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INVESTMENTS - SUMMARY OF REVENUES (Details) - Kaupulehu Developments - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Investment Holdings [Line Items] |  |
Revenues - sale of interest in leasehold land | $ 1,738 | $ 325
Fees - included in general and administrative expenses | (212) | (40)
Sale of interest in leasehold land, net of fees paid | $ 1,526 | $ 285

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