INVESTMENTS (Details) $ in Thousands		3 Months Ended
	Nov. 27, 2013 USD ($) partnership	Dec. 31, 2017 USD ($) a increment lot	Dec. 31, 2016 USD ($)	Sep. 30, 2017 USD ($)
Investment in Land [Line Items]
Investments		$ 2,056		$ 2,209
Equity in (loss) income of affiliates		(153)	$ 2,326
Revenues - sale of interest in leasehold land		0	1,678
Kaupulehu Developments
Investment in Land [Line Items]
Revenues - sale of interest in leasehold land		0	1,678
Fees - included in general and administrative expenses		0	(260)
Proceeds from sale of interest in leasehold land, net of fees paid		$ 0	1,418
Area of land (in acres) | a		870
Number of development increments | increment		2
Investment in land development partnerships
Investment in Land [Line Items]
Investments		$ 2,006		2,159
Number of limited liability limited partnerships formed | partnership	2
Ownership percentage	19.60%
Number of lots remaining to be sold | lot		23
Cash Distribution from Equity Method Investment			443
Minority interests portion of distribution from equity investee			54
Equity in (loss) income of affiliates		$ (153)	2,326
Basis Difference Adjustment		3	19
Basis difference between the underlying equity in net assets of the investee and the carrying value of the entity's investment		319
Equity Method Investment, Summarized Financial Information [Abstract]
Revenue		1,560	24,874
Gross profit		686	11,496
Net earnings		(503)	$ 10,661
Investment in land development partnerships | KD Kukio Resorts, LLLP, KD Maniniowali, LLLP, and KD Kaupulehu, LLLP
Investment in Land [Line Items]
Ownership interest acquired, aggregate cost	$ 5,140
Investment in land development partnerships | KD Kukio Resorts LLLP
Investment in Land [Line Items]
Ownership interest acquired (as a percent)	19.60%
Investment in land development partnerships | KD Maniniowali, LLLP
Investment in Land [Line Items]
Ownership interest acquired (as a percent)	19.60%
Investment in land development partnerships | KD Kaupulehu, LLLP
Investment in Land [Line Items]
Ownership interest acquired (as a percent)	19.60%
Land Interest
Investment in Land [Line Items]
Investments		$ 50		$ 50
Area of land (in acres) | a		1,000