Pension and Other Postretirement Benefits - Schedule of Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Pension Benefits [Member] | ||||||
| Defined Benefit Plan Disclosure [Line Items] | ||||||
| Service cost | $ 493 | $ 502 | $ 986 | $ 1,004 | ||
| Interest cost | 750 | 668 | 1,500 | 1,337 | ||
| Expected return on plan assets | (832) | (839) | (1,665) | (1,678) | ||
| Amortization of prior service cost | 0 | 0 | 0 | 0 | ||
| Recognized actuarial loss (gain) | 285 | 332 | 571 | 663 | ||
| Net periodic benefit cost | [1] | 696 | 663 | 1,392 | 1,326 | |
| Postretirement Benefits [Member] | ||||||
| Defined Benefit Plan Disclosure [Line Items] | ||||||
| Service cost | 202 | 213 | 403 | 426 | ||
| Interest cost | 310 | 285 | 621 | 572 | ||
| Expected return on plan assets | 0 | 0 | 0 | 0 | ||
| Amortization of prior service cost | (19) | 0 | (37) | 0 | ||
| Recognized actuarial loss (gain) | (8) | (8) | (17) | (17) | ||
| Net periodic benefit cost | [1] | $ 485 | $ 490 | $ 970 | $ 981 | |
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before tax, after reclassification adjustment, of increase (decrease) in accumulated other comprehensive income from gain (loss) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition 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. 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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- 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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- Details
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