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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Hamilton 1025) (Details) | Jul. 08, 2016 USD ($) | Mar. 02, 2005 USD ($) item | Jul. 14, 2023 property | Jun. 30, 2023 USD ($) property | Dec. 31, 2022 USD ($) | Jun. 30, 2022 property | Mar. 05, 2005 USD ($)
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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES |  |  |  |  |  |  |
Investments in joint venture |  |  |  | $ 1,435,154 | $ 1,437,387 |  |
Outstanding amount of mortgage |  |  |  | $ 409,834,512 | $ 410,966,199 |  |
Hamilton 1025 |  |  |  |  |  |  |
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES |  |  |  |  |  |  |
Number of units |  | 176 |  | 176 |  | 176 |
Number of units sold | item |  | 127 |  |  |  |  |
Number of units retained for long-term investment |  | 49 |  | (1) |  | (1) |
Capital contributions | $ 2,359,500 |  |  |  |  |  |
Hamilton 1025 | Mortgages payable |  |  |  |  |  |  |
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES |  |  |  |  |  |  |
Term of debt |  | 10 years |  |  |  |  |
Interest rate (as a percent) |  | 5.67% |  |  |  |  |
Period for which the entity is required to make interest only payments |  | 5 years |  |  |  |  |
Amortization period of debt |  | 30 years |  |  |  |  |
Borrowings |  | $ 5,000,000 |  |  |  |  |
Hamilton 1025 |  |  |  |  |  |  |
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES |  |  |  |  |  |  |
Investments in joint venture |  | $ 2,352,000 |  |  |  |  |
Ownership interest (as a percent) |  | 50.00% |  |  |  |  |
Purchase price of investments |  |  |  |  |  |  | $ 23,750,000
Residential buildings | Subsequent event |  |  |  |  |  |  |
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES |  |  |  |  |  |  |
Number of units | property |  |  | 52 |  |  |  |
Residential buildings | Hamilton 1025 |  |  |  |  |  |  |
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES |  |  |  |  |  |  |
Number of units | property |  |  |  | 175 |  | 175 |

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