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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Mortgage Maturities) (Details) - USD ($)	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025	May 31, 2018	Sep. 12, 2016
Annual maturities of mortgage debt
2027	$ 6,605,000
2027	40,652,000
2028	58,337,000
2029	21,582,000
2030	862,000
Thereafter	401,363,000
Total	529,401,000
Less: unamortized deferred financing costs	(3,156,000)
Mortgage Notes Payable	$ 526,244,604	$ 527,596,823
Weighted average interest rate (as a percent)	4.30%
Effective interest rate (as a percent)	4.40%
Investment Properties
Annual maturities of mortgage debt
2027	$ 264,211
2027	125,274,619
2028	7,326,403
Thereafter	41,803,000
Total	174,668,233
Less: unamortized deferred financing costs	(535,434)
Mortgage Notes Payable	174,132,799		$ 172,223,009
Hamilton Essex 81
Annual maturities of mortgage debt
Thereafter	12,214,000
Total	12,214,000
Less: unamortized deferred financing costs	(157,220)
Mortgage Notes Payable	12,056,780		9,996,553
345 Franklin
Annual maturities of mortgage debt
2027	264,211
2027	274,619
2028	7,326,403
Total	7,865,233
Less: unamortized deferred financing costs	(13,317)
Mortgage Notes Payable	7,851,916		8,099,455
Hamilton Minuteman Apts
Annual maturities of mortgage debt
Thereafter	6,000,000
Total	6,000,000
Less: unamortized deferred financing costs	(42,623)				$ (123,000)
Mortgage Notes Payable	5,957,377		5,949,194
Hamilton on Main Apts
Annual maturities of mortgage debt
Thereafter	23,589,000
Total	23,589,000
Less: unamortized deferred financing costs	(198,413)
Mortgage Notes Payable	23,390,587		23,366,292
Dexter Park
Annual maturities of mortgage debt
2027	125,000,000
Total	125,000,000
Less: unamortized deferred financing costs	(123,861)
Mortgage Notes Payable	$ 124,876,139		$ 124,811,515	$ 82,000,000