v3.26.1
Acquisitions (Details)
ft² in Millions, $ in Millions
 6 Months Ended
Jul. 22, 2026
USD ($)
ft²
Property
unit
state
shares
Dec. 31, 2026
USD ($)
ft²
Property
NSA Merger | Subsequent Event    
Business Combination [Line Items]    
Business combination, consideration transferred, equity interests issued and issuable, entity shares issued per acquiree share (in shares) 0.1400  
Number of self-storage facilities | Property 1,000  
Area of real estate property | ft² 69.0  
Number of units in real estate property | unit 550,000  
Number of states in real estate | state 37  
Unit holder interest of joint venture (in percent) 0.20  
NSA Merger | Subsequent Event | Mezzanine Loan    
Business Combination [Line Items]    
Debt issuance amount | $ $ 237  
NSA Merger | Subsequent Event | Common Stock    
Business Combination [Line Items]    
Business combination, consideration transferred, equity interest (in shares) 11,200,000  
NSA Merger | Subsequent Event | Series T Preferred Stock    
Business Combination [Line Items]    
Business combination, consideration transferred, equity interest (in shares) 9,569,557  
NSA Merger | Subsequent Event | Series U Preferred Stock    
Business Combination [Line Items]    
Business combination, consideration transferred, equity interest (in shares) 5,668,128  
NSA Merger | Subsequent Event | OP Units    
Business Combination [Line Items]    
Business combination, consideration transferred, equity interest (in shares) 4,100,000  
NSA Merger | Subsequent Event | Series T-1 Preferred Units    
Business Combination [Line Items]    
Business combination, consideration transferred, equity interest (in shares) 660,371  
PS Canada Holding , LLC | Related Party | Forecast    
Business Combination [Line Items]    
Number of self-storage facilities | Property   68
Area of real estate property | ft²   5.3
Business combination, consideration transferred | $   $ 1,200
Earn-out consideration | $   $ 288