RELATED PARTY TRANSACTIONS (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2016 USD ($) lot	Dec. 31, 2015 USD ($) lot
Related party transactions
Sale of interest in leasehold land	$ 1,678	$ 150
Kaupulehu Developments
Related party transactions
Sale of interest in leasehold land	$ 1,678	150
Kaupulehu Developments | KD Kaupulehu, LLLP | Investment in land development partnerships
Related party transactions
Ownership interest acquired (as a percent)	19.60%
Sale of interest in leasehold land	$ 1,678	$ 150
Increment II [Member] | Kaupulehu Developments | KD Kaupulehu, LLLP | Investment in land development partnerships
Related party transactions
Number of lots sold | lot	1
Increment I [Member] | Kaupulehu Developments | KD Kaupulehu, LLLP | Investment in land development partnerships
Related party transactions
Number of lots sold | lot		1