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Maui windstorm and wildfires - Utilities Charged (Details) - Natural Disasters and Other Casualty Events - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
Maui Windstorm and Wildfires |  |
Public Utilities, General Disclosures [Line Items] |  |
Total Maui windstorm and wildfires related expenses | $ 30,118 | $ 138,383
Insurance recovery | (12,577) | (104,580)
Deferral treatment approved by the PUC | (7,898) | (14,692)
Total Maui windstorm and wildfires related expenses, net of insurance recoveries and approved deferral treatment | 9,643 | 19,111
Legal expenses |  |
Public Utilities, General Disclosures [Line Items] |  |
Total Maui windstorm and wildfires related expenses | 15,027 | 34,876
Loss From Catastrophes, One 'Ohana Initiative Contribution |  |
Public Utilities, General Disclosures [Line Items] |  |
Total Maui windstorm and wildfires related expenses | 0 | 75,000
Other expense |  |
Public Utilities, General Disclosures [Line Items] |  |
Total Maui windstorm and wildfires related expenses | 15,091 | 28,507
Hawaiian Electric Company, Inc. and Subsidiaries | Maui Windstorm and Wildfires |  |
Public Utilities, General Disclosures [Line Items] |  |
Total Maui windstorm and wildfires related expenses | 24,567 | 114,808
Insurance recovery | (9,969) | (98,613)
Deferral treatment approved by the PUC | (7,898) | (14,692)
Total Maui windstorm and wildfires related expenses, net of insurance recoveries and approved deferral treatment | 6,700 | 1,503
Hawaiian Electric Company, Inc. and Subsidiaries | Legal expenses |  |
Public Utilities, General Disclosures [Line Items] |  |
Total Maui windstorm and wildfires related expenses | 10,735 | 24,737
Hawaiian Electric Company, Inc. and Subsidiaries | Loss From Catastrophes, One 'Ohana Initiative Contribution |  |
Public Utilities, General Disclosures [Line Items] |  |
Total Maui windstorm and wildfires related expenses | 0 | 75,000
Hawaiian Electric Company, Inc. and Subsidiaries | Other expense |  |
Public Utilities, General Disclosures [Line Items] |  |
Total Maui windstorm and wildfires related expenses | $ 13,832 | $ 15,071

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