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SIGNIFICANT ACCOUNTING POLICIES (Business) (Details) | Sep. 30, 2018 ft² property item | Sep. 30, 2017 item
--- | --- | ---
Line of Business |  |
Number of units |  | 1,033
Residential and mixed-use properties |  |
Line of Business |  |
Number of Real Estate Properties | 23 |
Number of units | 2,711 |
Residential buildings |  |
Line of Business |  |
Number of units |  | 1,030
Commercial |  |
Line of Business |  |
Number of units |  | 3
Condominium |  |
Line of Business |  |
Number of units | 19 |
Wholly owned properties |  |
Line of Business |  |
Number of Real Estate Properties | 27 |
Wholly owned properties | Residential buildings |  |
Line of Business |  |
Number of Real Estate Properties | 19 |
Number of units | 2,711 |
Wholly owned properties | Mixed use residential, retail and office buildings |  |
Line of Business |  |
Number of Real Estate Properties | 4 |
Wholly owned properties | Commercial |  |
Line of Business |  |
Number of Real Estate Properties | 3 |
Area of property (in square feet) | ft² | 108,043 |
Wholly owned properties | Condominium |  |
Line of Business |  |
Number of Real Estate Properties | 1 |
Number of units | 19 |
Partially owned properties | Residential and mixed-use properties |  |
Line of Business |  |
Number of Real Estate Properties | 8 |
Number of units | 695 |
Area of property (in square feet) | ft² | 12,500 |
Partially owned properties | Residential and mixed-use properties | Minimum |  |
Line of Business |  |
Ownership interest (as a percent) | 40.00% |
Partially owned properties | Residential and mixed-use properties | Maximum |  |
Line of Business |  |
Ownership interest (as a percent) | 50.00% |
Partially owned properties | Car parking lot |  |
Line of Business |  |
Capacity of real estate property (in cars per lot) | 50 |
Investment Properties |  |
Line of Business |  |
Number of units | property | 913 |
Investment Properties | Residential buildings |  |
Line of Business |  |
Number of units | property | 910 |
Investment Properties | Commercial |  |
Line of Business |  |
Number of units | property | 3 |
Investment Properties | Partially owned properties | Residential and mixed-use properties |  |
Line of Business |  |
Number of units | property | 695 |

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- Definition Area of a real estate property. + References No definition available. + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
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