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INVESTMENT IN UNCONSOLIDATED ENTITIES - Narrative (Details) | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |
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Oct. 31, 2023 USD ($) ft² | Feb. 28, 2023 USD ($) ft² unit investor | Feb. 28, 2022 USD ($) | Sep. 30, 2025 USD ($) ft² unit | Sep. 30, 2024 USD ($) unit | Sep. 30, 2025 USD ($) ft² unit | Sep. 30, 2024 USD ($) unit | Dec. 31, 2024 USD ($) | Oct. 31, 2024 | Sep. 30, 2022 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  | $ 533,855,000 |  | $ 533,855,000 |  |  |  |
Work in progress |  |  |  | 23,198,000 |  | 23,198,000 |  | $ 36,929,000 |  |
Loss from unconsolidated entities |  |  |  | $ 697,000 | $ 1,239,000 | $ 2,285,000 | $ 442,000 |  |  |
1910 Sunset Boulevard |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership Interest |  |  |  | 44.20% |  | 44.20% |  |  |  |
1910 Sunset Boulevard | Multifamily |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Number of real estate property units | unit |  |  |  | 36 |  | 36 |  |  |  |
1910 Sunset Boulevard | Office Building |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Square feet | ft² |  |  |  | 105,064 |  | 105,064 |  |  |  |
4750 Wilshire Boulevard |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of interest acquired |  | 20.00% |  |  |  |  |  |  |  |
Ownership Interest |  |  |  | 20.00% |  | 20.00% |  |  |  |
4750 Wilshire Boulevard | Three Co-Investors |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price |  | $ 34,400,000 |  |  |  |  |  |  |  |
Number of co-investors | investor |  | 3 |  |  |  |  |  |  |  |
Percentage of interest acquired |  | 80.00% |  |  |  |  |  |  |  |
4750 Wilshire Boulevard | Multifamily |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Number of real estate property units | unit |  | 68 |  |  | 68 |  | 68 |  |  |
4750 Wilshire Boulevard | Office Building |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Square feet | ft² |  | 30,335 |  | 30,335 |  | 30,335 |  |  |  |
1902 Park Avenue |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership Interest |  |  |  | 25.50% |  | 25.50% |  |  |  |
1902 Park Avenue | Multifamily |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Number of real estate property units | unit |  |  |  | 75 |  | 75 |  |  |  |
1015 N Mansfield Avenue |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Ownership Interest |  |  |  | 28.80% |  | 28.80% |  |  |  |
1015 N Mansfield Avenue | Office Building |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Square feet | ft² |  |  |  | 44,141 |  | 44,141 |  |  |  |
Mortgages Payable: |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Outstanding balance |  |  |  | $ 475,784,000 |  | $ 475,784,000 |  | $ 440,446,000 |  |
Corporate Joint Venture | 1915 Park Project |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Work in progress |  |  |  | 12,500,000 |  | 12,500,000 |  |  |  |
Corporate Joint Venture | 4750 Wilshire Boulevard |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Project cost |  |  |  | 28,600,000 |  | 28,600,000 |  |  |  |
Corporate Joint Venture | 1902 Park Avenue |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price |  | $ 19,100,000 |  |  |  |  |  |  |  |
Ownership Interest |  | 50.00% |  |  |  |  |  |  | 25.50% |
Corporate Joint Venture | 1015 N Mansfield Avenue |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price | $ 18,000,000 |  |  |  |  |  |  |  |  |
Ownership Interest | 28.80% |  |  |  |  |  |  |  |  |
Percentage of ownership acquired | 100.00% |  |  |  |  |  |  |  |  |
Loss from unconsolidated entities |  |  |  | 697,000 | $ 1,200,000 | 2,300,000 | $ 442,000 |  |  |
Corporate Joint Venture | 1015 N Mansfield Avenue | Office Building |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Area of land (square feet) | ft² | 44,141 |  |  |  |  |  |  |  |  |
Corporate Joint Venture | Mortgages Payable: | 1915 Park Project |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  | 9,400,000 |  | 9,400,000 |  |  |  |
Outstanding balance |  |  |  | 6,400,000 |  | 6,400,000 |  |  |  |
Corporate Joint Venture | Mortgages Payable: | 4750 Wilshire Boulevard |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  | 38,500,000 |  | 38,500,000 |  |  |  |
Outstanding balance |  |  |  | $ 37,800,000 |  | $ 37,800,000 |  |  |  |
Corporate Joint Venture | Mortgages Payable: | 1902 Park JV |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  | $ 9,600,000 |  |  |  |  |  |  |  |
Property In Los Angeles, California |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price |  |  | $ 22,400,000 |  |  |  |  |  |  |
Property In Los Angeles, California | Corporate Joint Venture |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price |  |  | $ 51,000,000.0 |  |  |  |  |  |  |
Property In Los Angeles, California | Corporate Joint Venture | Mortgages Payable: |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  |  |  |  |  |  | $ 23,900,000

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