Retirement Plans - Summary of Pension Plan Asset Allocation (Details)	Dec. 31, 2021	Dec. 31, 2020
Retirement Plans
Target Allocations	100.00%
Percentage of Plan Assets at December 31,	100.00%	100.00%
Equity Securities
Retirement Plans
Target Allocations	0.00%
Percentage of Plan Assets at December 31,	0.00%	13.00%
Fixed income/Debt securities
Retirement Plans
Target Allocations	100.00%
Percentage of Plan Assets at December 31,	100.00%	83.00%
Other
Retirement Plans
Target Allocations	0.00%
Percentage of Plan Assets at December 31,	0.00%	4.00%