Other Income (Expense), Net (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Income and Expenses [Abstract]
Net gain (loss) on foreign currency exchange contracts	[1]	$ (1,251)	$ 294	$ (491)
Net gain (loss) on foreign currency exchange transactions		1,911	(522)	(363)
Other income		180	221	14
Other income (expense), net		$ 840	$ (7)	$ (840)

[1] This represents the gains and (losses) incurred on foreign currency hedging derivatives (see Note 20 for further details).