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	839		839
Comprehensive income (loss):
Net (loss) income	(1,311)			(2,053)		742
Other comprehensive income (loss)	(3,848)				(3,814)	(34)
Comprehensive loss	(5,159)					708
Issuance of common stock excluding excess tax benefits of $0	484	130	354
Other	2			(1)	3
Ending Balance at Jun. 30, 2018	157,927	12,491	154,185	36,926	(49,203)	3,528
Beginning Balance at Mar. 31, 2018	165,286	12,362	153,435	39,921	(43,851)	3,419
Stock-based compensation	395		395
Comprehensive income (loss):
Net (loss) income	(2,700)			(2,994)		294
Other comprehensive income (loss)	(5,539)				(5,354)	(185)
Comprehensive loss	(8,239)					109
Issuance of common stock excluding excess tax benefits of $0	484	130	354
Other	1	(1)	1	(1)	2
Ending Balance at Jun. 30, 2018	157,927	12,491	154,185	36,926	(49,203)	3,528
Beginning Balance at Dec. 31, 2018	92,969	12,495	154,889	(30,355)	(49,434)	5,374
Stock-based compensation	660		660
Comprehensive income (loss):
Net (loss) income	(18,405)			(19,006)		601
Other comprehensive income (loss)	3,304				3,306	(2)
Comprehensive loss	(15,101)					599
Issuance of common stock excluding excess tax benefits of $0	224	129	95
Ending Balance at Jun. 30, 2019	78,752	12,624	155,644	(49,361)	(46,128)	5,973
Beginning Balance at Mar. 31, 2019	83,734	12,513	155,283	(45,503)	(44,421)	5,862
Stock-based compensation	320		320
Comprehensive income (loss):
Net (loss) income	(3,612)			(3,858)		246
Other comprehensive income (loss)	(1,842)				(1,707)	(135)
Comprehensive loss	(5,454)					111
Issuance of common stock excluding excess tax benefits of $0	152	111	41
Ending Balance at Jun. 30, 2019	$ 78,752	$ 12,624	$ 155,644	$ (49,361)	$ (46,128)	$ 5,973