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Employee Benefit Plans - Schedule of Assumptions Used (Details) - Pension Plans
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]    
Projected annual salary increases 3.00% 3.00%
Expected long-term rate of return on plan assets 5.00% 5.00%
Minimum    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate (as a percent) 2.10% 2.99%
Discount rate (as a percent) 2.99% 4.00%
Maximum    
Defined Benefit Plan Disclosure [Line Items]    
Discount rate (as a percent) 2.30% 3.11%
Discount rate (as a percent) 3.11% 4.06%