RENTAL PROPERTIES - Debt (Details)				12 Months Ended
	Oct. 14, 2022 USD ($)	Jun. 16, 2022 USD ($) property	Nov. 30, 2021 USD ($) property	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Jun. 15, 2022 USD ($)
Debt Instrument
Mortgage amount		$ 80,284,000					$ 37,065,000
Payment of debt				$ 2,834,166	$ 2,685,691	$ 2,283,733
Mortgage prepayment penalties		834,544
Line of credit				0	$ 0
Proceeds of mortgage notes payable						$ 41,889,433
Extending the maturity until October 14, 2032
Debt Instrument
Existing loan amount				$ 5,935,643
Extending the maturity until October 14, 2032 | Modification agreement with Brookline Bank.
Debt Instrument
Interest rate (as a percent)	4.60%
Variable interest rate spread	1.70%
Investment, Variable Interest Rate, Type [Extensible Enumeration]	us-gaap:SecuredOvernightFinancingRateSofrMember
Interest only term	2 years
Term of debt	30 years
Additional earnout	$ 1,495,454
Debt service coverage ratio	1.35
Threshold percentage of Loan to Value	65.00%
Facility Agreement
Debt Instrument
Mortgage amount		$ 80,284,000	$ 156,000,000
Interest rate (as a percent)		4.33%	2.97%
Payment of debt		$ 37,065,000	$ 65,305,000
Number of properties in which borrowing amount collateralized | property		4	11
Mortgage prepayment penalties		$ 834,000	$ 2,700,000
Line of credit			$ 89,000,000
Proceeds of mortgage notes payable		$ 42,404,000
Facility Agreement | Modification agreement with Brookline Bank.
Debt Instrument
Interest rate (as a percent)	4.60%
Variable interest rate spread	1.70%
Investment, Variable Interest Rate, Type [Extensible Enumeration]	us-gaap:SecuredOvernightFinancingRateSofrMember
Existing loan amount	$ 5,935,643
Interest only term	2 years
Term of debt	30 years
Additional earnout	$ 149,545
Debt service coverage ratio	1.35
Threshold percentage of Loan to Value	65.00%