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Employee Benefits - Weighted-Average Rates to Determine Actuarial Present Value of Benefit Obligations (Details) - Pension Plan
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Discount rate 2.43% 2.05%
Weighted-average interest crediting rate 1.90% 1.65%