Accumulated Other Comprehensive Income (Loss) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($)
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	$ (18,830)
Other comprehensive income (loss)	(2,352)
Amounts reclassified from other comprehensive income (loss)	572	[1]
Ending Balance	(20,610)
Foreign currency translation adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(9,698)
Other comprehensive income (loss)	(3,413)
Ending Balance	(13,111)
Pension liability
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance	(9,132)
Other comprehensive income (loss)	1,061
Amounts reclassified from other comprehensive income (loss)	572	[1]
Ending Balance	$ (7,499)

[1] The amounts reclassified from other comprehensive income (loss) were included in selling, general and administrative expenses in the consolidated statements of operations.