EMPLOYEE BENEFIT PLANS - Net Periodic Pension Cost (Details) - Pension plan - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Net periodic pension cost included in the Bank's consolidated statements of income | ||||
| Service cost | $ 283,000 | $ 301,000 | $ 566,000 | $ 602,000 |
| Interest cost | $ 533,000 | $ 570,000 | $ 1,066,000 | $ 1,140,000 |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Interest Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] | Labor and Related Expense | Labor and Related Expense | Labor and Related Expense | Labor and Related Expense |
| Expected return on plan assets | $ (934,000) | $ (854,000) | $ (1,868,000) | $ (1,708,000) |
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Expected Return (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Labor and Related Expense | Labor and Related Expense | Labor and Related Expense | Labor and Related Expense |
| Amortization of net actuarial gain | $ (281,000) | $ (118,000) | $ (562,000) | $ (236,000) |
| Defined Benefit Plan, Net Periodic Benefit (Cost) Credit, Amortization of Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Labor and Related Expense | Labor and Related Expense | Labor and Related Expense | Labor and Related Expense |
| Net periodic pension (income) cost | $ (399,000) | $ (101,000) | $ (798,000) | $ (202,000) |
| Other disclosures | ||||
| Employer contributions | $ 0 | $ 0 | $ 0 | $ 0 |
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- Definition Employee Benefit Plans Other Disclosures [Abstract] No definition available.
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- 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 contribution received by defined benefit plan from employer which increases plan assets. 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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- References No definition available.
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- Definition Indicates line item in statement of income or comprehensive income that includes amortization of gain (loss) component of net periodic benefit (cost) credit for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates line item in statement of income or comprehensive income that includes expected return (loss) on plan asset component of net periodic benefit (cost) credit for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates line item in statement of income or comprehensive income that includes interest cost component 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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