INVESTMENTS - PERCENTAGE OF SALES PAYMENTS (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2015 USD ($) a increment	Dec. 31, 2014 USD ($)
Investment Holdings [Line Items]
Sale of interest in leasehold land, net	$ 129	$ 1,032
Kaupulehu Developments
Investment Holdings [Line Items]
Proceeds from Sale of Interest in Leasehold Land Gross	150	1,200
Fees Related to Sale of Interest in Leasehold Land	(21)	(168)
Sale of interest in leasehold land, net	$ 129	$ 1,032
Area of land (in acres) | a	870
Number of development increments | increment	2
Land Interest
Investment Holdings [Line Items]
Area of land (in acres) | a	1,000