EMPLOYEE BENEFIT PLANS - Components of Periodic Net benefit Cost (Details) $ in Thousands |
9 Months Ended |
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Sep. 30, 2026
USD ($)
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| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | |
| Service cost | $ 375 |
| Interest cost | 335 |
| Amortization of prior service cost | 238 |
| Amortization of actuarial gain | (335) |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | 613 |
| Postretirement Medical Benefit Plans | |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | |
| Service cost | 0 |
| Interest cost | 16 |
| Amortization of prior service cost | 0 |
| Amortization of actuarial gain | (100) |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | (84) |
| Executive Benefit Restoration Plan | |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] | |
| Service cost | 375 |
| Interest cost | 319 |
| Amortization of prior service cost | 238 |
| Amortization of actuarial gain | (235) |
| Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | $ 697 |
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- 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
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- 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
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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 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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