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RELATED PARTY TRANSACTIONS (Details) $ in Thousands | 1 Months Ended | 5 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2018 USD ($) | Mar. 06, 2019 USD ($) | Sep. 30, 2020 USD ($) lot | Sep. 30, 2019 USD ($) lot | Sep. 30, 2017 lot | Sep. 30, 2016 lot
Kaupulehu Developments |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Revenues - sale of interest in leasehold land |  |  | $ 325 | $ 165 |  |
Kaupulehu Developments | KD Kaupulehu LLLP Increment I | Investments in land development partnerships |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Revenues - sale of interest in leasehold land |  |  | $ 325 | $ 165 |  |
Kaupulehu Developments | KD Kaupulehu LLLP Increment II |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Percent of Increment II distributions |  | 50.00% |  |  |  |
Gain contingency, unrecorded amount |  | $ 8,000 |  |  |  |
50% of Increment II distributions received |  | $ 3,500 |  |  |  |
Kaupulehu Developments | KD Kaupulehu, LLLP | Investments in land development partnerships | Increment I |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Number of single family lots sold | lot |  |  | 2 | 1 |  |
KD Kaupulehu LLLP Increment II | Kaupulehu Developments |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
50% of Increment II distributions received | $ 1,000 |  |  |  |  |
Number of single family lots sold | lot |  |  |  |  | 1 | 1
KD Acquisition, LLLP | Investments in land development partnerships |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Ownership interest acquired |  |  | 19.60% |  |  |
KD Acquisition II, LP | Barnwell Industries Inc | Investments in land development partnerships |  |  |  |  |  |
Related party transactions |  |  |  |  |  |
Ownership interest acquired |  |  | 10.80% |  |  |

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