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IPUC (Details) - Intermountain Gas Company - Gas Distribution [Member] - IPUC - USD ($) $ in Millions | Feb. 01, 2023 | Dec. 01, 2022
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Subsequent Event [Member] |  |
Public Utilities, General Disclosures [Line Items] |  |
Public Utilities, Approved Rate Increase (Decrease), Amount | $ 56.5 |
Public Utilities, Approved Rate Increase (Decrease), Percentage | 17.10% |
Pending Rate Case [Member] |  |
Public Utilities, General Disclosures [Line Items] |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  | $ 11.3
Public Utilities, Requested Rate Increase (Decrease), Percentage |  | 3.20%

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- Details
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