Other Income (Expense), Net (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2014		Jun. 30, 2013
Other Income and Expenses [Abstract]
Net gain (loss) on foreign currency exchange contracts (1)	$ (216)	[1]	$ (57)	[1]	$ (1,265)	[1]	$ (255)	[1]
Net gain (loss) on foreign currency exchange transactions	(71)		(1,596)		622		(1,949)
Other income (expense)	(47)		23		(40)		24
Other income (expense), net	$ (334)		$ (1,630)		$ (683)		$ (2,180)

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