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Derivative Instruments and Hedging Activities - Hedge of Net Investment (Details)
€ in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Aug. 31, 2020
EUR (€)
Sep. 30, 2019
EUR (€)
Derivative [Line Items]            
Foreign exchange losses (gains) associated with net investment hedge $ 16,604 $ (13,101) $ 17,005 $ (14,962)    
Net Investment Hedges            
Derivative [Line Items]            
Cumulative net gains 1,956   1,956      
Euro Notes | Net Investment Hedges | Designated as Hedging Instrument            
Derivative [Line Items]            
Hedged notes | €         € 300,000 € 279,821
Cumulative net gains $ 3,256   $ 3,256