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RENTAL PROPERTIES (Details) |  |  |  |  | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 18, 2023 USD ($) | Oct. 14, 2022 USD ($) | Jun. 16, 2022 USD ($) property | Nov. 30, 2021 USD ($) property | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) property | Mar. 31, 2023 USD ($) | Mar. 31, 2023 property | Mar. 31, 2023 item | Mar. 31, 2023 ft² | Dec. 31, 2022 USD ($) | Dec. 12, 2022 ft²
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of commercial shopping centers | item |  |  |  |  |  |  |  |  | 2 |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | $ 411,850,917 |  |  |  | $ 400,703,910 |
Less: Accumulated depreciation |  |  |  |  |  |  | (163,321,577) |  |  |  | (159,627,479) |
Total fixed assets, net |  |  |  |  |  |  | 248,529,340 |  |  |  | 241,076,431 |
Payment of debt |  |  |  |  | $ 611,861 | $ 600,190 |  |  |  |  |  |
Line of credit |  |  |  |  |  |  | 0 |  |  |  | 0 |
Master Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  | 4 | 11 |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  | 4.33% | 2.97% |  |  |  |  |  |  |  |
Payment of debt |  |  | $ 370,650,000 | $ 65,305,000 |  |  |  |  |  |  |  |
Mortgage prepayment penalties |  |  | 834,000 | 2,700,000 |  |  |  |  |  |  |  |
Proceeds of mortgage notes payable |  |  | $ 42,404,000 | $ 89,000,000 |  |  |  |  |  |  |  |
Master Credit Facility [Member] | Modification agreement with Brookline Bank. |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  | 4.60% |  |  |  |  |  |  |  |  |  |
Existing loan amount |  | $ 5,954,546.14 |  |  |  |  |  |  |  |  |  |
Interest only term |  | 2 years |  |  |  |  |  |  |  |  |  |
Term of debt |  | 30 years |  |  |  |  |  |  |  |  |  |
Additional earnout |  | $ 1,495,453.86 |  |  |  |  |  |  |  |  |  |
Debt service coverage ratio |  | 1.35 |  |  |  |  |  |  |  |  |  |
Threshold percentage of Loan to Value |  | 65.00% |  |  |  |  |  |  |  |  |  |
Master Credit Facility [Member] | Modification agreement with Brookline Bank. | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Variable interest rate spread |  | 1.70% |  |  |  |  |  |  |  |  |  |
Land, improvements and parking lots |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 90,839,091 |  |  |  | 87,405,897 |
Land, improvements and parking lots | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 15 years |  |  |  |  |  |  |
Land, improvements and parking lots | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 40 years |  |  |  |  |  |  |
Buildings and improvements |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 261,724,341 |  |  |  | 256,035,191 |
Buildings and improvements | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 15 years |  |  |  |  |  |  |
Buildings and improvements | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 40 years |  |  |  |  |  |  |
Kitchen cabinets |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 14,744,566 |  |  |  | 14,347,212 |
Kitchen cabinets | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 5 years |  |  |  |  |  |  |
Kitchen cabinets | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 10 years |  |  |  |  |  |  |
Carpets |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 12,609,952 |  |  |  | 12,047,573 |
Carpets | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 5 years |  |  |  |  |  |  |
Carpets | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 10 years |  |  |  |  |  |  |
Air conditioning |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 501,697 |  |  |  | 501,697 |
Air conditioning | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 5 years |  |  |  |  |  |  |
Air conditioning | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 10 years |  |  |  |  |  |  |
Laundry equipment |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 553,140 |  |  |  | 553,140 |
Laundry equipment | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 5 years |  |  |  |  |  |  |
Laundry equipment | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 7 years |  |  |  |  |  |  |
Elevators |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 1,885,265 |  |  |  | 1,885,265 |
Elevators | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 20 years |  |  |  |  |  |  |
Elevators | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 40 years |  |  |  |  |  |  |
Swimming pools |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 1,090,604 |  |  |  | 1,090,604 |
Swimming pools | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 10 years |  |  |  |  |  |  |
Swimming pools | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 30 years |  |  |  |  |  |  |
Equipment |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 19,215,896 |  |  |  | 18,716,758 |
Equipment | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 5 years |  |  |  |  |  |  |
Equipment | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 30 years |  |  |  |  |  |  |
Motor vehicles |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 232,954 |  |  |  | 171,519 |
Motor vehicles | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 5 years |  |  |  |  |  |  |
Fences |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | 46,872 |  |  |  | 46,872 |
Fences | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 5 years |  |  |  |  |  |  |
Fences | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 15 years |  |  |  |  |  |  |
Furniture and fixtures |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Total fixed assets |  |  |  |  |  |  | $ 8,406,539 |  |  |  | $ 7,902,182 |
Furniture and fixtures | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 5 years |  |  |  |  |  |  |
Furniture and fixtures | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Useful Life |  |  |  |  | 7 years |  |  |  |  |  |  |
Wholly owned properties |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  | 30 |  |  |  |
Investment Properties |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of units | property |  |  |  |  |  | 690 |  | 690 |  |  |  |
NERA 40% |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  | 40.00% | 40.00% |  |  |  |  |  |
NERA 50% |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  | 50.00% | 50.00% |  |  |  |  |  |
Residential and mixed-use properties | Wholly owned properties |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of units | item |  |  |  |  |  |  |  |  | 2,892 |  |  |
Number of properties | property |  |  |  |  |  |  |  | 25 |  |  |  |
Residential and mixed-use properties | Partially owned properties |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of units |  |  |  |  |  |  |  | 688 | 688 |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Area of property (in square feet) | ft² |  |  |  |  |  |  |  |  |  | 12,500 |  |
Residential and mixed-use properties | Investment Properties | Partially owned properties |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | item |  |  |  |  |  |  |  |  | 7 |  |  |
Residential and mixed-use properties | Limited Partnerships | Partially owned properties |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | item |  |  |  |  |  |  |  |  | 7 |  |  |
Residential and mixed-use properties | NERA 40% | Partially owned properties | Minimum |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  | 40.00% |  |  |  |  |  |  |
Residential and mixed-use properties | NERA 50% | Partially owned properties | Maximum |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Ownership interest (as a percent) |  |  |  |  | 50.00% |  |  |  |  |  |  |
Condominium | Wholly owned properties |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of units | item |  |  |  |  |  |  |  |  | 19 |  |  |
Number of properties | property |  |  |  |  |  |  |  | 1 |  |  |  |
Commercial | Property located at 659 Worcester Road, Framingham, MA. |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Purchase price | $ 10,151,000 |  |  |  |  |  |  |  |  |  |  |
Closing costs | $ 59,000 |  |  |  |  |  |  |  |  |  |  |
Amortization period | 12 months |  |  |  |  |  |  |  |  |  |  |
Commercial | Property located at 659 Worcester Road, Framingham, MA. | Leases, Acquired-in-Place [Member] |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Purchase price | $ 585,000 |  |  |  |  |  |  |  |  |  |  |
Commercial | Property located at 659 Worcester Road, Framingham, MA. | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Purchase price | $ 378,000 |  |  |  |  |  |  |  |  |  |  |
Commercial | Purchase and sale agreement | Property located at 659 Worcester Road, Framingham, MA. |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Area of property (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  | 20,700
Commercial | Minimum | Property located at 659 Worcester Road, Framingham, MA. | Leases, Acquired-in-Place [Member] |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Amortization period | 20 months |  |  |  |  |  |  |  |  |  |  |
Commercial | Maximum | Property located at 659 Worcester Road, Framingham, MA. | Customer Relationships [Member] |  |  |  |  |  |  |  |  |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Amortization period | 156 months |  |  |  |  |  |  |  |  |  |  |
Commercial | Wholly owned properties |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of properties | property |  |  |  |  |  |  |  | 5 |  |  |  |
Rental properties |  |  |  |  |  |  |  |  |  |  |  |
Area of property (in square feet) | ft² |  |  |  |  |  |  |  |  |  | 128,096 |  |
Commercial | Investment Properties |  |  |  |  |  |  |  |  |  |  |  |
RENTAL PROPERTIES |  |  |  |  |  |  |  |  |  |  |  |
Number of units | property |  |  |  |  |  | 3 |  | 3 |  |  |  |

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