v3.26.1
Concentration (Details)
9 Months Ended
Sep. 30, 2025
state
property
Sep. 30, 2024
Continuing operations    
Concentration    
Number of properties | property 124  
Number of states in which acquired properties located | state 29  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Tenant concentration | U S Government, State Governments, and Other Governments    
Concentration    
Concentration risk percentage 25.50% 24.50%
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Tenant concentration | U.S. Government    
Concentration    
Concentration risk percentage 17.00% 16.60%
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | Virginia    
Concentration    
Concentration risk percentage 14.20%  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | California    
Concentration    
Concentration risk percentage 11.60%  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | Illinois    
Concentration    
Concentration risk percentage 11.10%  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | Georgia    
Concentration    
Concentration risk percentage 10.60%  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | Texas    
Concentration    
Concentration risk percentage 10.10%