161,761	$ 12,361	$ 152,992	$ 38,980	$ (45,392)	$ 2,820
Stock-based compensation	1,301		1,301
Comprehensive income (loss):
Net (loss) income	(7,767)			(9,092)		1,325
Other comprehensive income (loss)	(5,006)				(4,829)	(177)
Comprehensive loss	(12,773)					1,148
Issuance of common stock excluding excess tax benefits of $0	491	134	357
Other	3				3
Ending Balance at Sep. 30, 2018	150,783	12,495	154,650	29,888	(50,218)	3,968
Beginning Balance at Jun. 30, 2018	157,927	12,491	154,185	36,926	(49,203)	3,528
Stock-based compensation	462		462
Comprehensive income (loss):
Net (loss) income	(6,456)			(7,039)		583
Other comprehensive income (loss)	(1,158)				(1,015)	(143)
Comprehensive loss	(7,614)					440
Issuance of common stock excluding excess tax benefits of $0	7	4	3
Other	1			1
Ending Balance at Sep. 30, 2018	150,783	12,495	154,650	29,888	(50,218)	3,968
Beginning Balance at Dec. 31, 2018	92,969	12,495	154,889	(30,355)	(49,434)	5,374
Stock-based compensation	959		959
Comprehensive income (loss):
Net (loss) income	(23,026)			(24,061)		1,035
Other comprehensive income (loss)	(9,941)				(9,693)	(248)
Comprehensive loss	(32,967)					787
Issuance of common stock excluding excess tax benefits of $0	254	147	107
Ending Balance at Sep. 30, 2019	61,215	12,642	155,955	(54,416)	(59,127)	6,161
Beginning Balance at Jun. 30, 2019	78,752	12,624	155,644	(49,361)	(46,128)	5,973
Stock-based compensation	299		299
Comprehensive income (loss):
Net (loss) income	(4,621)			(5,055)		434
Other comprehensive income (loss)	(13,245)				(12,999)	(246)
Comprehensive loss	(17,866)					188
Issuance of common stock excluding excess tax benefits of $0	30	18	12
Ending Balance at Sep. 30, 2019	$ 61,215	$ 12,642	$ 155,955	$ (54,416)	$ (59,127)	$ 6,161