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INVESTMENT IN UNCONSOLIDATED ENTITIES - Narrative (Details) | 1 Months Ended | 12 Months Ended |  |
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Oct. 31, 2024 USD ($) | Oct. 31, 2023 USD ($) ft² | Feb. 28, 2023 USD ($) ft² investor unit | Feb. 28, 2022 USD ($) | Dec. 31, 2024 USD ($) ft² unit | Dec. 31, 2023 USD ($) | Sep. 30, 2024 unit | Sep. 30, 2022 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Outstanding balance |  |  |  |  | $ 511,734,000 |  |  |
Work in progress |  |  |  |  | 36,929,000 | $ 15,915,000 |  |
Income (loss) from unconsolidated entities |  |  |  |  | (806,000) | (427,000) |  |
Investments in unconsolidated entities |  |  |  |  | 33,677,000 | 33,505,000 |  |
Distribution |  |  |  |  | 1,285,000 | 0 |  |
1910 Sunset Boulevard |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Investments in unconsolidated entities |  |  |  |  | $ 12,898,000 | 12,040,000 |  |
Ownership Interest |  |  |  |  | 44.20% |  |  |
4750 Wilshire Boulevard |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Investments in unconsolidated entities |  |  |  |  | $ 8,622,000 | 9,119,000 |  |
Interests acquired |  |  | 20.00% |  |  |  |  |
Ownership Interest |  |  |  |  | 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 |  |  |  |  |
Interests acquired |  |  | 80.00% |  |  |  |  |
1902 Park Avenue |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Investments in unconsolidated entities |  |  |  |  | $ 5,730,000 | 7,082,000 |  |
Ownership Interest |  |  |  |  | 25.50% |  |  |
1015 N Mansfield Avenue |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Investments in unconsolidated entities |  |  |  |  | $ 6,427,000 | 5,264,000 |  |
Ownership Interest |  |  |  |  | 28.80% |  |  |
Multifamily | 1910 Sunset Boulevard |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Number of real estate property units | unit |  |  |  |  | 36 |  |  |
Multifamily | 4750 Wilshire Boulevard |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Number of real estate property units | unit |  |  | 68 |  |  |  | 68 |
Multifamily | 1902 Park Avenue |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Number of real estate property units | unit |  |  |  |  | 75 |  |  |
Office Building | 1910 Sunset Boulevard |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Square Feet | ft² |  |  |  |  | 104,764 |  |  |
Office Building | 4750 Wilshire Boulevard |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Square Feet | ft² |  |  | 30,335 |  | 30,335 |  |  |
Office Building | 1015 N Mansfield Avenue |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Square Feet | ft² |  |  |  |  | 44,141 |  |  |
Mortgages Payable |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Outstanding balance |  |  |  |  | $ 440,446,000 | 250,700,000 |  |
Corporate Joint Venture | 1910 Sunset Boulevard |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Income (loss) from unconsolidated entities |  |  |  |  | (825,000) | (2,400,000) |  |
Investments in unconsolidated entities |  |  |  |  | 12,900,000 |  |  |
Corporate Joint Venture | 1915 Park Project |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Work in progress |  |  |  |  | 7,600,000 |  |  |
Corporate Joint Venture | 4750 Wilshire Boulevard |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Income (loss) from unconsolidated entities |  |  |  |  | (597,000) | 1,800,000 |  |
Investments in unconsolidated entities |  |  |  |  | 8,600,000 |  |  |
Project cost |  |  |  |  | 28,900,000 |  |  |
Corporate Joint Venture | 1902 Park Avenue |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Purchase price |  |  | $ 19,100,000 |  |  |  |  |
Income (loss) from unconsolidated entities |  |  |  |  | (548,000) | 156,000 |  |
Investments in unconsolidated entities |  |  |  |  | 5,700,000 |  |  |
Ownership Interest | 25.50% |  | 50.00% |  |  |  |  |
Corporate Joint Venture | 1902 Park JV |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Distribution | $ 1,000,000 |  |  |  |  |  |  |
Corporate Joint Venture | 1015 N Mansfield Avenue |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Purchase price |  | $ 18,000,000 |  |  |  |  |  |
Income (loss) from unconsolidated entities |  |  |  |  | 1,200,000 | $ 13,000 |  |
Investments in unconsolidated entities |  |  |  |  | 6,400,000 |  |  |
Ownership Interest |  | 28.80% |  |  |  |  |  |
Percentage of ownership acquired |  | 100.00% |  |  |  |  |  |
Corporate Joint Venture | Office Building | 1015 N Mansfield Avenue |  |  |  |  |  |  |  |
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 |  |  |
Outstanding balance |  |  |  |  | 658,000 |  |  |
Corporate Joint Venture | Mortgages Payable | 4750 Wilshire Boulevard |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  | 38,500,000 |  |  |
Outstanding balance |  |  |  |  | $ 36,900,000 |  |  |
Corporate Joint Venture | Mortgages Payable | 1902 Park JV |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Aggregate principal amount |  |  | $ 9,600,000 |  |  |  |  |
Office Property, Los Angeles, California |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Purchase price |  |  |  | $ 22,400,000 |  |  |  |
Office Property, Los Angeles, California | Corporate Joint Venture |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |
Purchase price |  |  |  | $ 51,000,000 |  |  |  |
Office Property, 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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