Note 11 - Components of Net Periodic Pension Cost - Net Periodic Pension Cost (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Service cost | $ 0 | $ 0 | $ 0 | $ 0 |
| Net amortization | 0 | 0 | ||
| Pension Plan [Member] | Legacy FLIC Plan [Member] | ||||
| Service cost | 0 | 486 | 0 | 486 |
| Interest cost | 627 | 899 | 1,879 | 899 |
| Expected return on plan assets | (892) | (1,153) | (2,675) | (1,153) |
| Total periodic pension income | (265) | 232 | (796) | 232 |
| Net amortization | 0 | 0 | 0 | 0 |
| Pension Plan [Member] | Legacy CNOB Plan [Member] | ||||
| Interest cost | 90 | 105 | 270 | 316 |
| Expected return on plan assets | (238) | (230) | (714) | (690) |
| Total periodic pension income | $ (148) | $ (125) | $ (444) | $ (374) |
| 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
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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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