Annual report pursuant to Section 13 and 15(d)

Derivative Financial Instruments - Additional Information (Details)

v3.21.1
Derivative Financial Instruments - Additional Information (Details) - Not Designated as Hedging Instruments - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Derivative [Line Items]    
Outstanding forward contracts and mandatory sell commitments $ 895,200 $ 427,700
Closed hedge instruments not yet settled 908,000 376,500
Credit losses due to nonperformance of counterparties $ 0 $ 0