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Derivatives and Hedging Activities - Additional Information (Details)
$ in Millions
3 Months Ended
Mar. 31, 2017
USD ($)
Mar. 31, 2017
ILS (₪)
Dec. 31, 2016
ILS (₪)
Not Designated as Hedging Instrument [Member] | Forward Contracts [Member]      
Derivative [Line Items]      
Derivative, Term of Contract 3 months    
Israel [Member]      
Derivative [Line Items]      
Compensating Balance, Amount | $ $ 2.5    
Israel, New Shekels | Designated as Hedging Instrument [Member] | Forward Contracts [Member]      
Derivative [Line Items]      
Derivative, Term of Contract 12 months    
Outstanding foreign currency forward contracts | ₪   ₪ 0 ₪ 0