Quarterly report pursuant to Section 13 or 15(d)

Real Estate Assets - Additional Information (Details)

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Real Estate Assets - Additional Information (Details) - ft²
1 Months Ended 3 Months Ended 6 Months Ended
Feb. 29, 2020
Sep. 30, 2020
Jun. 30, 2020
McCordsville, IN      
Real Estate Properties [Line Items]      
Gross square feet of traditional drive-up storage units and all-climate-controlled units     13,713
McCordsville, IN | Scenario Forecast      
Real Estate Properties [Line Items]      
Number of leasable unit   7,300  
Millbrook, NY      
Real Estate Properties [Line Items]      
Gross square feet of traditional drive-up storage units and all-climate-controlled units 11,800