Other Expense (Income), Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Income and Expenses [Abstract]
Foreign exchange transaction (gains) losses	$ 1,356	$ 377	$ (103)
Other	(534)	(6)	9
Total other expense (income), net	$ 822	$ 371	$ (94)