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Derivative and Hedging Activities Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Fair Value Hedging [Member] | Foreign Exchange Forward [Member]    
Derivative [Line Items]    
Derivative, Term of Contract 3 months  
ISRAEL    
Derivative [Line Items]    
Compensating Balance, Amount $ 1.0 $ 1.0