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Derivative Financial Instruments (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Other Current Assets [Member]    
Summary of Derivative Instruments [Abstract]    
Derivative assets $ 443 $ 333
Foreign Exchange Contract [Member]    
Summary of Derivative Instruments [Abstract]    
Average notional amount $ 9,608