RELATED PARTY TRANSACTIONS (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2017 USD ($) lot	Mar. 31, 2016 USD ($) lot
Related party transactions
Revenues - sale of interest in leasehold land	$ 0	$ 330	$ 1,678	$ 480
Kaupulehu Developments
Related party transactions
Revenues - sale of interest in leasehold land	$ 0	$ 330	$ 1,678	480
Kaupulehu Developments | KD Kaupulehu, LLLP | Investment in Kukio Resort land development partnerships
Related party transactions
Ownership interest acquired	19.60%		19.60%
Revenues - sale of interest in leasehold land			$ 1,678	$ 480
Kaupulehu Developments | KD Kaupulehu, LLLP | Investment in Kukio Resort land development partnerships | Increment II [Member]
Related party transactions
Number of single family lots sold | lot			1
Kaupulehu Developments | KD Kaupulehu, LLLP | Investment in Kukio Resort land development partnerships | increment I | Phase II
Related party transactions
Number of single family lots sold | lot				2