EMPLOYEE BENEFIT PLANS - NRECA Executive Benefit Restoration Plan - Actuarial Gains and Losses (Details) - Executive Benefit Restoration Plan - 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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| Accumulated Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net of Tax [Roll Forward] | ||||
| Prior service cost at beginning of period | $ (1,176) | |||
| Amortization of net actuarial gain | $ 79 | $ 61 | 238 | $ 182 |
| Prior service cost at end of period | (938) | (938) | ||
| Amounts included in accumulated other comprehensive income at beginning of period | 2,545 | |||
| Amortization of actuarial gain | (235) | $ 0 | (235) | $ 0 |
| Amounts included in accumulated other comprehensive income at end of period | 2,310 | 2,310 | ||
| Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax | $ 1,372 | $ 1,372 | ||
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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, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of defined benefit plan, that has not been recognized in net periodic benefit cost (credit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax, of reclassification adjustment from accumulated other comprehensive (income) loss for prior service cost (credit) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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