v3.26.1
Noncontrolling Interests - Holders of Convertible Limited Partnership Units in the Operating Partnership (Details) - shares
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Noncontrolling Interest [Line Items]          
Limited partnership units (in shares) 11,000,000.0   11,000,000.0   10,600,000
Limited partnership units, conversion ratio 1   1    
Outstanding stock percent that should be acquired for rights to be exercised (as a percent) 39.90%   39.90%    
Limited partnership units convertible into shares of common stock, eligible for conversion (in shares) 752,000   752,000   1,349,000
Fully converted partnership units and diluted weighted average shares outstanding (in shares)     35,700,000 34,800,000  
Noncontrolling interests          
Noncontrolling Interest [Line Items]          
Fully converted partnership units and diluted weighted average shares outstanding (in shares) 35,800,000 34,900,000      
Leasehold Interest Contributed In Contribution Agreement          
Noncontrolling Interest [Line Items]          
Number of partnership units issued in transaction (in shares)     469,740   469,740
Saul Holdings Limited Partnership          
Noncontrolling Interest [Line Items]          
Percentage of ownership interest of noncontrolling interest (as a percent) 30.70%   30.70%   30.10%
Limited partnership units, conversion ratio 1   1   1
Saul Holdings Limited Partnership | Leasehold Interest Contributed In Contribution Agreement          
Noncontrolling Interest [Line Items]          
Percentage of ownership interest of noncontrolling interest (as a percent) 1.30%   1.30%   1.30%
Operating Partnership Held By Noncontrolling Interest          
Noncontrolling Interest [Line Items]          
Percentage of ownership interest of noncontrolling interest (as a percent) 32.00%   32.00%   31.40%