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Concentration (Details)
12 Months Ended
Dec. 31, 2024
state
property
Dec. 31, 2023
Concentration Risk [Line Items]    
Number of states in which acquired properties located | state 29  
Continuing Operations    
Concentration Risk [Line Items]    
Number of Properties (in properties) | property 128  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Tenant Concentration | U S Government, State Governments, and Other Governments    
Concentration Risk [Line Items]    
Concentration risk, percentage 24.80% 27.50%
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Tenant Concentration | U.S. Government    
Concentration Risk [Line Items]    
Concentration risk, percentage 17.00% 19.50%
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | Virginia    
Concentration Risk [Line Items]    
Concentration risk, percentage 13.20%  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | California    
Concentration Risk [Line Items]    
Concentration risk, percentage 11.00%  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | District of Columbia    
Concentration Risk [Line Items]    
Concentration risk, percentage 11.00%  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | Texas    
Concentration Risk [Line Items]    
Concentration risk, percentage 10.40%  
Annualized Rental Income, Excluding Properties Classified as Discontinued Operations | Geographic Concentration Risk | Illinois    
Concentration Risk [Line Items]    
Concentration risk, percentage 10.10%