Annual report [Section 13 and 15(d), not S-K Item 405]

REAL ESTATE INVESTMENTS AND ACCUMULATED DEPRECIATION - Schedule of Real Estate Investments and Accumulated Depreciation (Details)

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REAL ESTATE INVESTMENTS AND ACCUMULATED DEPRECIATION - Schedule of Real Estate Investments and Accumulated Depreciation (Details)
$ in Thousands
Dec. 31, 2025
USD ($)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances $ 1,332,158
Initial Costs, Land 370,113
Initial Costs, Building and Improvements 2,102,985
Costs Capitalized Subsequent to Acquisition 623,487
Gross Amount at Which Carried at Close of Period, Land 376,710
Gross Amount at Which Carried at Close of Period, Building and Improvements 2,719,875
Total 3,096,585
Accumulated Depreciation 516,404
Real estate aggregate cost, tax purpose 2,100,000
Multi-Family Properties | The Upton  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 74,877
Initial Costs, Land 2,850
Initial Costs, Building and Improvements 0
Costs Capitalized Subsequent to Acquisition 88,197
Gross Amount at Which Carried at Close of Period, Land 2,850
Gross Amount at Which Carried at Close of Period, Building and Improvements 88,197
Total 91,047
Accumulated Depreciation 11,009
Multi-Family Properties | Haus25  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 337,602
Initial Costs, Land 53,421
Initial Costs, Building and Improvements 409,612
Costs Capitalized Subsequent to Acquisition 1,778
Gross Amount at Which Carried at Close of Period, Land 53,421
Gross Amount at Which Carried at Close of Period, Building and Improvements 411,390
Total 464,811
Accumulated Depreciation 41,407
Multi-Family Properties | Liberty Towers  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Initial Costs, Land 66,670
Initial Costs, Building and Improvements 328,347
Costs Capitalized Subsequent to Acquisition 28,370
Gross Amount at Which Carried at Close of Period, Land 66,670
Gross Amount at Which Carried at Close of Period, Building and Improvements 356,717
Total 423,387
Accumulated Depreciation 53,420
Multi-Family Properties | BLVD 475  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 161,174
Initial Costs, Land 58,761
Initial Costs, Building and Improvements 240,871
Costs Capitalized Subsequent to Acquisition 8,121
Gross Amount at Which Carried at Close of Period, Land 58,761
Gross Amount at Which Carried at Close of Period, Building and Improvements 248,992
Total 307,753
Accumulated Depreciation 55,345
Multi-Family Properties | Sable  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 180,406
Initial Costs, Land 8,718
Initial Costs, Building and Improvements 307,806
Costs Capitalized Subsequent to Acquisition 2,079
Gross Amount at Which Carried at Close of Period, Land 8,718
Gross Amount at Which Carried at Close of Period, Building and Improvements 309,885
Total 318,603
Accumulated Depreciation 58,443
Multi-Family Properties | Soho Lofts  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Initial Costs, Land 27,601
Initial Costs, Building and Improvements 224,039
Costs Capitalized Subsequent to Acquisition 7,168
Gross Amount at Which Carried at Close of Period, Land 27,601
Gross Amount at Which Carried at Close of Period, Building and Improvements 231,207
Total 258,808
Accumulated Depreciation 39,079
Multi-Family Properties | BLVD 425  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 130,926
Initial Costs, Land 48,820
Initial Costs, Building and Improvements 160,740
Costs Capitalized Subsequent to Acquisition 10,719
Gross Amount at Which Carried at Close of Period, Land 48,820
Gross Amount at Which Carried at Close of Period, Building and Improvements 171,459
Total 220,279
Accumulated Depreciation 31,876
Multi-Family Properties | BLVD 401  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 113,388
Initial Costs, Land 36,595
Initial Costs, Building and Improvements 152,440
Costs Capitalized Subsequent to Acquisition 2,111
Gross Amount at Which Carried at Close of Period, Land 36,595
Gross Amount at Which Carried at Close of Period, Building and Improvements 154,551
Total 191,146
Accumulated Depreciation 26,851
Multi-Family Properties | RiverHouse 9 at Port Imperial  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 109,664
Initial Costs, Land 2,686
Initial Costs, Building and Improvements 0
Costs Capitalized Subsequent to Acquisition 151,039
Gross Amount at Which Carried at Close of Period, Land 2,686
Gross Amount at Which Carried at Close of Period, Building and Improvements 151,039
Total 153,725
Accumulated Depreciation 16,866
Multi-Family Properties | RiverHouse 11 at Port Imperial  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 99,938
Initial Costs, Land 22,047
Initial Costs, Building and Improvements 0
Costs Capitalized Subsequent to Acquisition 109,088
Gross Amount at Which Carried at Close of Period, Land 22,047
Gross Amount at Which Carried at Close of Period, Building and Improvements 109,088
Total 131,135
Accumulated Depreciation 21,952
Multi-Family Properties | The Emery  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 0
Initial Costs, Land 4,115
Initial Costs, Building and Improvements 86,093
Costs Capitalized Subsequent to Acquisition 7,501
Gross Amount at Which Carried at Close of Period, Land 9,104
Gross Amount at Which Carried at Close of Period, Building and Improvements 88,605
Total 97,709
Accumulated Depreciation 14,054
Multi-Family Properties | Portside at East Pier  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 0
Initial Costs, Land 0
Initial Costs, Building and Improvements 73,713
Costs Capitalized Subsequent to Acquisition 971
Gross Amount at Which Carried at Close of Period, Land 0
Gross Amount at Which Carried at Close of Period, Building and Improvements 74,684
Total 74,684
Accumulated Depreciation 22,128
Multi-Family Properties | Portside 2 at East Pier  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 93,767
Initial Costs, Land 0
Initial Costs, Building and Improvements 37,114
Costs Capitalized Subsequent to Acquisition 74,410
Gross Amount at Which Carried at Close of Period, Land 0
Gross Amount at Which Carried at Close of Period, Building and Improvements 111,524
Total 111,524
Accumulated Depreciation 21,610
Other Property | Port Imperial Garage/Retail North  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 0
Initial Costs, Land 350
Initial Costs, Building and Improvements 0
Costs Capitalized Subsequent to Acquisition 29,846
Gross Amount at Which Carried at Close of Period, Land 1,958
Gross Amount at Which Carried at Close of Period, Building and Improvements 28,238
Total 30,196
Accumulated Depreciation 8,281
Other Property | Port Imperial Garage/Retail South  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 30,416
Initial Costs, Land 13,099
Initial Costs, Building and Improvements 56,669
Costs Capitalized Subsequent to Acquisition (19,213)
Gross Amount at Which Carried at Close of Period, Land 13,099
Gross Amount at Which Carried at Close of Period, Building and Improvements 37,456
Total 50,555
Accumulated Depreciation 11,892
Other Property | Riverwalk at Port Imperial  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 0
Initial Costs, Land 4,305
Initial Costs, Building and Improvements 8,216
Costs Capitalized Subsequent to Acquisition 2,505
Gross Amount at Which Carried at Close of Period, Land 4,305
Gross Amount at Which Carried at Close of Period, Building and Improvements 10,721
Total 15,026
Accumulated Depreciation 1,840
Projects Under Development And Developable Land  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 0
Initial Costs, Land 20,075
Initial Costs, Building and Improvements 17,325
Costs Capitalized Subsequent to Acquisition 0
Gross Amount at Which Carried at Close of Period, Land 20,075
Gross Amount at Which Carried at Close of Period, Building and Improvements 17,325
Total 37,400
Accumulated Depreciation 0
Furniture, fixtures and equipment  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 0
Initial Costs, Land 0
Initial Costs, Building and Improvements 0
Costs Capitalized Subsequent to Acquisition 118,797
Gross Amount at Which Carried at Close of Period, Land 0
Gross Amount at Which Carried at Close of Period, Building and Improvements 118,797
Total 118,797
Accumulated Depreciation $ 80,351
Buildings and improvements  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
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