INVESTMENTS (Details)		12 Months Ended
	Nov. 27, 2013 USD ($) partnership	Sep. 30, 2016 USD ($) a increment lot	Sep. 30, 2015 USD ($)
Summary of investments
Total investments		$ 3,552,000	$ 6,288,000
Equity in income of affiliates		2,624,000	1,580,000
Revenues sale of interest in leasehold land, net		$ 1,915,000	3,244,000
Kaupulehu Developments
Summary of investments
Area of land (in acres) | a		870
Number of development increments | increment		2
Sale of interest in leasehold land: Proceeds		$ 2,255,000	3,772,000
Sale of interest in leasehold land: Fees		(340,000)	(528,000)
Revenues sale of interest in leasehold land, net		1,915,000	3,244,000
KD Kaupulehu LLLP Increment I | Kaupulehu Developments
Summary of investments
Gross proceeds from sale of Increment I single-family lots on which payments to be received from KD I is based		$ 205,000,000
Number of Lots Remaining to be Sold | lot		25
Number of lots sold | lot		3
Number of lots developed | lot		80
KD Kaupulehu LLLP Increment I | Kaupulehu Developments | Aggregate gross proceeds up to $100,000,000
Summary of investments
Payments Entitled to be Received as Percentage of Gross Proceeds from Sale of Single Family Lots		9.00%
KD Kaupulehu LLLP Increment I | Kaupulehu Developments | Aggregate gross proceeds greater than $100,000,000 up to $300,000,000
Summary of investments
Payments Entitled to be Received as Percentage of Gross Proceeds from Sale of Single Family Lots		10.00%
KD Kaupulehu LLLP Increment I | Kaupulehu Developments | Aggregate gross proceeds in excess of $300,000,000
Summary of investments
Payments Entitled to be Received as Percentage of Gross Proceeds from Sale of Single Family Lots		14.00%
KD Kaupulehu LLLP Increment I | Kaupulehu Developments | Minimum | Aggregate gross proceeds greater than $100,000,000 up to $300,000,000
Summary of investments
Gross proceeds from sale of Increment I single-family lots on which payments to be received from KD I is based		$ 100,000,000
KD Kaupulehu LLLP Increment I | Kaupulehu Developments | Minimum | Aggregate gross proceeds in excess of $300,000,000
Summary of investments
Gross proceeds from sale of Increment I single-family lots on which payments to be received from KD I is based		300,000,000
KD Kaupulehu LLLP Increment I | Kaupulehu Developments | Maximum | Aggregate gross proceeds up to $100,000,000
Summary of investments
Gross proceeds from sale of Increment I single-family lots on which payments to be received from KD I is based		100,000,000
KD Kaupulehu LLLP Increment I | Kaupulehu Developments | Maximum | Aggregate gross proceeds greater than $100,000,000 up to $300,000,000
Summary of investments
Gross proceeds from sale of Increment I single-family lots on which payments to be received from KD I is based		300,000,000
KD Kaupulehu LLLP Increment II | Kaupulehu Developments
Summary of investments
Contingent Payments, Unrecorded		$ 8,000,000
Number of lots developed | lot		2
KD Kaupulehu LLLP Increment II | Kaupulehu Developments | Minimum
Summary of investments
Payments Entitled to be Received as Percentage of Gross Proceeds from Sale of Single Family Lots		8.00%
Payments Entitled to be Received as Percentage of Gross Proceeds from Sale of Units on a Lot		2.60%
Summarized financial information
Increment II Lot size | a		2
KD Kaupulehu LLLP Increment II | Kaupulehu Developments | Maximum
Summary of investments
Payments Entitled to be Received as Percentage of Gross Proceeds from Sale of Single Family Lots		10.00%
Payments Entitled to be Received as Percentage of Gross Proceeds from Sale of Units on a Lot		3.25%
Summarized financial information
Increment II Lot size | a		3
Investment in land development partnerships
Summary of investments
Total investments		$ 3,502,000	6,238,000
Number of limited liability limited partnerships formed | partnership	2
Cash Distribution from Equity Method Investment		5,320,000
Minority interests portion of distribution from equity investee		40,000
Equity in income of affiliates		2,624,000	1,580,000
Basis difference between the underlying equity in net assets of the investee and the carrying value of the entity's investment		351,000
Basis difference adjustment		39,000	82,000
Bonds issued by the surety		325,000
Maximum loss exposure		3,827,000
Summarized financial information
Revenue		33,874,000	29,898,000
Gross profit		15,332,000	13,594,000
Net earnings		$ 12,212,000	7,500,000
Investment in land development partnerships | KD Kukio Resorts, LLLP, KD Maniniowali, LLLP, and KD Kaupulehu, LLLP
Summary of investments
Ownership interest acquired, aggregate cost	$ 5,140,000
Investment in land development partnerships | KD Kukio Resorts, LLLP
Summary of investments
Ownership interest acquired	19.60%
Investment in land development partnerships | KD Maniniowali, LLLP
Summary of investments
Ownership interest acquired	19.60%
Investment in land development partnerships | KD Kaupulehu, LLLP
Summary of investments
Ownership interest acquired	19.60%
Investment in land | KD Kaupulehu LLLP Increment I
Summary of investments
Number of residential parcels held by equity method investment | lot		25
Investment in land | KD Kaupulehu LLLP Increment II
Summary of investments
Number of residential parcels held by equity method investment | lot		1
Investment in leasehold land interest - Lot 4C
Summary of investments
Total investments		$ 50,000	$ 50,000
Area of land (in acres) | a		1,000