Annual report pursuant to Section 13 and 15(d)

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
12 Months Ended
Dec. 31, 2021
USD ($)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances $ 2,241,070
Initial Costs, Land 674,199
Initial Costs, Building and Improvements 3,053,411
Costs Capitalized Subsequent to Acquisition 1,127,441
Gross Amount at Which Carried at Close of Period, Land 654,903
Gross Amount at Which Carried at Close of Period, Building and Improvements 4,200,147
Total 4,855,050
Accumulated Depreciation 742,953
Real Estate Aggregate Cost, Tax Purpose 3,200,000
Real Estate Held-for-sale Accumulated Depreciation $ 159,500
Office [Member] | 111 River St. [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2002
Acquired 2016
Related Encumbrances $ 148,897
Initial Costs, Building and Improvements 198,609
Costs Capitalized Subsequent to Acquisition 15,604
Gross Amount at Which Carried at Close of Period, Building and Improvements 214,213
Total 214,213
Accumulated Depreciation $ 31,096
Office [Member] | Harborside Plaza 2 [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 1990
Acquired 1996
Initial Costs, Land $ 17,655
Initial Costs, Building and Improvements 101,546
Costs Capitalized Subsequent to Acquisition 73,669
Gross Amount at Which Carried at Close of Period, Land 8,363
Gross Amount at Which Carried at Close of Period, Building and Improvements 184,507
Total 192,870
Accumulated Depreciation $ 87,603
Office [Member] | Harborside Plaza 3 [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 1990
Acquired 1996
Initial Costs, Land $ 17,655
Initial Costs, Building and Improvements 101,878
Costs Capitalized Subsequent to Acquisition 73,337
Gross Amount at Which Carried at Close of Period, Land 8,363
Gross Amount at Which Carried at Close of Period, Building and Improvements 184,507
Total 192,870
Accumulated Depreciation $ 87,603
Office [Member] | Harborside Plaza 4A [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2002
Acquired 2002
Initial Costs, Land $ 6,218
Initial Costs, Building and Improvements 170,682
Costs Capitalized Subsequent to Acquisition 63,367
Gross Amount at Which Carried at Close of Period, Land 5,705
Gross Amount at Which Carried at Close of Period, Building and Improvements 234,562
Total 240,267
Accumulated Depreciation $ 118,295
Office [Member] | Harborside Plaza 5 [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2000
Acquired 2000
Initial Costs, Land $ 1,244
Initial Costs, Building and Improvements 56,144
Costs Capitalized Subsequent to Acquisition 13,364
Gross Amount at Which Carried at Close of Period, Land 1,244
Gross Amount at Which Carried at Close of Period, Building and Improvements 69,508
Total 70,752
Accumulated Depreciation $ 31,273
Office [Member] | 101 Hudson Street [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 1992
Acquired 2005
Related Encumbrances $ 249,056
Initial Costs, Land 45,530
Initial Costs, Building and Improvements 271,376
Costs Capitalized Subsequent to Acquisition 49,831
Gross Amount at Which Carried at Close of Period, Land 45,530
Gross Amount at Which Carried at Close of Period, Building and Improvements 321,207
Total 366,737
Accumulated Depreciation $ 128,442
Office [Member] | 23 Main Street [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 1977
Acquired 2005
Initial Costs, Land $ 4,336
Initial Costs, Building and Improvements 19,544
Costs Capitalized Subsequent to Acquisition 6,400
Gross Amount at Which Carried at Close of Period, Land 4,336
Gross Amount at Which Carried at Close of Period, Building and Improvements 25,944
Total 30,280
Accumulated Depreciation 11,671
Land [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Real Estate Held-for-sale $ 160,000
Multi-Family Properties [Member] | Upton [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2021
Related Encumbrances $ 74,328
Initial Costs, Land 2,850
Costs Capitalized Subsequent to Acquisition 91,673
Gross Amount at Which Carried at Close of Period, Land 2,850
Gross Amount at Which Carried at Close of Period, Building and Improvements 91,673
Total 94,523
Accumulated Depreciation $ 2,154
Multi-Family Properties [Member] | Soho Lofts [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2017
Acquired 2019
Related Encumbrances $ 159,112
Initial Costs, Land 27,601
Initial Costs, Building and Improvements 224,039
Costs Capitalized Subsequent to Acquisition 4,663
Gross Amount at Which Carried at Close of Period, Land 27,601
Gross Amount at Which Carried at Close of Period, Building and Improvements 228,702
Total 256,303
Accumulated Depreciation $ 18,774
Multi-Family Properties [Member] | Liberty Towers [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2003
Acquired 2019
Related Encumbrances $ 263,888
Initial Costs, Land 66,670
Initial Costs, Building and Improvements 328,347
Costs Capitalized Subsequent to Acquisition 7,344
Gross Amount at Which Carried at Close of Period, Land 66,670
Gross Amount at Which Carried at Close of Period, Building and Improvements 335,691
Total 402,361
Accumulated Depreciation $ 19,718
Multi-Family Properties [Member] | BLVD 475 N/S [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2011
Acquired 2017
Related Encumbrances $ 164,915
Initial Costs, Land 58,761
Initial Costs, Building and Improvements 240,871
Costs Capitalized Subsequent to Acquisition 6,323
Gross Amount at Which Carried at Close of Period, Land 58,761
Gross Amount at Which Carried at Close of Period, Building and Improvements 247,194
Total 305,955
Accumulated Depreciation $ 33,036
Multi-Family Properties [Member] | BLVD 401 [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2016
Acquired 2019
Related Encumbrances $ 116,447
Initial Costs, Land 36,595
Initial Costs, Building and Improvements 152,440
Costs Capitalized Subsequent to Acquisition 438
Gross Amount at Which Carried at Close of Period, Land 36,595
Gross Amount at Which Carried at Close of Period, Building and Improvements 152,878
Total 189,473
Accumulated Depreciation $ 12,038
Multi-Family Properties [Member] | BLVD 425 [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2003
Acquired 2018
Related Encumbrances $ 130,420
Initial Costs, Land 48,820
Initial Costs, Building and Improvements 160,740
Costs Capitalized Subsequent to Acquisition 5,611
Gross Amount at Which Carried at Close of Period, Land 48,820
Gross Amount at Which Carried at Close of Period, Building and Improvements 166,351
Total 215,171
Accumulated Depreciation $ 16,350
Multi-Family Properties [Member] | Riverhouse 11 at Port Imperial [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2018
Acquired 2018
Related Encumbrances $ 99,854
Initial Costs, Land 22,047
Costs Capitalized Subsequent to Acquisition 112,301
Gross Amount at Which Carried at Close of Period, Land 22,047
Gross Amount at Which Carried at Close of Period, Building and Improvements 112,301
Total 134,348
Accumulated Depreciation $ 11,257
Multi-Family Properties [Member] | Riverhouse 9 At Port Imperia [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2021
Related Encumbrances $ 86,917
Initial Costs, Land 2,686
Costs Capitalized Subsequent to Acquisition 131,280
Gross Amount at Which Carried at Close of Period, Land 2,686
Gross Amount at Which Carried at Close of Period, Building and Improvements 131,280
Total 133,966
Accumulated Depreciation $ 1,323
Multi-Family Properties [Member] | Signature Place At Morris Plains [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2018
Acquired 2018
Related Encumbrances $ 42,752
Initial Costs, Land 930
Costs Capitalized Subsequent to Acquisition 56,414
Gross Amount at Which Carried at Close of Period, Land 930
Gross Amount at Which Carried at Close of Period, Building and Improvements 56,414
Total 57,344
Accumulated Depreciation $ 6,103
Multi-Family Properties [Member] | Quarry Place At Tuckahoe [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2016
Acquired 2016
Related Encumbrances $ 40,631
Initial Costs, Land 5,585
Initial Costs, Building and Improvements 3,400
Costs Capitalized Subsequent to Acquisition 48,953
Gross Amount at Which Carried at Close of Period, Land 5,585
Gross Amount at Which Carried at Close of Period, Building and Improvements 52,353
Total 57,938
Accumulated Depreciation $ 7,780
Multi-Family Properties [Member] | Emery At Overlook Ridge [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2020
Acquired 2014
Related Encumbrances $ 71,426
Initial Costs, Land 4,115
Initial Costs, Building and Improvements 86,093
Costs Capitalized Subsequent to Acquisition 10,023
Gross Amount at Which Carried at Close of Period, Land 9,103
Gross Amount at Which Carried at Close of Period, Building and Improvements 91,128
Total 100,231
Accumulated Depreciation $ 5,310
Multi-Family Properties [Member] | Portside At Pier One [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2015
Acquired 2016
Related Encumbrances $ 58,880
Initial Costs, Building and Improvements 73,713
Costs Capitalized Subsequent to Acquisition 656
Gross Amount at Which Carried at Close of Period, Building and Improvements 74,369
Total 74,369
Accumulated Depreciation $ 14,022
Multi-Family Properties [Member] | Portside 5/6 [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2018
Acquired 2018
Related Encumbrances $ 96,633
Initial Costs, Building and Improvements 37,114
Costs Capitalized Subsequent to Acquisition 77,248
Gross Amount at Which Carried at Close of Period, Building and Improvements 114,362
Total 114,362
Accumulated Depreciation $ 12,335
Multi-Family Properties [Member] | 145 Front Street [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2018
Acquired 2015
Related Encumbrances $ 62,645
Initial Costs, Land 4,380
Costs Capitalized Subsequent to Acquisition 92,178
Gross Amount at Which Carried at Close of Period, Land 4,380
Gross Amount at Which Carried at Close of Period, Building and Improvements 92,178
Total 96,558
Accumulated Depreciation $ 10,752
Other Property [Member] | 100 Avenue At Port Imperial [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2016
Acquired 2016
Initial Costs, Land $ 350
Costs Capitalized Subsequent to Acquisition 30,734
Gross Amount at Which Carried at Close of Period, Land 1,958
Gross Amount at Which Carried at Close of Period, Building and Improvements 29,126
Total 31,084
Accumulated Depreciation $ 5,313
Other Property [Member] | 500 Avenue At Port Imperial [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2013
Acquired 2013
Related Encumbrances $ 32,443
Initial Costs, Land 13,099
Initial Costs, Building and Improvements 56,669
Costs Capitalized Subsequent to Acquisition (19,331)
Gross Amount at Which Carried at Close of Period, Land 13,099
Gross Amount at Which Carried at Close of Period, Building and Improvements 37,338
Total 50,437
Accumulated Depreciation $ 7,898
Other Property [Member] | Autograph Collection By Marriott (Phase II) [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2019
Acquired 2015
Related Encumbrances $ 88,714
Initial Costs, Land 23,660
Costs Capitalized Subsequent to Acquisition 74,655
Gross Amount at Which Carried at Close of Period, Land 16,866
Gross Amount at Which Carried at Close of Period, Building and Improvements 81,449
Total 98,315
Accumulated Depreciation $ 13,101
Other Property [Member] | Port Imperial North Retail, L.L.C. [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Year Built 2008
Acquired 2020
Initial Costs, Land $ 4,305
Initial Costs, Building and Improvements 8,216
Costs Capitalized Subsequent to Acquisition 695
Gross Amount at Which Carried at Close of Period, Land 4,305
Gross Amount at Which Carried at Close of Period, Building and Improvements 8,911
Total 13,216
Accumulated Depreciation 647
Projects Under Development And Developable Land [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Related Encumbrances 253,112
Initial Costs, Land 259,107
Initial Costs, Building and Improvements 761,990
Gross Amount at Which Carried at Close of Period, Land 259,106
Gross Amount at Which Carried at Close of Period, Building and Improvements 761,990
Total 1,021,096
Accumulated Depreciation 49,059
Furniture, Fixtures And Equipment [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Costs Capitalized Subsequent to Acquisition 100,011
Gross Amount at Which Carried at Close of Period, Building and Improvements 100,011
Total $ 100,011
Buildings And Improvements [Member]  
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]  
Useful Live 40 years
Real Estate Held-for-sale $ 618,200