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Employee Benefit Plans - Changes recognized in OCI (Details) - Defined benefit plans - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]      
Actuarial gain/(loss) $ 27,318 $ (5,296) $ (5,478)
Amortization of actuarial loss and prior service cost (6,210) (4,672) (2,622)
Total $ 33,528 $ (624) $ (2,856)