Consolidated Statements of Comprehensive Income (Loss) $ in Thousands	12 Months Ended
Dec. 31, 2017 USD ($)
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (2,269)
Other comprehensive (loss) income:
Foreign currency translation adjustments	7,141
Minimum pension liability, net of tax	469
Derivative instrument	0
Derivative instrument	0
Other comprehensive income (loss)	7,610
Comprehensive income	$ 5,341

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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