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Regulatory Matters: Tax Cut and Jobs Act (Details) - Kansas Corporation Commission (KCC) - Kansas Gas - USD ($) $ in Millions |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jan. 01, 2022 | Sep. 30, 2022 | Sep. 30, 2022
Public Utilities, General Disclosures [Line Items] |  |  |
Settlement of Plan to Provide TCJA and State Tax Reform benefits to Customers Annually | $ 3.0 |  |
Number of Years TCJA and State Tax Reform Benefits to be Provide to Customers | 3 years |  |
Settlement Total of Plan to Provide TCJA and State Tax Reform benefits to Customers | $ 9.1 |  |
Annual TCJA-Related Customer Billing Credits |  | $ 0.6 | $ 2.1

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