SUBSEQUENT EVENTS (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2018 USD ($)	Mar. 31, 2018 USD ($) a	Mar. 31, 2017 USD ($)	Mar. 31, 2018 USD ($) a	Mar. 31, 2017 USD ($)	May 14, 2018 USD ($) a
Subsequent Event [Line Items]
Sale of interest in leasehold land		$ 0	$ 0	$ 0	$ 1,678
Investment in Kukio Resort land development partnerships
Subsequent Event [Line Items]
Cash distribution from equity method investment					2,509
Investment in Kukio Resort land development partnerships | Subsequent Event [Member]
Subsequent Event [Line Items]
Cash distribution from equity method investment	$ 373
Non-controlling Interests | Investment in Kukio Resort land development partnerships
Subsequent Event [Line Items]
Cash distribution from equity method investment					307
Non-controlling Interests | Investment in Kukio Resort land development partnerships | Subsequent Event [Member]
Subsequent Event [Line Items]
Cash distribution from equity method investment	48
Kaupulehu Developments
Subsequent Event [Line Items]
Sale of interest in leasehold land		$ 0	$ 0	$ 0	$ 1,678
Area of land (in acres) | a		870		870
Kaupulehu Developments | Subsequent Event [Member]
Subsequent Event [Line Items]
Sale of interest in leasehold land	$ 310
HAWAII | Loss from Catastrophes | Subsequent Event [Member]
Subsequent Event [Line Items]
Area of land (in acres) | a						16
Land						$ 165