FAIR VALUE MEASUREMENTS - Schedule of Derivative Instrument (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate	7.25%	6.89%
First Mortgage | Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total mortgages payable	$ 1,694,219	$ 1,699,491
First Mortgage | Variable rate | Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total mortgages payable	158,808	159,198
First Mortgage | The Plaza at Woodbridge | Variable rate | Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total mortgages payable		52,947
Interest Rate Cap | First Mortgage | The Plaza at Woodbridge | Variable rate | Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	332	509
Notional Amount	$ 52,947	$ 52,947
Spread		2.26%
Interest Rate	6.82%	6.27%
Effective Interest Rate	5.26%	5.26%
Total mortgages payable	$ 52,947
Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	1,274	$ 1,467
Interest Rate Swap | First Mortgage | Montclair, NJ | Variable rate | Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Notional Amount	$ 7,250	$ 7,250
Spread		2.57%