CONDENSED CONSOLIDATED STATEMENT OF OTHER COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net income (loss)	$ (1,364)	$ 1,226	$ 9,357	$ (88)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	(429)	1,221	(96)	2,620
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	0	5	0	4
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	0	0	(10,819)	0
Other Comprehensive Income (Loss), Defined Benefit Plan Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax	0	0	(38)	0
Other Comprehensive Income (Loss), Net of Tax	(429)	1,226	(10,953)	2,624
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (1,793)	$ 2,452	$ (1,596)	$ 2,536