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INVESTMENTS (Details) (USD $) | 12 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011
Summary of investments |  |
Total investments | $ 2,381,000 | $ 4,623,000
Reduction of carrying value of assets | 6,647,000 | 1,228,000
Revenues from sale of development rights, net |  | 2,497,000
Revenues sale of interest in leasehold land, net | 482,000 | 1,245,000
Investment in two residential parcels |  |
Summary of investments |  |
Total investments | 2,331,000 | 2,331,000
Number of residential parcels held for investment | 2 |
Reduction of carrying value of assets |  | 689,000
Investment in joint ventures |  |
Summary of investments |  |
Total investments |  | 1,754,000
Reduction of carrying value of assets | 1,754,000 |
Investment in Kona Village Investors, LLC |  |
Summary of investments |  |
Total investments | 0 |
Reduction of carrying value of assets |  | 121,000
Investment in leasehold land zoned conservation - Lot 4C |  |
Summary of investments |  |
Total investments | 50,000 | 50,000
Area of land (in acres) | 1,000 |
Investment in lot acquisition rights - Mauka Lands |  |
Summary of investments |  |
Total investments |  | 488,000
Reduction of carrying value of assets | 488,000 |
Number of lot acquisition rights owned | 14 |
Investment in lot acquisition rights - Mauka Lands | Minimum |  |
Summary of investments |  |
Area of land (in acres) | 2 |
Investment in lot acquisition rights - Mauka Lands | Maximum |  |
Summary of investments |  |
Area of land (in acres) | 5 |
Kaupulehu Developments |  |
Summary of investments |  |
Sale of development rights under option: Proceeds |  | 2,656,000
Sale of development rights under option: Fees |  | (159,000)
Revenues from sale of development rights, net |  | 2,497,000
Area of land (in acres) | 870 |
Number of development increments | 2 |
Number of single-family lots planned in Increment I | 80 |
Sale of interest in leasehold land: Proceeds | 512,000 | 1,325,000
Sale of interest in leasehold land: Fees | (30,000) | (80,000)
Revenues sale of interest in leasehold land, net | 482,000 | 1,245,000
Number of single-family lots sold in Increment I | 31 |
Kaupulehu Developments | Aggregate gross proceeds up to $100,000,000 |  |
Summary of investments |  |
Payments entitled to be received from WB as percentage of gross receipts from WB's sales of single-family residential lots in Increment I | 9.00% |
Kaupulehu Developments | Aggregate gross proceeds greater than $100,000,000 up to $300,000,000 |  |
Summary of investments |  |
Payments entitled to be received from WB as percentage of gross receipts from WB's sales of single-family residential lots in Increment I | 10.00% |
Kaupulehu Developments | Aggregate gross proceeds in excess of $300,000,000 |  |
Summary of investments |  |
Payments entitled to be received from WB as percentage of gross receipts from WB's sales of single-family residential lots in Increment I | 14.00% |
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 WB is based | 100,000,000 |
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 WB is based | 300,000,000 |
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 WB is based | 100,000,000 |
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 WB is based | $ 300,000,000 |

X
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