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INVESTMENTS IN REAL ESTATE - Acquisitions (Details) $ in Thousands | 12 Months Ended |
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Dec. 31, 2022 USD ($) ft² | Dec. 31, 2021 USD ($) ft² | Dec. 31, 2022 USD ($) | Dec. 31, 2022 commercial_unit | Dec. 31, 2022 parking_stall | Dec. 31, 2022 residential_unit
3109 S Western Avenue, Los Angeles, CA |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Square Feet | ft² | 5,900 |  |  |  |  |
Purchase price | $ 700 |  |  |  |  |
Transaction costs in acquisition of real estate | $ 11 |  |  |  |  |
Number of units (in apartments) |  |  |  | 7 | 6 |
Area of land | ft² | 5,635 |  |  |  |  |
1007 E 7th Street, Austin, TX |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Square Feet | ft² | 1,352 |  |  |  |  |
Purchase price | $ 1,900 |  |  |  |  |
Transaction costs in acquisition of real estate | $ 52 |  |  |  |  |
Area of land | ft² | 7,450 |  |  |  |  |
3022 S Western Avenue, Los Angeles, CA |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Square Feet | ft² | 6,000 |  |  |  |  |
Purchase price | $ 5,650 |  |  |  |  |
Transaction costs in acquisition of real estate | $ 192 |  |  |  |  |
Number of units (in apartments) | residential_unit |  |  |  |  |  | 119
Area of land | ft² | 28,300 |  |  |  |  |
3101 S Western Avenue, Los Angeles, CA |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Square Feet | ft² | 3,752 |  |  |  |  |
Purchase price | $ 2,260 |  |  |  |  |
Transaction costs in acquisition of real estate | $ 22 |  |  |  |  |
Number of units (in apartments) | residential_unit |  |  |  |  |  | 40
Area of land | ft² | 11,300 |  |  |  |  |
1037 North Sycamore, Los Angeles, CA |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |
Square Feet | ft² |  | 4,900 |  |  |  |
Purchase price |  | $ 2,900 |  |  |  |
Transaction costs, capitalized |  |  | $ 33 |  |  |

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