SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Thousands, number in Millions	12 Months Ended
Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Nov. 18, 2022 USD ($)
Significant Accounting Policies [Line Items]
Number of natural gas distribution services customers	2.3
Segment Reporting, Disclosure of Major Customers	no	no	no
Allowance for Doubtful Accounts, Premiums and Other Receivables	$ 16,100	$ 16,700
Asset Impairment Charges	0	0	$ 0
Finite-Lived Intangible Assets, Gross				$ 327,400
Finite-Lived Intangible Asset, Useful Life				10 years
Depreciation and amortization	30,219	3,521
Deferred Tax Assets, Valuation Allowance	0	0
Liability for Uncertainty in Income Taxes, Current	0	0
Kansas Gas Service Securitization I LLC
Significant Accounting Policies [Line Items]
Depreciation and amortization	$ 30,200	$ 3,500

Number of customers the natural gas distribution service segment services.

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Line items for Significant accounting policies of the reporting entity.

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The valuation allowance as of the balance sheet date to reduce the gross amount of receivables to estimated net realizable value, which would be presented in parentheses on the face of the balance sheet.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount recognized for uncertainty in income taxes classified as current.

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Disclosure of the extent of enterprise reliance on its major customers. For example, includes revenues from transactions with a single external customer amounting to 10 percent or more of the entity's revenues, the total amount of revenues from each such customer, and the identity of the segment or segments reporting the revenues. A group of entities that the entity knows to be under common control generally will be considered a single customer for inclusion in this item. The federal government, a state government, a local government (for example, a county or municipality), or a foreign government each will generally be considered as a single customer for inclusion in this item.

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