Derivatives (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Derivative Instruments,Gain (Loss) [Line Items]
Maximum Remaining Maturity of Foreign Currency Derivatives		9 months
Net gain (loss) on foreign currency exchange contracts	[1]	$ (199)	$ 1,034
Other Income (Expense), Net [Member] | Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Derivative Instruments,Gain (Loss) [Line Items]
Net gain (loss) on foreign currency exchange contracts		$ (200)	$ 1,000

[1] This represents the gains (losses) incurred on foreign currency hedging derivatives (see Note 18 for further details).