v3.26.3
Noncontrolling Interest - Joint Venture (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Noncontrolling Interest [Line Items]    
Noncontrolling Interest in Joint Ventures $ 3,990 $ 3,990
STAG Industrial, Inc NV Venture    
Noncontrolling Interest [Line Items]    
Subsidiary, Ownership Percentage, Parent 97.50%  
STAG Industrial, Inc NC Venture    
Noncontrolling Interest [Line Items]    
Subsidiary, Ownership Percentage, Parent 95.50%  
STAG Industrial, Inc KY Venture    
Noncontrolling Interest [Line Items]    
Subsidiary, Ownership Percentage, Parent 97.50%  
STAG Industrial, Inc Venture    
Noncontrolling Interest [Line Items]    
Noncontrolling Interest in Joint Ventures $ 4,000