v3.26.1
Variable Interest Entities (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
JBG Smith, LP    
Variable Interest Entities    
Ownership interest by parent 81.80%  
Unconsolidated VIEs    
Variable Interest Entities    
Equity Method Investments $ 89.8 $ 79.0