v3.26.1
NONCONTROLLING INTERESTS - Interests in Consolidated Real Estate Joint Ventures (Details)
$ in Thousands
6 Months Ended
Jun. 30, 2026
USD ($)
facility
item
Dec. 31, 2025
USD ($)
NONCONTROLLING INTERESTS    
Total assets $ 6,584,815 $ 6,643,193
Total liabilities $ 3,947,803 $ 3,861,117
VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 23  
Total assets $ 388,642  
Total liabilities 274,318  
Related Party Loans $ 258,985  
CS 114 S Kensico Ave LLC | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 1  
CubeSmart Ownership Interest 51.00%  
Total assets $ 11,494  
Total liabilities $ 2,841  
Hines Capital    
NONCONTROLLING INTERESTS    
Number of consolidated joint ventures In portfolio | item 2  
Hines Capital | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 14  
CubeSmart Ownership Interest 85.00%  
Total assets $ 168,009  
Total liabilities 118,945  
Related Party Loans $ 109,614  
New Rochelle Investors LLC | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 1  
CubeSmart Ownership Interest 70.00%  
Total assets $ 44,385  
Total liabilities 44,223  
Related Party Loans $ 43,493  
1074 Raritan Road, LLC | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 1  
CubeSmart Ownership Interest 90.00%  
Total assets $ 14,696  
Total liabilities 10,946  
Related Party Loans $ 10,657  
350 Main Street, LLC | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 1  
CubeSmart Ownership Interest 90.00%  
Total assets $ 16,973  
Total liabilities 11,789  
Related Party Loans $ 11,483  
Astoria Investors, LLC | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 1  
CubeSmart Ownership Interest 70.00%  
Total assets $ 43,884  
Total liabilities 30,803  
Related Party Loans $ 29,991  
C S Lock Up Anoka LLC | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 1  
CubeSmart Ownership Interest 50.00%  
Total assets $ 8,961  
Total liabilities 5,588  
Related Party Loans $ 5,544  
CS Valley Forge Village Storage LLC | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 1  
CubeSmart Ownership Interest 70.00%  
Total assets $ 17,387  
Total liabilities 14,775  
Related Party Loans $ 14,617  
CS Vienna LLC | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 1  
CubeSmart Ownership Interest 80.00%  
Total assets $ 27,985  
Total liabilities 34,047  
Related Party Loans $ 33,586  
SH3, LLC | VIE    
NONCONTROLLING INTERESTS    
Number of Stores | facility 1  
CubeSmart Ownership Interest 90.00%  
Total assets $ 34,868  
Total liabilities $ 361