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Employee Benefit Plan - Net Unfunded Status (Details) - Non-U.S. Plan - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Net unfunded status of pension plan      
Fair value of plan assets $ 17,394 $ 17,290 $ 14,159
Projected benefit obligation (24,855) (27,431) $ (21,759)
Net unfunded benefit obligation $ (7,461) $ (10,141)