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Employee Benefits - Additional Information (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]        
Payment for Other Postretirement Benefits   $ 1,700,000 $ 2,900,000 $ 2,100,000
Postretirement Health Coverage | Salaried VEBA        
Defined Benefit Plan Disclosure [Line Items]        
Maximum contribution threshold   2,900,000    
Payment for Other Postretirement Benefits $ 1,700,000      
Pension Plan        
Defined Benefit Plan Disclosure [Line Items]        
Accumulated benefit obligation   19,300,000 $ 9,200,000  
Expected employer contributions in 2022   $ 8,600,000