v3.26.1
DEBT OBLIGATIONS - Schedule of Consolidated Debt Obligations Outstanding (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Jun. 23, 2026
USD ($)
May 28, 2026
extension
Apr. 30, 2024
Mar. 31, 2024
Sep. 30, 2023
Mar. 31, 2026
Jun. 30, 2026
USD ($)
extension
Jun. 24, 2026
USD ($)
Jun. 22, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jan. 16, 2024
Nov. 23, 2022
USD ($)
Debt Instrument [Line Items]                        
Principal balance outstanding             $ 2,624,934,000          
Plus: original issue premium (discount), net             6,825,000          
Less: deferred financing costs             (14,753,000)          
Debt, net             2,617,006,000     $ 2,556,862,000    
Fixed rate debt                        
Debt Instrument [Line Items]                        
Principal balance outstanding             144,260,000     234,079,000    
Less: deferred financing costs             (3,064,000)     (1,259,000)    
Fixed rate debt | 3151 Market Street                        
Debt Instrument [Line Items]                        
Debt instrument, face amount                   $ 50,500,000    
Debt instrument, interest rate, stated percentage                   7.31%    
Additional future funding for new leasing                   $ 30,000,000.0    
Prepaid interest                   3,300,000    
Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Principal balance outstanding             2,477,610,000     2,328,610,000    
Plus: original issue premium (discount), net             6,825,000     7,760,000    
Less: deferred financing costs             (11,689,000)     (13,587,000)    
Debt, net             2,472,746,000     2,322,783,000    
3025 JFK Construction Loan | Fixed rate debt                        
Debt Instrument [Line Items]                        
Debt instrument, face amount                 $ 250,000,000.0      
Principal balance outstanding             $ 0     178,014,000    
Debt retired $ 178,000,000                      
Number of extensions | extension             2          
Extension term             6 months          
3025 JFK Construction Loan | Fixed rate debt | SOFR                        
Debt Instrument [Line Items]                        
Effective Interest Rate             3.60%          
3025 JFK Construction Loan | Fixed rate debt | Maximum                        
Debt Instrument [Line Items]                        
Debt instrument, interest rate, stated percentage             6.60%          
Avira Secured Term Loan | Fixed rate debt                        
Debt Instrument [Line Items]                        
Debt instrument, interest rate, stated percentage               5.81%        
Principal balance outstanding             $ 90,000,000 $ 90,000,000   0    
Effective Interest Rate               1.85%        
Avira Secured Term Loan | Fixed rate debt | SOFR                        
Debt Instrument [Line Items]                        
Effective Interest Rate             1.85%          
3151 Market C-PACE Loan | Fixed rate debt                        
Debt Instrument [Line Items]                        
Principal balance outstanding             $ 57,324,000     57,324,000    
Effective Interest Rate             7.31%          
Principal balance outstanding | Fixed rate debt                        
Debt Instrument [Line Items]                        
Principal balance outstanding             $ 147,324,000     235,338,000    
$600.0M Unsecured Credit Facility | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, face amount             600,000,000.0          
Principal balance outstanding             $ 149,000,000     0    
Number of extensions | extension   1                    
Extension term   6 months                    
$600.0M Unsecured Credit Facility | Unsecured term loans, net | Daily SOFR Adjustment                        
Debt Instrument [Line Items]                        
Variable interest rate             0.10%          
$600.0M Unsecured Credit Facility | Unsecured term loans, net | SOFR                        
Debt Instrument [Line Items]                        
Variable interest rate             1.50%          
Term Loan - Swapped to fixed | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, face amount                       $ 250,000,000.0
Debt instrument, interest rate, stated percentage             5.41%          
Principal balance outstanding             $ 250,000,000     250,000,000    
Term Loan - Swapped to fixed | Unsecured term loans, net | Daily SOFR Adjustment                        
Debt Instrument [Line Items]                        
Variable interest rate             0.10%          
Term Loan - Swapped to fixed | Unsecured term loans, net | SOFR                        
Debt Instrument [Line Items]                        
Variable interest rate             1.70%          
$450.0M 3.95% Guaranteed Notes due 2027 | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, face amount             $ 450,000,000.0          
Debt instrument, interest rate, stated percentage             3.95%          
Principal balance outstanding             $ 450,000,000     450,000,000    
Effective Interest Rate             4.03%          
$350.0M 8.30% Guaranteed Notes due 2028 | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, face amount             $ 350,000,000.0          
Debt instrument, interest rate, stated percentage     8.30% 8.05% 7.55%   8.30%          
Principal balance outstanding             $ 350,000,000     350,000,000    
Effective Interest Rate             8.48%          
Variable interest rate     0.25% 0.25% 0.25%              
$350.0M 4.55% Guaranteed Notes due 2029 | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, face amount             $ 350,000,000.0          
Debt instrument, interest rate, stated percentage             4.55%          
Principal balance outstanding             $ 350,000,000     350,000,000    
Effective Interest Rate             4.30%          
$550.0M 8.88% Guaranteed Notes due 2029 | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, face amount             $ 550,000,000.0          
Debt instrument, interest rate, stated percentage             8.88%          
Principal balance outstanding             $ 550,000,000     550,000,000    
Effective Interest Rate             8.52%          
$300.0M 6.13% Guaranteed Notes due 2031 | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, face amount             $ 300,000,000.0          
Debt instrument, interest rate, stated percentage             6.13%          
Principal balance outstanding             $ 300,000,000     300,000,000    
Effective Interest Rate             6.13%          
Indenture IA (Preferred Trust I) | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, interest rate, stated percentage                     5.14%  
Principal balance outstanding             $ 27,062,000     27,062,000    
Indenture IA (Preferred Trust I) | Unsecured term loans, net | SOFR                        
Debt Instrument [Line Items]                        
Variable interest rate             1.51%          
Indenture IB (Preferred Trust I) | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Principal balance outstanding             $ 25,774,000     25,774,000    
Indenture IB (Preferred Trust I) | Unsecured term loans, net | SOFR                        
Debt Instrument [Line Items]                        
Variable interest rate             1.51%          
Indenture II (Preferred Trust II) | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, interest rate, stated percentage                     5.24%  
Principal balance outstanding             $ 25,774,000     $ 25,774,000    
Indenture II (Preferred Trust II) | Unsecured term loans, net | SOFR                        
Debt Instrument [Line Items]                        
Variable interest rate             1.51%          
8.80% Note 2028 | Unsecured term loans, net                        
Debt Instrument [Line Items]                        
Debt instrument, interest rate, stated percentage           8.80%            
Variable interest rate           0.50%