MORTGAGE NOTES PAYABLE (Mortgages Payable) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
MORTGAGE NOTES PAYABLE
Effective interest rate (as a percent)	4.29%
Financing fees, net	$ 52,000	$ 109,000
Annual maturities of mortgage debt
2024-current maturities	2,853,000
2025	3,602,000
2026	25,112,000
2027	23,271,000
2028	31,875,000
Thereafter	324,726,000
Total	411,439,000
Less: unamortized deferred financing costs	2,779,000
Outstanding amount of mortgage	408,660,292	410,966,199
Mortgages payable
MORTGAGE NOTES PAYABLE
Amount of monthly installments including principal	$ 1,523,000
Weighted average interest rate (as a percent)	3.68%
Effective interest rate (as a percent)	3.78%
Financing fees, net	$ 2,779,000	3,159,000
Accumulated amortization on financing and leasing fees	$ 1,353,000	$ 973,000
Mortgages payable | Minimum
MORTGAGE NOTES PAYABLE
Interest rate (as a percent)	2.97%
Mortgages payable | Maximum
MORTGAGE NOTES PAYABLE
Interest rate (as a percent)	4.95%