v3.26.1
Consolidated and unconsolidated real estate joint ventures - Unconsolidated real estate joint ventures (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Schedule of Equity Method Investments    
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount $ 5,400  
Investments in unconsolidated real estate joint ventures $ 28,910 $ 30,677
Unconsolidated Real Estate Joint Ventures Debt    
Interest Rate 4.08%  
Debt Balance at 100% $ 12,812,874  
Fixed SOFR floor rate 0.75%  
Equity Method Investment, Nonconsolidated Investee or Group of Investees    
Unconsolidated Real Estate Joint Ventures Debt    
Debt instrument, borrowing capacity $ 526,750  
Debt Balance at 100% 516,497  
1655 and 1725 Third Street    
Schedule of Equity Method Investments    
Investments in unconsolidated real estate joint ventures $ 19,062 19,484
Equity Method Investment, Ownership Percentage 10.00%  
Unconsolidated Real Estate Joint Ventures Debt    
Maturity Date Feb. 10, 2035  
Stated interest rate (as a percent) 6.37%  
Interest Rate 6.44%  
Debt instrument, borrowing capacity $ 500,000  
Debt Balance at 100% 497,052  
101 West Dickman Street    
Schedule of Equity Method Investments    
Investments in unconsolidated real estate joint ventures $ 9,848 9,669
Equity Method Investment, Ownership Percentage 58.40%  
Unconsolidated Real Estate Joint Ventures Debt    
Maturity Date Oct. 29, 2026  
Applicable margin (as a percent) 1.95%  
Interest Rate 5.68%  
Debt instrument, borrowing capacity $ 26,750  
Debt Balance at 100% 19,445  
Other unconsolidated real estate joint ventures    
Schedule of Equity Method Investments    
Investments in unconsolidated real estate joint ventures $ 0 $ 1,524