INVESTMENTS - SUMMARY OF REVENUES (Details) - Kaupulehu Developments - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Investment Holdings [Line Items]
Revenues - sale of interest in leasehold land	$ 0	$ 500
Fees - included in general and administrative expenses	0	(61)
Sale of interest in leasehold land, net of fees paid	$ 0	$ 439