Other Expense (Income), Net - Schedule of Other Expense (Income), Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Income Expense [Abstract]
Foreign currency exchange losses (gains), net	$ 255	$ 457	$ 592
Gain on casualty insurance claim	(302)	0	0
Other	(9)	0	(946)
Total other expense (income), net	$ (56)	$ 457	$ (354)