INVESTMENTS INVESTMENTS - SUMMARY OF REVENUES (Details) - Kaupulehu Developments - USD ($) $ in Thousands	12 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Investment Holdings [Line Items]
Revenues - sale of interest in leasehold land	$ 165	$ 1,645
Fees - included in general and administrative expenses	20	216
Sale of interest in leasehold land, net of fees paid	$ 145	$ 1,429

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