Annual report pursuant to Section 13 and 15(d)

INVESTMENTS IN UNCONSOLIDATED JOINT VENTURES - Schedule of Unconsolidated Joint Venture (Details)

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INVESTMENTS IN UNCONSOLIDATED JOINT VENTURES - Schedule of Unconsolidated Joint Venture (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
USD ($)
ft²
apartmentUnit
potentialApartmentUnit
floor
Dec. 31, 2022
USD ($)
Schedule of Equity Method Investments [Line Items]    
Investments in unconsolidated joint ventures $ 117,954 $ 126,158
Metropolitan and Lofts at 40 Park | The Shops At 40 Park Property    
Schedule of Equity Method Investments [Line Items]    
Balance $ 6,100  
Residual ownership interest (as a percent) 25.00%  
Area of property (in square feet) | ft² 50,973  
Metropolitan and Lofts at 40 Park | Lofts At 40 Park Property    
Schedule of Equity Method Investments [Line Items]    
Number of apartment units | apartmentUnit 59  
Balance $ 17,200  
Indirect ownership interest (as a percent) 50.00%  
Number of stories | floor 5  
Metropolitan and Lofts at 40 Park | Metropolitan at 40 Park    
Schedule of Equity Method Investments [Line Items]    
Balance $ 34,100  
Metropolitan and Lofts at 40 Park | SOFR | The Shops At 40 Park Property    
Schedule of Equity Method Investments [Line Items]    
Interest rate, variable (as a percent) 200.00%  
Metropolitan and Lofts at 40 Park | SOFR | Lofts At 40 Park Property    
Schedule of Equity Method Investments [Line Items]    
Interest rate, variable (as a percent) 2.00%  
Metropolitan and Lofts at 40 Park | SOFR | Metropolitan at 40 Park    
Schedule of Equity Method Investments [Line Items]    
Interest rate, variable (as a percent) 2.85%  
PI North - Land    
Schedule of Equity Method Investments [Line Items]    
Residual ownership interest (as a percent) 20.00%  
Number of units available for development | apartmentUnit 829  
Multifamily    
Schedule of Equity Method Investments [Line Items]    
Number of apartment units | apartmentUnit 2,146  
Multifamily | Metropolitan and Lofts at 40 Park    
Schedule of Equity Method Investments [Line Items]    
Number of apartment units | apartmentUnit 189  
Company's Effective Ownership Percentage (as a percent) 25.00%  
Investments in unconsolidated joint ventures $ 908 1,747
Balance $ 57,367  
Multifamily | RiverTrace at Port Imperial    
Schedule of Equity Method Investments [Line Items]    
Number of apartment units | apartmentUnit 316  
Company's Effective Ownership Percentage (as a percent) 22.50%  
Investments in unconsolidated joint ventures $ 4,506 5,114
Balance $ 82,000  
Interest rate, stated (as a percent) 3.21%  
Multifamily | Capstone at Port Imperial    
Schedule of Equity Method Investments [Line Items]    
Number of apartment units | apartmentUnit 360  
Company's Effective Ownership Percentage (as a percent) 40.00%  
Investments in unconsolidated joint ventures $ 21,361 23,234
Balance $ 135,000  
Multifamily | Capstone at Port Imperial | SOFR    
Schedule of Equity Method Investments [Line Items]    
Interest rate, variable (as a percent) 1.20%  
Multifamily | Riverpark at Harrison    
Schedule of Equity Method Investments [Line Items]    
Number of apartment units | apartmentUnit 141  
Company's Effective Ownership Percentage (as a percent) 45.00%  
Investments in unconsolidated joint ventures $ 0 0
Balance $ 30,192  
Interest rate, stated (as a percent) 3.19%  
Multifamily | Station House    
Schedule of Equity Method Investments [Line Items]    
Number of apartment units | apartmentUnit 378  
Company's Effective Ownership Percentage (as a percent) 50.00%  
Investments in unconsolidated joint ventures $ 32,022 32,372
Balance $ 89,440  
Interest rate, stated (as a percent) 4.82%  
Multifamily | Urby at Harborside    
Schedule of Equity Method Investments [Line Items]    
Number of apartment units | apartmentUnit 762  
Company's Effective Ownership Percentage (as a percent) 85.00%  
Investments in unconsolidated joint ventures $ 57,060 61,594
Balance $ 185,742  
Interest rate, stated (as a percent) 5.20%  
Guaranteed amount $ 22,000  
Multifamily | PI North - Land    
Schedule of Equity Method Investments [Line Items]    
Number of apartment units | potentialApartmentUnit 829  
Company's Effective Ownership Percentage (as a percent) 20.00%  
Investments in unconsolidated joint ventures $ 1,678 1,678
Balance $ 0  
Interest rate, stated (as a percent) 0.00%  
Other    
Schedule of Equity Method Investments [Line Items]    
Investments in unconsolidated joint ventures $ 117,954 126,158
Balance 579,741  
Other | Other    
Schedule of Equity Method Investments [Line Items]    
Investments in unconsolidated joint ventures 419 $ 419
Balance $ 0  
Interest rate, stated (as a percent) 0.00%