Benefits Plans - Net periodic pension expense (Details) - Pension Plan - DRP - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Net periodic pension expense: | ||||
| Service cost | $ 28,000 | $ 26,000 | $ 56,000 | $ 47,000 |
| Interest cost | 22,000 | 24,000 | 45,000 | 43,000 |
| Actuarial gain recognized | (6,000) | (5,000) | (15,000) | (15,000) |
| Total net periodic pension expense included in other non-interest expenses | 44,000 | 45,000 | 86,000 | 75,000 |
| Unrecognized net gains included in accumulated other comprehensive income | $ 29,000 | $ 19,000 | $ 50,000 | $ 9,000 |
| X | ||||||||||
- Definition Unrecognized net gain (loss) included in accumulated other comprehensive income. No definition available.
|
| X | ||||||||||
- Definition Amount of gain (loss), recognized immediately as component of net periodic benefit (cost) credit, for change in value of benefit obligation or plan assets from experience different from that assumed, change in actuarial assumption, or consequence of temporarily deviating from substantive plan. Includes, but is not limited to, amount in excess of 10 percent of greater of fair value of plan assets or benefit obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| 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 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
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|