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Pension and Other Postretirement Benefits - Schedule of Fair Values of Pension Plan Assets by Asset Category (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | $ 283,176 | $ 301,378
U.S. equities fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 40,260 | 34,966
Non-U.S. equities fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 37,321 | 35,939
Government bond fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 63,502 | 77,480
Corporate bond fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 62,950 | 62,456
Fixed income fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 20,348 | 22,673
Liability driven investment fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 43,354 | 51,412
Other investments |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 7,382 | 9,565
Cash and equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 8,059 | 6,887
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 3,404 | 2,662
Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. equities fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Non-U.S. equities fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Government bond fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bond fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Fixed income fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Liability driven investment fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Other investments |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Cash and equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 3,404 | 2,662
Significant Observable Inputs (Level 2) |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Significant Observable Inputs (Level 2) | U.S. equities fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Significant Observable Inputs (Level 2) | Non-U.S. equities fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Significant Observable Inputs (Level 2) | Government bond fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Significant Observable Inputs (Level 2) | Corporate bond fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Significant Observable Inputs (Level 2) | Fixed income fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Significant Observable Inputs (Level 2) | Liability driven investment fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Significant Observable Inputs (Level 2) | Other investments |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Significant Observable Inputs (Level 2) | Cash and equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 0 | 0
Investments Measured at Net Asset Value |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 279,772 | 298,716
Investments Measured at Net Asset Value | U.S. equities fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 40,260 | 34,966
Investments Measured at Net Asset Value | Non-U.S. equities fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 37,321 | 35,939
Investments Measured at Net Asset Value | Government bond fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 63,502 | 77,480
Investments Measured at Net Asset Value | Corporate bond fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 62,950 | 62,456
Investments Measured at Net Asset Value | Fixed income fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 20,348 | 22,673
Investments Measured at Net Asset Value | Liability driven investment fund |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 43,354 | 51,412
Investments Measured at Net Asset Value | Other investments |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | 7,382 | 9,565
Investments Measured at Net Asset Value | Cash and equivalents |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair values of pension plan assets by asset category | $ 4,655 | $ 4,225

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