INVESTMENTS - PERCENTAGE OF SALES PAYMENTS (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2015 USD ($) a increment	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) a	Jun. 30, 2014 USD ($)
Investment Holdings [Line Items]
Sale of interest in leasehold land, net	$ 1,266	$ 258	$ 3,115	$ 378
Kaupulehu Developments
Investment Holdings [Line Items]
Proceeds from Sale of Interest in Leasehold Land Gross	1,473	300	3,623	440
Fees Related to Sale of Interest in Leasehold Land	(207)	(42)	(508)	(62)
Sale of interest in leasehold land, net	$ 1,266	$ 258	$ 3,115	$ 378
Area of land (in acres) | a	870		870
Number of development increments | increment	2
Land Interest
Investment Holdings [Line Items]
Area of land (in acres) | a	1,000		1,000