INVESTMENTS - PERCENTAGE OF SALES PAYMENTS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Investment Holdings [Line Items]
Sale of interest in leasehold land, net	$ 817	$ 0	$ 1,849	$ 120
Kaupulehu Developments
Investment Holdings [Line Items]
Proceeds from Sale of Interest in Leasehold Land Gross	950	0	2,150	140
Fees Related to Sale of Interest in Leasehold Land	(133)	0	(301)	(20)
Sale of interest in leasehold land, net	$ 817	$ 0	$ 1,849	$ 120
Area of land (in acres)	870		870
Number of development increments	2
Land Interest
Investment Holdings [Line Items]
Area of land (in acres)	1,000		1,000