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SIGNIFICANT ACCOUNTING POLICIES - Business (Details) | Dec. 31, 2024 ft² item property | Dec. 31, 2023 | Dec. 31, 2022
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Commercial |  |  |
Line of Business |  |  |
Number of properties | 2 |  |
Partnership properties |  |  |
Line of Business |  |  |
Number of properties | 31 |  |
Partnership properties | Residential and mixed-use properties |  |  |
Line of Business |  |  |
Number of properties | 27 |  |
Number of units | item | 2,943 |  |
Partnership properties | Apartments |  |  |
Line of Business |  |  |
Number of properties | 22 |  |
Partnership properties | Mixed use residential, retail and office buildings |  |  |
Line of Business |  |  |
Number of properties | 5 |  |
Partnership properties | Commercial |  |  |
Line of Business |  |  |
Number of properties | 4 |  |
Area of property (in square feet) | ft² | 131,000 |  |
Partnership properties | Condominium |  |  |
Line of Business |  |  |
Number of properties | 1 |  |
Number of units | item | 19 |  |
Investment properties | Residential and mixed-use properties |  |  |
Line of Business |  |  |
Number of units | item | 688 |  |
Area of property (in square feet) | ft² | 12,500 |  |
Investment properties | Car parking lot |  |  |
Line of Business |  |  |
Capacity of real estate property (in cars per lot) | item | 50 |  |
Limited Partnerships | Investment properties | Residential and mixed-use properties |  |  |
Line of Business |  |  |
Number of properties | item | 7 |  |
NERA 40% |  |  |
Line of Business |  |  |
Ownership interest (as a percent) | 40.00% | 40.00% | 40.00%
NERA 50% |  |  |
Line of Business |  |  |
Ownership interest (as a percent) | 50.00% | 50.00% | 50.00%

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- Definition Represents the capacity of real estate property. + References No definition available. + Details
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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://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
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