Other Income (Expense), Net (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Other Income and Expenses [Abstract]
Net gain (loss) on foreign currency exchange contracts	[1]	$ (80)	$ 353	$ 787	$ (912)
Net gain (loss) on foreign currency exchange transactions		(553)	(1,028)	(1,229)	(406)
Other income (expense)		75	20	170	(20)
Other income (expense), net		$ (558)	$ (655)	$ (272)	$ (1,338)

[1] This represents the gains and (losses) incurred on foreign currency hedging derivatives (see Note 17 for further details).