Annual report pursuant to Section 13 and 15(d)

INVESTMENTS IN UNCONSOLIDATED JOINT VENTURES - Schedule of Company's Equity in Earnings (Loss) of Unconsolidated Joint Ventures (Details)

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INVESTMENTS IN UNCONSOLIDATED JOINT VENTURES - Schedule of Company's Equity in Earnings (Loss) of Unconsolidated Joint Ventures (Details) - USD ($)
$ in Thousands
12 Months Ended
Nov. 30, 2022
Sep. 01, 2021
Apr. 29, 2021
Mar. 12, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         $ 1,200 $ (4,251) $ (3,832)
Gain (loss) from the sale         7,677 (1,886) 35,184
Sale price   $ 1,900          
Amortization of basis difference         154 138 143
Crystal House              
Schedule of Equity Method Investments [Line Items]              
Gain on sale             35,100
Riverpark at Harrison              
Schedule of Equity Method Investments [Line Items]              
Litigation Settlement, Expense           900  
12 Vreeland Road              
Schedule of Equity Method Investments [Line Items]              
Sale price     $ 2,000        
Riverwalk Retail              
Schedule of Equity Method Investments [Line Items]              
Percentage of additional interest acquired       80.00%      
Multifamily | Metropolitan and Lofts at 40 Park              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         (674) (801) (1,010)
Multifamily | RiverTrace at Port Imperial              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         356 92 111
Multifamily | Crystal House              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         0 0 (924)
Multifamily | PI North - Riverwalk C              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         (212) (506) (368)
Multifamily | Riverpark at Harrison              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         234 (1,153) (273)
Multifamily | Station House              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         (722) (1,647) (1,650)
Multifamily | Urby at Harborside              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         2,374 (580) 1,095
Multifamily | PI North - Land              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         (205) (250) 0
Multifamily | Liberty Landing              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         36 (40) (5)
Office | 12 Vreeland Road              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         0 2 (2,035)
Gain (loss) from the sale     0        
Sale price     $ 2,000        
Office | Offices At Crystal Lake              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         0 (113) 224
Gain (loss) from the sale   1,900          
Sale price   $ 1,900          
Office | Cal-Harbor              
Schedule of Equity Method Investments [Line Items]              
Gain (loss) from the sale $ (7,700)            
Sale price $ 117,000            
Other              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         1,200 (4,251) (3,832)
Other | Riverwalk Retail              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         0 0 (10)
Other | Hyatt Regency Hotel Jersey City (h)              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         0 0 625
Other | Other              
Schedule of Equity Method Investments [Line Items]              
Gain on sale from unconsolidated joint ventures         $ 13 $ 745 $ 388