Derivative Financial Instruments (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Dec. 31, 2014
Designated as Hedging Instrument [Member]
Derivatives, Fair Value [Line Items]
Forward contracts, assets	$ 2	$ 14
Forward contracts, liabilities	326	1,359
Forward contracts, total net liabilities	324	$ 1,345
Australian Dollar [Member]
Derivative [Line Items]
Notional amount of foreign currency forward contracts	$ 700
Derivative maturity date	Jul. 01, 2015
Euro [Member]
Derivative [Line Items]
Notional amount of foreign currency forward contracts	$ 1,705
Derivative maturity date	Jul. 01, 2015
British Pound [Member]
Derivative [Line Items]
Notional amount of foreign currency forward contracts	$ 420
Derivative maturity date	Jul. 01, 2015
New Zealand Dollar [Member]
Derivative [Line Items]
Notional amount of foreign currency forward contracts	$ 50
Derivative maturity date	Jul. 01, 2015