v3.26.1
ORGANIZATION AND NATURE OF OPERATIONS (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2026
state
segment
Jun. 30, 2025
segment
Jun. 30, 2026
state
segment
Jun. 30, 2025
segment
ORGANIZATION AND NATURE OF OPERATIONS        
Number of states in which self-storage facilities are located | state 25   25  
Number of reportable segments | segment 1 1 1 1
Common stock, conversion ratio     1  
Cubesmart        
ORGANIZATION AND NATURE OF OPERATIONS        
Percentage of the entity's partnership interest in Operating Partnership 99.60%   99.60%