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Derivative Instruments and Hedging Activities - Effect of Hedge Instruments in Unaudited Condensed Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Derivative Instruments, Gain (Loss) [Line Items]        
Unrealized holding (losses) gains arising during period $ (144) $ (2,708) $ 4,900 $ (1,100)
Cash flow hedge | Derivative designated as hedging        
Derivative Instruments, Gain (Loss) [Line Items]        
Unrealized holding (losses) gains arising during period (144) (2,708) 4,900 (1,100)
Foreign exchange forward | Cash flow hedge | Derivative designated as hedging        
Derivative Instruments, Gain (Loss) [Line Items]        
Unrealized holding (losses) gains arising during period (144) (2,711) 4,908 1,119
Interest rate swap | Cash flow hedge | Derivative designated as hedging        
Derivative Instruments, Gain (Loss) [Line Items]        
Unrealized holding (losses) gains arising during period $ 0 $ 3 $ (8) $ (2,219)