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Employee Benefit Plans - Accumulated and Projected Benefit Obligations (Details) - Defined benefit pension plans - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]    
Projected benefit obligation $ 395,104 $ 391,459
Accumulated benefit obligation 379,659 376,769
Fair value of plan assets $ 252,959 $ 251,487