EMPLOYEE BENEFIT PLANS - NRECA Executive Benefit Restoration Plan - Obligations (Details) $ in Thousands |
9 Months Ended |
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Sep. 30, 2026
USD ($)
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| Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | |
| Service cost | $ 375 |
| Interest cost | 335 |
| Executive Benefit Restoration Plan | |
| Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | |
| Postretirement medical benefit obligation at beginning of period | 8,534 |
| Service cost | 375 |
| Interest cost | 319 |
| Total postretirement and postemployment medical obligations at end of period | 9,228 |
| Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | |
| Fair value of plan assets at beginning of period | 10,360 |
| Actual return on plan assets | 35 |
| Fair value of plan assets at end of period | 10,395 |
| Net asset at end of period | $ 1,167 |
| Threshold of unrecognized amount of actuarial gains and losses as a proportion of projected benefit obligation (as a percent) | 10.00% |
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- Definition The threshold percentage, represented by unrecognized amount of actuarial gains and losses as a percentage of accumulated postretirement benefit obligation, above which the amounts are reclassified out of AOCI. No definition available.
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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 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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