Annual report pursuant to Section 13 and 15(d)

Real Estate Assets - Additional Information (Details)

v3.19.1
Real Estate Assets - Additional Information (Details) - ft²
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Merrillville, IN    
Real Estate Properties [Line Items]    
Expansion completion date   2018-01
Gross square feet of traditional drive-up storage units and all-climate-controlled units   13,300
Millbrook, NY    
Real Estate Properties [Line Items]    
Estimate for expansion relating to construction cost   The planning for the Millbrook, NY expansion is underway and the Company is actively evaluating proposals for its construction. As of December 31, 2018, development costs for these projects have been capitalized while the projects that are under construction and are reflected in real estate assets, net on the Company’s consolidated balance sheet.
Millbrook, NY | Scenario, Forecast    
Real Estate Properties [Line Items]    
Gross square feet of traditional drive-up storage units and all-climate-controlled units 16,500