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Fair Value of Financial Instruments (Derivatives by Balance Sheet Location) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Derivatives, Fair Value [Line Items]    
Derivative Asset, Fair Value, Gross Asset $ 942 $ 32
Derivative Liability, Fair Value, Gross Liability (1,074) (116)
Forward contracts | Designated as Hedging Instrument [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Fair Value, Gross Asset 427 32
Derivative Liability, Fair Value, Gross Liability (524) (72)
Forward contracts | Not Designated as Hedging Instrument [Member]    
Derivatives, Fair Value [Line Items]    
Derivative Asset, Fair Value, Gross Asset 515 0
Derivative Liability, Fair Value, Gross Liability $ (550) $ (44)