v3.26.3
Fair Value Measurements - Debt Securities, Available-for-sale Measured at Fair Value (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Fair value of mortgage and other indebtedness $ 1,994,184 $ 2,084,706
Available-for-sale securities, amortized cost 290,311 292,646
Available-For-Sale Securities Held, Fair Value [1] 289,937 293,087
U.S Treasury Securities    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Available-for-sale securities, amortized cost 290,311 292,646
Available-For-Sale Securities Held, unrealized (loss) gain (374) 441
Available-For-Sale Securities Held, Fair Value $ 289,937 $ 293,087
U.S. Treasury securities, maturity date Sep. 30, 2027  
[1] As of September 30, 2026, includes $155,197 of assets related to consolidated variable interest entities that can be used only to settle obligations of the consolidated variable interest entities and $174,402 of liabilities of consolidated variable interest entities for which creditors do not have recourse to the general credit of the Company. See Note 8.