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WUTC (Details 4) - Gas Distribution [Member] - WUTC [Member] - Cascade Natural Gas [Member] - USD ($) $ in Millions | Mar. 01, 2023 | Mar. 24, 2022
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Public Utilities, General Disclosures [Line Items] |  |
Public Utilities, Requested Rate Increase (Decrease), Amount |  | $ 3.3
Public Utilities, Approved Rate Increase (Decrease), Amount | $ 1.1 |

X
- Definition Amount of public utility's approved rate increase (decrease) by regulatory agency. + References No definition available. + Details
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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. + References No definition available. + Details
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- Definition Amount of public utility's requested rate increase (decrease) with regulatory agency. + References No definition available. + Details
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X
- Details
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Namespace Prefix: |
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Period Type: |

X
- Details
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X
- Details
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Period Type: |