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Benefit Plans - Benefits Expected to be Paid in Next Five Years (Details) $ in Thousands | Dec. 31, 2023 USD ($)
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Pension Benefits |
Expected Future Benefit Payments [Abstract] |
2024 | $ 16,727
2025 | 17,455
2026 | 22,753
2027 | 18,977
2028 | 19,121
2029 - 2033 | 104,931
Other Postretirement Benefits |
Expected Future Benefit Payments [Abstract] |
2024 | 1,461
2025 | 1,549
2026 | 1,619
2027 | 1,691
2028 | 1,647
2029 - 2033 | 8,580
Maximum |
Defined Benefit Plan Disclosure [Line Items] |
Estimated required and discretionary employer cash contributions | $ 8,744

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