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, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Pension Benefits [Member] | ||||||
| Defined Benefit Plan Disclosure [Line Items] | ||||||
| Service cost | $ 474 | $ 493 | $ 948 | $ 986 | ||
| Interest cost | 714 | 750 | 1,429 | 1,500 | ||
| Expected return on plan assets | (879) | (832) | (1,758) | (1,665) | ||
| Amortization of prior service cost | 0 | 0 | 0 | 0 | ||
| Recognized actuarial loss (gain) | 213 | 285 | 426 | 571 | ||
| Net periodic benefit cost | [1] | 522 | 696 | 1,045 | 1,392 | |
| Postretirement Benefits [Member] | ||||||
| Defined Benefit Plan Disclosure [Line Items] | ||||||
| Service cost | 220 | 202 | 440 | 403 | ||
| Interest cost | 327 | 310 | 654 | 621 | ||
| Expected return on plan assets | 0 | 0 | 0 | 0 | ||
| Amortization of prior service cost | (19) | (19) | (38) | (37) | ||
| Recognized actuarial loss (gain) | 13 | (8) | 26 | (17) | ||
| Net periodic benefit cost | [1] | $ 541 | $ 485 | $ 1,082 | $ 970 | |
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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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