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MORTGAGE NOTES PAYABLE (Facility Agreement Properties) (Details) - Facility Agreement - USD ($) | Nov. 30, 2021 | Nov. 29, 2021
--- | --- | ---
Debt Instrument [Line Items] |  |
Mortgage amount | $ 156,000,000 | $ 65,305,000
Deferred Finance Costs | 1,676,088 |
Mortgage prepayment penalties | 2,700,000 |
Clovelly Apartments L.P. Residential Apartments Nashua, New Hampshire |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 11,214,000 | 4,160,000
Deferred Finance Costs | 121,817 |
Mortgage prepayment penalties | 167,141 |
Commonwealth 1137 L.P. Residential Apartments Boston, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 5,440,000 | 3,750,000
Deferred Finance Costs | 60,504 |
Mortgage prepayment penalties | 151,314 |
Commonwealth 1144 L.P. Residential Apartments Boston, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 32,325,000 | 14,780,000
Deferred Finance Costs | 340,007 |
Mortgage prepayment penalties | 592,728 |
Executive Apartments L.P. Residential Apartments Framingham, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 8,190,000 | 2,415,000
Deferred Finance Costs | 89,333 |
Mortgage prepayment penalties | 96,434 |
North Beacon 140 L.P. Residential Units Boston, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 12,683,000 | 6,937,000
Deferred Finance Costs | 135,813 |
Mortgage prepayment penalties | 277,003 |
Olde English Apartments L.P. Residential Apartments Lowell, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 9,608,000 | 3,080,000
Deferred Finance Costs | 104,345 |
Mortgage prepayment penalties | 123,956 |
Redwood Hills L.P. Residential Units Worcester, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 17,105,000 | 6,743,000
Deferred Finance Costs | 188,406 |
Mortgage prepayment penalties | 271,204 |
River Drive L.P. Residential Apartments Danvers, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 9,543,000 | 3,465,000
Deferred Finance Costs | 104,605 |
Mortgage prepayment penalties | 139,218 |
Highland Street Apartments, L.P. Residential Apartments Lowell, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 3,960,000 | 1,050,000
Deferred Finance Costs | 45,076 |
Mortgage prepayment penalties | 41,928 |
WCB Associates LLC Residential Apartments Brockton, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 19,266,000 | 7,000,000
Deferred Finance Costs | 204,586 |
Mortgage prepayment penalties | 408,873 |
Hamilton Oaks Associates LLC Residential Apartments Brockton, Massachusetts |  |
Debt Instrument [Line Items] |  |
Mortgage amount | 26,666,000 | $ 11,925,000
Deferred Finance Costs | 281,596 |
Mortgage prepayment penalties | $ 476,180 |

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