Employee Benefit Plans Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Pension Benefits [Member] | ||||
| Components of Net Periodic Benefit Cost (Income) [Abstract] | ||||
| Service cost | $ 1,145 | $ 1,167 | $ 2,243 | $ 2,362 |
| Interest cost | 2,853 | 6,104 | 5,744 | 12,149 |
| Expected return on plan assets | (2,902) | (5,734) | (5,825) | (11,476) |
| Recognized actuarial gain | 0 | 0 | 0 | |
| Net periodic benefit cost (credit) | 1,096 | 1,537 | 2,162 | 3,035 |
| Minimum Expected Future Employer Pension Contributions, Remainder of Fiscal Year | 6,600 | 6,600 | ||
| Payment for Pension Benefits | 4,900 | |||
| Other Postretirement Benefits [Member] | ||||
| Components of Net Periodic Benefit Cost (Income) [Abstract] | ||||
| Service cost | 48 | 66 | 102 | 128 |
| Interest cost | 93 | 129 | 195 | 256 |
| Expected return on plan assets | (403) | (355) | (806) | (709) |
| Recognized actuarial gain | (182) | (68) | (343) | (138) |
| Net periodic benefit cost (credit) | $ (444) | $ (228) | $ (852) | $ (463) |
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- Definition Minimum Expected Future Employer Pension Contributions, Remainder of Fiscal Year No definition available.
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of cash outflow for pension benefit. Includes, but is not limited to, employer contribution to fund plan asset and payment to retiree. Excludes other postretirement benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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