v3.26.3
MORTGAGES PAYABLE - Summary of Mortgages Payable (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 02, 2026
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
May 03, 2024
Mar. 28, 2024
Debt Instrument [Line Items]            
Debt assumed by buyer in connection with disposition of real estate $ 30,000 $ 30,000 $ 0      
Mortgages | Fixed Rate Residential Mortgage | The Village at Waugh Chapel            
Debt Instrument [Line Items]            
Debt instrument, unamortized discount   3,700        
Mortgages | Fixed Rate Residential Mortgage | Mount Kisco Commons            
Debt Instrument [Line Items]            
Debt instrument, unamortized discount   500        
Mortgages | First Mortgage            
Debt Instrument [Line Items]            
Unamortized debt issuance expense   10,197   $ 12,614    
Total mortgages payable, net   $ 1,629,867   1,606,774    
Mortgages | First Mortgage | Adjustable Rate Residential Mortgage | Shoppers World            
Debt Instrument [Line Items]            
Interest rate spread on variable rate   1.70%        
Mortgages | First Mortgage | Adjustable Rate Residential Mortgage | Montclair, NJ            
Debt Instrument [Line Items]            
Interest rate spread on variable rate   2.57%        
Mortgages | First Mortgage | Adjustable Rate Residential Mortgage | The Plaza at Woodbridge            
Debt Instrument [Line Items]            
Interest rate spread on variable rate   1.55%        
Mortgages | First Mortgage | Fixed Rate Residential Mortgage            
Debt Instrument [Line Items]            
Long-term debt, gross   $ 1,640,064   1,619,388    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Town Brook Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   3.78%        
Long-term debt, gross   $ 28,468   28,965    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Rockaway River Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   3.78%        
Long-term debt, gross   $ 25,204   25,645    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Hanover Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   4.03%        
Long-term debt, gross   $ 57,987   58,935    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Tonnelle Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   4.18%        
Long-term debt, gross   $ 91,893   93,377    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Manchester Plaza            
Debt Instrument [Line Items]            
Effective Interest Rate   4.32%        
Long-term debt, gross   $ 12,500   12,500    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Millburn Gateway Center            
Debt Instrument [Line Items]            
Effective Interest Rate   3.97%        
Long-term debt, gross   $ 20,614   21,013    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Totowa Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   4.33%        
Long-term debt, gross   $ 50,800   50,800    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Woodbridge Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   4.36%        
Long-term debt, gross   $ 22,100   22,100    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Brunswick Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   4.38%        
Long-term debt, gross   $ 63,000   63,000    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Rutherford Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   4.49%        
Long-term debt, gross   $ 23,000   23,000    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Hackensack Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   4.36%        
Long-term debt, gross   $ 66,400   66,400    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Marlton Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   3.86%        
Long-term debt, gross   $ 34,730   35,295    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Yonkers Gateway Center            
Debt Instrument [Line Items]            
Effective Interest Rate           6.30%
Long-term debt, gross       50,000   $ 50,000
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Ledgewood Commons            
Debt Instrument [Line Items]            
Effective Interest Rate         6.03%  
Long-term debt, gross       50,000 $ 50,000  
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | The Shops at Riverwood            
Debt Instrument [Line Items]            
Effective Interest Rate   4.25%        
Long-term debt, gross   $ 20,281   20,577    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Shops at Bruckner            
Debt Instrument [Line Items]            
Effective Interest Rate   6.00%        
Long-term debt, gross   $ 36,452   $ 36,848    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Shoppers World            
Debt Instrument [Line Items]            
Effective Interest Rate   5.12%   5.12%    
Long-term debt, gross   $ 123,600   $ 123,600    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Greenbrook Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   6.03%        
Long-term debt, gross   $ 31,000   31,000    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Huntington Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   6.29%        
Long-term debt, gross   $ 43,326   43,704    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Bergen Town Center            
Debt Instrument [Line Items]            
Effective Interest Rate   6.30%        
Long-term debt, gross   $ 285,167   287,779    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | The Outlets at Montehiedra | Senior Loan            
Debt Instrument [Line Items]            
Effective Interest Rate   5.00%        
Long-term debt, gross   $ 69,739   $ 71,412    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Montclair, NJ            
Debt Instrument [Line Items]            
Effective Interest Rate   3.15%   3.15%    
Long-term debt, gross   $ 7,091   $ 7,201    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Garfield Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   4.14%        
Long-term debt, gross   $ 37,548   38,134    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Shops At Caguas            
Debt Instrument [Line Items]            
Effective Interest Rate   6.15%        
Long-term debt, gross   $ 78,784   79,983    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | The Village at Waugh Chapel            
Debt Instrument [Line Items]            
Effective Interest Rate   3.76%        
Long-term debt, gross   $ 56,318   55,784    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Brick Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   5.20%        
Long-term debt, gross   $ 50,000   50,000    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Woodmore Towne Centre            
Debt Instrument [Line Items]            
Effective Interest Rate   3.39%        
Long-term debt, gross   $ 117,200   117,200    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | The Plaza at Woodbridge            
Debt Instrument [Line Items]            
Effective Interest Rate   5.03%        
Long-term debt, gross   $ 62,500   0    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Newington Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   6.00%        
Long-term debt, gross   $ 15,335   15,505    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Briarcliff Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   0.00%        
Long-term debt, gross   $ 0   30,000    
Mortgages | First Mortgage | Fixed Rate Residential Mortgage | Mount Kisco Commons            
Debt Instrument [Line Items]            
Effective Interest Rate   6.40%        
Long-term debt, gross   $ 9,027   $ 9,631