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Derivative Financial Instruments (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
derivative_instrument
Dec. 31, 2020
USD ($)
Dec. 31, 2019
Derivative [Line Items]      
Gross amount assets $ 1,372 $ 324  
Foreign currency forward contracts | Derivatives Not Designated as Hedging Instruments      
Derivative [Line Items]      
Approximate number of derivatives per quarter | derivative_instrument 10    
Notional amount $ 2,000    
Foreign currency forward contracts | Cash Flow Hedges      
Derivative [Line Items]      
Approximate number of derivatives per quarter | derivative_instrument 10    
Notional amount $ 6,000    
Estimated term of reclassification from OCI to Income 12 months 12 months 12 months
Offsetting derivative assets and liabilities      
Derivative [Line Items]      
Gross amount assets $ 1,400    
Gross amount liabilities $ 300    
Maximum | Foreign currency forward contracts      
Derivative [Line Items]      
Term of derivative contracts 6 months    
Maximum | Foreign currency forward contracts | Derivatives Not Designated as Hedging Instruments      
Derivative [Line Items]      
Term of derivative contracts 3 months    
Maximum | Foreign currency forward contracts | Cash Flow Hedges      
Derivative [Line Items]      
Term of derivative contracts 6 months