Related Party Transactions - Narrative (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
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| Related Party Transaction [Line Items] | ||
| Special funds | $ 69,885 | $ 69,564 |
| Related Party | Wholesale Power Agreement | ||
| Related Party Transaction [Line Items] | ||
| Receivables – Members | 223,800 | 202,400 |
| Related Party | Missouri Basin Power Project (MBPP) | ||
| Related Party Transaction [Line Items] | ||
| Other receivables | 2,800 | 2,300 |
| Special funds | $ 17,000 | $ 17,000 |
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- Definition Special Funds No definition available.
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount due from parties in nontrade transactions, classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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