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Commitments and Contingencies (Details) gal / d in Thousands, a in Thousands |  |  |  |  |  | 1 Months Ended | 2 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 17, 2023 reservoir | Jun. 16, 2023 gal / d | Oct. 11, 2019 license | Jan. 07, 2019 gal / d | Apr. 10, 2015 plaintiff | May 31, 2016 | Jan. 31, 2019 | Sep. 30, 2023 USD ($) | Dec. 31, 2018 a license
East Maui Irrigation Company, LLC (EMI) |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Interest held in EMI |  |  |  |  |  |  | 50.00% |  |
East Maui Irrigation Company, LLC (EMI) | Maui |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Area of land sold (in acres) | a |  |  |  |  |  |  |  |  | 41
East Maui Irrigation Company, LLC (EMI) | East Maui |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Watershed lands owned (in acres) | a |  |  |  |  |  |  |  |  | 16
State of Hawai'i | East Maui |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of water licenses held and extended as revocable permits | license |  |  |  |  |  |  |  |  | 4
Additional watershed lands accessible by licenses (in acres) | a |  |  |  |  |  |  |  |  | 30
Financial Guarantee |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Guarantor obligations, current carrying value |  |  |  |  |  |  |  | $ 0 |
Bid, Performance and Payment Bonds and Commercial Bonds |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Possible administrative penalty |  |  |  |  |  |  |  | 18,700,000 |
Estimated remaining exposure |  |  |  |  |  |  |  | 139,100,000 |
Performance Bond |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Possible administrative penalty |  |  |  |  |  |  |  | 357,400,000 |
Long Term Water Lease Request |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of water licenses held and extended as revocable permits | license |  |  | 4 |  |  |  |  |  |
Number of parties filed lawsuit | plaintiff |  |  |  |  | 3 |  |  |  |
Duration of revocable permits for disposition of water rights |  |  | 1 year |  |  | 3 years |  |  |
Sierra Club Lawsuit Against BLNR, A&B, and EMI |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Number of gallons per day diverted (in gallons) | gal / d |  | 31,500 |  | 25,000 |  |  |  |  |
Number of reservoirs to be lined | reservoir | 1 |  |  |  |  |  |  |  |
Letters of Credit |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |
Standby letters of credit outstanding |  |  |  |  |  |  |  | $ 1,100,000 |

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