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Employee Benefit Plans - Schedule of Plan's Pension Cost (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]      
Service cost – benefits earned during the year $ 1,002 $ 4,329  
Interest cost on projected benefit obligations 3,076 3,908  
Pension Plan      
Defined Benefit Plan Disclosure [Line Items]      
Service cost – benefits earned during the year 1,002 4,329 $ 3,555
Interest cost on projected benefit obligations 3,076 3,908 4,103
Expected return on plan assets (6,310) (6,049) (4,753)
Net amortization and deferral 393 1,946 1,559
Net periodic pension cost $ (1,839) $ 4,134 $ 4,464