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Employee Benefit Plans - Asset Allocations for Funded Pension Plans (Details)
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]    
Target plan asset allocation 100.00%  
Actual plan asset allocation 100.00% 100.00%
Equity securities    
Defined Benefit Plan Disclosure [Line Items]    
Target plan asset allocation 58.00%  
Actual plan asset allocation 57.00% 70.00%
Debt securities    
Defined Benefit Plan Disclosure [Line Items]    
Target plan asset allocation 42.00%  
Actual plan asset allocation 43.00% 30.00%