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Derivative Financial Instruments - Fair Value Amounts of Derivative Instruments (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Derivative [Line Items]    
Derivative Assets $ 6,855 $ 2,283
Derivative Liabilities 6,094 0
Designated derivatives | Foreign exchange contracts    
Derivative [Line Items]    
Derivative Assets 1,376 2,283
Derivative Liabilities 0 0
Designated derivatives | Interest rate contracts    
Derivative [Line Items]    
Derivative Assets 2,933 0
Derivative Liabilities 3,505 0
Undesignated derivatives | Foreign exchange forwards    
Derivative [Line Items]    
Derivative Assets 2,546 0
Derivative Liabilities $ 2,589 $ 0