Other Income (Expense), Net (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Other Income and Expenses [Abstract]
Net gain (loss) on foreign currency exchange contracts	[1]	$ (167)	$ (216)	$ 867	$ (1,265)
Net gain (loss) on foreign currency exchange transactions		178	(71)	(676)	622
Other income (expense)		45	(47)	95	(40)
Other income (expense), net		$ 56	$ (334)	$ 286	$ (683)

[1] This represents the gains and (losses) incurred on foreign currency hedging derivatives (see Note 16 for further details).