Represents the cumulative amount recovered from members pursuant to rate management programs.

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- Definition

Litigation Settlement, Receivable

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Represents the ratio of margins for interest to total interest charges for a given period.

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Represents the minimum margins to interest ratio required to be maintained under first mortgage indenture by the entity.

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No definition available.

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- Definition

Represents the number of electric distribution cooperative members.

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No definition available.

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Represents the number of services provided.

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No definition available.

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The period of additional collections made to recover future expense on a current basis.

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No definition available.

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The amount of billing made by participating members under rate management program.

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No definition available.

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Rate Management Program, Billing Period

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No definition available.

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Amount, before 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.

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Amount of liability for consideration received or receivable from customer which is not included in transaction price, when consideration is expected to be refunded to customer.

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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.

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Revenue Recognition - Narrative (Details)	3 Months Ended		12 Months Ended
Revenue Recognition - Narrative (Details)	Mar. 31, 2025 USD ($) member service	Mar. 31, 2024 USD ($)	Dec. 31, 2025	Dec. 31, 2024 USD ($)	Dec. 31, 2018
Revenue Recognition
Number of electric distribution cooperative members \| member	38
Number of services provided \| service	2
Margins for interest ratio	1.10
Minimum margins to interest ratio				1.14
Refund liability	$ 0			$ 55,914,000
Forecast
Revenue Recognition
Minimum margins to interest ratio			1.10
Plant Hatch And Plant Vogtle \| Litigation Nuclear Fuel Disposal Cost \| Settled Litigation
Revenue Recognition
Litigation settlement, receivable				39,433,000
Vogtle New Units
Revenue Recognition
Refund liability	175,811,000
Rate management program, additional collection period					5 years
Rate management program, billing period					5 years
Amounts billed under additional rate management program	24,232,000	$ 30,409,000
Cumulative recovery of financing costs	369,102,000
Sales to members
Revenue Recognition
Receivables from contracts	185,202,000			177,790,000
Sale of Bobby C. Smith Jr. Deferring Members' Output
Revenue Recognition
Receivables from contracts	$ 47,140,000			$ 68,791,000