v3.25.2
Debt - Schedule of Debt (Details) - USD ($)
 6 Months Ended
May 28, 2025
Jun. 30, 2025
Mar. 27, 2025
Dec. 31, 2024
Debt Instrument [Line Items]        
Outstanding borrowings   $ 0   $ 120,000,000
Total principal   2,072,478,000    
Deferred financing costs, net   (17,290,000)   (18,977,000)
Revolving Credit Facility        
Debt Instrument [Line Items]        
Basis spread on variable rate (as a percent) 0.10%      
Mortgages, Senior Notes, and Unsecured Term Loan Facilities, not Including Unsecured Revolving Credit Facility        
Debt Instrument [Line Items]        
Total principal   2,072,478,000   2,294,274,000
Deferred financing costs, net   (9,007,000)   (10,123,000)
Unamortized debt discount   (5,793,000)   (6,183,000)
Total   2,057,678,000   2,277,968,000
10 Union Square | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 50,000,000   50,000,000
Stated Rate (as a percent)   3.70%    
Effective rate (as a percent)   3.97%    
1542 Third Avenue | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 30,000,000   30,000,000
Stated Rate (as a percent)   4.29%    
Effective rate (as a percent)   4.53%    
1010 Third Avenue and 77 West 55th Street | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 33,580,000   34,048,000
Stated Rate (as a percent)   4.01%    
Effective rate (as a percent)   4.21%    
Metro Center | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 71,600,000   71,600,000
Stated Rate (as a percent)   3.59%    
Effective rate (as a percent)   3.67%    
250 West 57th Street | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 180,000,000   180,000,000
Stated Rate (as a percent)   2.83%    
Effective rate (as a percent)   3.21%    
1333 Broadway | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 160,000,000   160,000,000
Stated Rate (as a percent)   4.21%    
Effective rate (as a percent)   4.29%    
345 East 94th Street - Series A | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 43,600,000   43,600,000
Variable rate, effective percentage (as a percent)   70.00%    
Basis spread on variable rate (as a percent)   0.95%    
Effective rate (as a percent)   3.56%    
345 East 94th Street - Series B | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 6,106,000   6,490,000
Basis spread on variable rate (as a percent)   2.24%    
Effective rate (as a percent)   3.56%    
561 10th Avenue - Series A | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 114,500,000   114,500,000
Variable rate, effective percentage (as a percent)   70.00%    
Basis spread on variable rate (as a percent)   1.07%    
Effective rate (as a percent)   3.85%    
561 10th Avenue - Series B | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 13,092,000   14,036,000
Basis spread on variable rate (as a percent)   2.45%    
Effective rate (as a percent)   3.85%    
Total mortgage debt | Fixed rate mortgage debt:        
Debt Instrument [Line Items]        
Fixed rate mortgage debt:   $ 702,478,000   704,274,000
Series A | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 0   100,000,000
Stated Rate (as a percent)   0.00% 3.93%  
Effective rate (as a percent)   0.00%    
Series B | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 125,000,000   125,000,000
Stated Rate (as a percent)   4.09%    
Effective rate (as a percent)   4.12%    
Series C | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 125,000,000   125,000,000
Stated Rate (as a percent)   4.18%    
Effective rate (as a percent)   4.21%    
Series D | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 115,000,000   115,000,000
Stated Rate (as a percent)   4.08%    
Effective rate (as a percent)   4.11%    
Series E | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 160,000,000   160,000,000
Stated Rate (as a percent)   4.26%    
Effective rate (as a percent)   4.27%    
Series F | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 175,000,000   175,000,000
Stated Rate (as a percent)   4.44%    
Effective rate (as a percent)   4.45%    
Series G | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 100,000,000   100,000,000
Stated Rate (as a percent)   3.61%    
Effective rate (as a percent)   4.89%    
Series H | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 75,000,000   75,000,000
Stated Rate (as a percent)   3.73%    
Effective rate (as a percent)   5.00%    
Series I | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 155,000,000   155,000,000
Stated Rate (as a percent)   7.20%    
Effective rate (as a percent)   7.39%    
Series J | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 45,000,000   45,000,000
Stated Rate (as a percent)   7.32%    
Effective rate (as a percent)   7.46%    
Series K | Senior Unsecured Notes        
Debt Instrument [Line Items]        
Total   $ 25,000,000   25,000,000
Stated Rate (as a percent)   7.41%    
Effective rate (as a percent)   7.52%    
Unsecured term loan facility | Revolving Credit Facility        
Debt Instrument [Line Items]        
Outstanding borrowings   $ 175,000,000   175,000,000
Basis spread on variable rate (as a percent)   1.50%    
Effective rate (as a percent)   4.61%    
Unsecured Term Loan Facility | Revolving Credit Facility        
Debt Instrument [Line Items]        
Outstanding borrowings   $ 95,000,000   95,000,000
Basis spread on variable rate (as a percent) 1.50% 1.50%    
Effective rate (as a percent)   5.16%    
Unsecured revolving credit facility | Revolving Credit Facility        
Debt Instrument [Line Items]        
Outstanding borrowings   $ 0   $ 120,000,000
Basis spread on variable rate (as a percent) 1.30% 1.30%    
Effective rate (as a percent)   4.04%