Benefit Plans (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Defined Benefit Pension Plans | ||||
| Defined Benefit Plan, Net Periodic Expense (Benefit) | ||||
| Interest cost | $ 820 | $ 808 | $ 1,642 | $ 1,616 |
| Expected return on plan assets | (808) | (827) | (1,617) | (1,654) |
| Settlement gain | (1) | (6) | (1) | (6) |
| Net periodic expense (benefit) | 11 | (25) | 24 | (44) |
| Other Postretirement Benefits Plan | ||||
| Defined Benefit Plan, Net Periodic Expense (Benefit) | ||||
| Interest cost | 7 | 6 | 13 | 12 |
| Amortization of prior service credit | 0 | (7) | 0 | (15) |
| Amortization of net gain | (1) | 0 | (2) | (1) |
| Net periodic expense (benefit) | $ 6 | $ (1) | $ 11 | $ (4) |
| X | ||||||||||
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Definition Amount of cost recognized for passage of time related to defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|