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Employee Benefit Plans - Schedule of Fair Value Measured by Net Asset Value (Details) - Pension Benefits - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Employee benefit plans |  |  |
Fair Value | $ 217,162 | $ 205,305 | $ 186,906
Unfunded Commitments | 0 | 0 |
Cash equivalents |  |  |
Employee benefit plans |  |  |
Fair Value | 939 | 814 |
Unfunded Commitments | 0 | 0 |
Fixed income fund |  |  |
Employee benefit plans |  |  |
Fair Value | 84,394 | 80,737 |
Unfunded Commitments | 0 | 0 |
Total equity funds |  |  |
Employee benefit plans |  |  |
Fair Value | 121,629 | 114,309 |
Unfunded Commitments | 0 |  |
U.S. small/mid cap funds |  |  |
Employee benefit plans |  |  |
Fair Value | 21,324 | 19,162 |
Unfunded Commitments | 0 | 0 |
U.S. large cap funds |  |  |
Employee benefit plans |  |  |
Fair Value | 53,819 | 49,770 |
Unfunded Commitments | 0 | 0 |
International funds |  |  |
Employee benefit plans |  |  |
Fair Value | 46,486 | 45,377 |
Unfunded Commitments | 0 | 0 |
Real estate funds |  |  |
Employee benefit plans |  |  |
Fair Value | 10,200 | 9,445 |
Unfunded Commitments | $ 0 | $ 0 |

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