Pension and Retirement Benefit Plans - Schedule of Components of Net Periodic Cost (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Retirement Plan [Member] | ||||
| Schedule of Components of Net Periodic Benefit Costs [Line Items] | ||||
| Interest cost | $ 236 | $ 234 | $ 709 | $ 702 |
| Service cost | 50 | 57 | 150 | 171 |
| Expected return on plan assets | (331) | (313) | (992) | (938) |
| Net periodic expense (benefit) | (45) | (22) | (133) | (65) |
| Postretirement Plan [Member] | ||||
| Schedule of Components of Net Periodic Benefit Costs [Line Items] | ||||
| Interest cost | 47 | 48 | 140 | 145 |
| Service cost | 4 | 4 | 12 | 11 |
| Amortization of net gains | (7) | (27) | (20) | (81) |
| Net periodic expense (benefit) | $ 44 | $ 25 | $ 132 | $ 75 |
| X | ||||||||||
- Definition The amount of interest cost. No definition available.
|
| X | ||||||||||
- Definition The amount of service cost. No definition available.
|
| 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 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
|
| 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 net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|