FAIR VALUE MEASUREMENTS - Schedule of Derivative Instrument (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 08, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Interest Rate	5.39%
First Mortgage | Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total mortgages payable	$ 1,704,074		$ 1,695,408
First Mortgage | Variable rate | Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total mortgages payable	159,588		161,084
First Mortgage | The Plaza at Woodbridge | Variable rate | Mortgages
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Effective Interest Rate		2.26%
Total mortgages payable			$ 54,029
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	444
Notional Amount	$ 52,947
Spread	2.26%
Interest Rate	4.66%
Effective Interest Rate	4.66%
Total mortgages payable	$ 52,947
Interest Rate Swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	1,522
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
Spread	2.57%