Goodwill and Intangible Assets - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 22,929	$ 23,081
Accumulated Amortization	(8,962)	(8,630)
Currency Translation Adjustment	154	97
Net Carrying Amount	$ 14,121	14,548
Trademarks/Tradenames
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Amortization Period	23 years
Gross Carrying Amount	$ 8,450	8,472
Accumulated Amortization	(3,728)	(3,639)
Currency Translation Adjustment	64	54
Net Carrying Amount	$ 4,786	4,887
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Amortization Period	15 years
Gross Carrying Amount	$ 14,479	14,609
Accumulated Amortization	(5,234)	(4,991)
Currency Translation Adjustment	90	43
Net Carrying Amount	$ 9,335	$ 9,661