v3.26.1
Business and Organization (Details)
ft² in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
ft²
property
tenant
Jun. 30, 2025
property
Jun. 30, 2026
ft²
segment
property
tenant
Jun. 30, 2025
property
Additional disclosures        
Number of reportable segments | segment     1  
Number of business segments | segment     1  
Properties Disposed of by Sale        
Additional disclosures        
Number of properties sold (property) 9 46 28 55
Self-Storage | Properties Disposed of by Sale        
Additional disclosures        
Number of properties sold (property)     11  
Owned Real Estate        
Additional disclosures        
Number of real estate properties (property) 1,748   1,748  
Square footage of real estate properties | ft² 188.0   188.0  
Number of tenants (tenant) | tenant 384   384  
Operating lease term (in years) 12 years 2 months 12 days   12 years 2 months 12 days  
Occupancy rate (as a percent)     98.50%  
Owned Real Estate | Operating Properties        
Additional disclosures        
Number of real estate properties (property) 5   5  
Square footage of real estate properties | ft² 0.5   0.5  
Owned Real Estate | Hotel        
Additional disclosures        
Number of real estate properties (property) 4   4  
Owned Real Estate | Student Housing Properties        
Additional disclosures        
Number of real estate properties (property) 1   1