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Electric utility segment - Regulatory Assets for Suspension of Disconnections Related Costs (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Regulatory Projects and Legal Obligations [Line Items] |  |
Regulatory assets | $ 231,197 | $ 242,513
Hawaiian Electric Company, Inc. and Subsidiaries | Suspension Of Disconnections |  |
Regulatory Projects and Legal Obligations [Line Items] |  |
Regulatory assets | $ 100 |

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- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 340 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481878/980-340-50-1 + Details
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- Details
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- Details
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