PRESENTATION OF FINANCIAL INFORMATION - Narrative (Details) $ in Thousands |
Sep. 30, 2026
USD ($)
member_system
non-utility_member
|
Dec. 31, 2025
USD ($)
|
|---|---|---|
| Disaggregation of Revenue [Line Items] | ||
| Regulatory liabilities | $ 510,741 | $ 358,446 |
| Deferred Membership Withdrawal Income | ||
| Disaggregation of Revenue [Line Items] | ||
| Regulatory liabilities | $ 99,104 | $ 30,236 |
| Class A Members | ||
| Disaggregation of Revenue [Line Items] | ||
| Number of electric distribution member systems | member_system | 39 | |
| Non-Utility Members | ||
| Disaggregation of Revenue [Line Items] | ||
| Number of members | non-utility_member | 3 |
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- Definition Number Of Electric Distribution Member Systems No definition available.
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- Definition Number of members of the reporting entity. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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- Details
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- Details
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