INVESTMENTS - SUMMARY OF REVENUES (Details) - Kaupulehu Developments - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Investment Holdings [Line Items]
Revenues - sale of interest in leasehold land	$ 0	$ 1,310	$ 165	$ 1,310
Fees - included in general and administrative expenses	0	(175)	(20)	(175)
Sale of interest in leasehold land, net of fees	$ 0	$ 1,135	$ 145	$ 1,135