Retirement Plans - Summary of Categories in Fair Value Hierarchy (Parenthetical) (Details)	12 Months Ended
Dec. 31, 2021
Long-term Government Bonds
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, maturity period	10 years
Treasury Strips \| Minimum
Defined Benefit Plan Disclosure [Line Items]
Defined benefit plan, plan assets, maturity period	20 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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