Other Income (Expense), Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Other Income and Expenses [Abstract]
Net gain (loss) on foreign currency exchange contracts	$ (491)	[1]	$ 888	[1]	$ 35	[1]
Net gain (loss) on foreign currency exchange transactions	(363)		(4,155)		(1,721)
Other income	14		98		273
Other income (expense), net	$ (840)		$ (3,169)		$ (1,413)

[1] This represents the gains and (losses) incurred on foreign currency hedging derivatives (see Note 19 for further details).