FINANCIAL INSTRUMENTS - Schedule of the Notional Amounts of Derivative Assets and Liabilities that Mature within 12 months (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Notional values of the Company's foreign currency forward contracts	$ 25,374	$ 21,157
Euro [Member}
Derivative [Line Items]
Notional values of the Company's foreign currency forward contracts	18,691	15,982
Japanese yen [Member]
Derivative [Line Items]
Notional values of the Company's foreign currency forward contracts	2,387	3,391
British pound [Member]
Derivative [Line Items]
Notional values of the Company's foreign currency forward contracts	$ 4,296	$ 1,784