v3.25.2
NONCONTROLLING INTERESTS - Operating Partnership Ownership (Details) - CubeSmart, L.P. and Subsidiaries - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2024
Operating Partnership Ownership      
Outstanding units of noncontrolling interest in the Operating Partnership (in shares) 1,103,240 1,194,705 1,238,205
Redemption value of OP units owned by third parties $ 46.9