Contract Termination Payment, Amount Received

No definition available.

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- Definition

Contract Termination Payment, Amount Received, Exit Fee

+ References

No definition available.

+ Details

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- Definition

Contract Termination Payment, Amount Received, Patronage Capital Credit

+ References

No definition available.

+ Details

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- Definition

Contract Termination Payment, Amount Received, Transmission Credit

+ References

No definition available.

+ Details

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- Definition

Number of classes of members of the reporting entity.

+ References

No definition available.

+ Details

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- Definition

Number of members of the reporting entity.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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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.

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- Definition

The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

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- Definition

The amount for the individual regulatory asset as itemized in a table of regulatory assets as of the end of the period.

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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.

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PRESENTATION OF FINANCIAL INFORMATION - Narrative (Details) $ in Thousands			6 Months Ended	12 Months Ended
	May 08, 2024 USD ($)	May 01, 2024 USD ($)	Jun. 30, 2024 USD ($) member_system class_of_membership non-utility_member	Dec. 31, 2023 USD ($)
Disaggregation of Revenue [Line Items]
Number of classes of members \| class_of_membership			3
Regulatory assets			$ 903,354	$ 919,483
Amount received for contract termination payment		$ 709,400
Exit fee related to contract termination payment		627,200
Patronage capital credit related to contract termination payment		82,200
Proceeds from sale of assets	$ 75,000
Regulatory liability			693,835	2,317
Transmission credit portion of contract termination payment		179,300
Deferred membership withdrawal income
Disaggregation of Revenue [Line Items]
Regulatory liability		$ 530,100	513,699	$ 463
J.M. Shafer and Colowyo Coal \| Acquisition costs
Disaggregation of Revenue [Line Items]
Regulatory assets			$ 68,900
Class A Members
Disaggregation of Revenue [Line Items]
Number of members \| member_system			41
Class B Members
Disaggregation of Revenue [Line Items]
Number of members \| member_system			0
Non-Utility Members
Disaggregation of Revenue [Line Items]
Number of members \| non-utility_member			3
United Power, Inc. \| Revenue Benchmark \| Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Concentration risk (as a percent)			13.70%	19.70%