Employee Benefit Plans - Schedule of Long-term Rate of Return on Assets (Details)	12 Months Ended
	Dec. 31, 2021
Core Fixed Income
Defined Benefit Plan Disclosure [Line Items]
% of Total Portfolio	51.00%
One-Year Nominal Return	3.95%
Annual Standard Deviation	8.82%
Large Cap U.S. Equities
Defined Benefit Plan Disclosure [Line Items]
% of Total Portfolio	18.00%
One-Year Nominal Return	7.24%
Annual Standard Deviation	17.27%
Small Cap U.S. Equities
Defined Benefit Plan Disclosure [Line Items]
% of Total Portfolio	5.00%
One-Year Nominal Return	8.57%
Annual Standard Deviation	22.09%
International (Developed)
Defined Benefit Plan Disclosure [Line Items]
% of Total Portfolio	18.00%
One-Year Nominal Return	8.34%
Annual Standard Deviation	18.39%
International (Emerging)
Defined Benefit Plan Disclosure [Line Items]
% of Total Portfolio	8.00%
One-Year Nominal Return	11.12%
Annual Standard Deviation	27.24%