INVESTMENTS - SUMMARY OF REVENUES (Details) - Kaupulehu Developments - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Investment Holdings [Line Items]
Revenues - sale of interest in leasehold land	$ 0	$ 0	$ 0	$ 165
Fees - included in general and administrative expenses	0	0	0	(20)
Sale of interest in leasehold land, net of fees paid	$ 0	$ 0	$ 0	$ 145