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OIL AND NATURAL GAS PROPERTIES (Details) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Jul. 31, 2024 | Dec. 31, 2022 | Jun. 30, 2024 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 01, 2022
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Proceeds from the sale of oil and natural gas assets |  |  |  |  | $ 441 | $ 0 |
Costs incurred |  |  |  |  | 4,048 | 11,430 |
Impairment of assets |  |  |  |  | 2,885 | 0 |
United States |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Costs incurred |  |  |  |  | 183 | 5,099 |
Canada |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Costs incurred |  |  |  |  | 3,865 | 6,331 |
Oil and natural gas |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Impairment of assets |  |  |  |  | 2,885 | 0 |
Oil and natural gas | United States |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Impairment of assets |  |  |  |  | 721 |  |
Oil and natural gas | Canada |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Impairment of assets |  |  |  |  | 2,164 |  |
Barnwell Industries Inc | Kaybob, Alberta, Canada |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Proceeds from the sale of oil and natural gas assets |  |  |  | $ 441 |  |  |
Barnwell Industries Inc | Bonanza and Balsam, Alberta, Canada |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Overriding royalty percentage |  | 4.00% |  |  |  |  |
Amount of the full cost pool and abandonment liabilities reduced |  | $ 153 |  |  |  |  |
Barnwell Industries Inc | Wood River, Alberta, Canada |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Proceeds from the sale of oil and natural gas assets | $ 292 |  |  |  |  |  |
Income taxes receivable | $ 38 |  |  |  | $ 38 |  |
Barnwell Texas, LLC |  |  |  |  |  |  |
Oil and Natural Gas Properties [Line Items] |  |  |  |  |  |  |
Working interest in oil and gas leasehold acreage |  |  |  |  |  |  | 22.30%
Cash paid to acquire working interest in oil and gas leasehold acreage |  |  | $ 806 |  |  |  |
Working interest in oil wells |  |  |  |  |  |  | 15.40%
Costs incurred |  |  |  |  |  | $ 4,293 |

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