v3.26.3
PARTNERS' EQUITY OF THE PARENT COMPANY - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Earnings Per Common Partnership Unit [Line Items]                
Distributions declared (in dollars per share) $ 0.08 $ 0.08 $ 0.08 $ 0.08 $ 0.15 $ 0.15    
Amount of dividend declared $ 13,900              
Repurchased and retired (in shares) 4,666,266     0     5,366,266 0
Share price (in dollars per share) $ 3.19           $ 3.18  
Value of stock repurchased and retired $ 14,896   $ 2,170       $ 17,100  
Brandywine Operating Partnership, L.P.                
Earnings Per Common Partnership Unit [Line Items]                
Distributions declared (in dollars per share) $ 0.08              
Amount of dividend declared $ 13,900              
Repurchase program, ratio of mirror unit of operating partnership retired for each common share repurchased (in shares)             1  
Repurchased and retired (in shares) 4,666,266           5,366,266 0