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Real Estate Assets - Summary of Carrying Value of Real Estate Assets (Details) - USD ($)
9 Months Ended
Sep. 30, 2017
Dec. 31, 2016
Real Estate [Abstract]    
Beginning balance (Self storage properties, at cost) $ 51,156,701  
Improvements and equipment additions 212,973  
Ending balance (Self storage properties, at cost) 51,369,674  
Beginning balance, land 5,493,814  
Ending balance, land 5,493,814  
Beginning balance, accumulated depreciation (875,447)  
Depreciation expense (1,057,305)  
Ending balance, accumulated depreciation (1,932,752)  
Current development 100,389  
Ending balance, construction in progress 100,389  
Total real estate assets at September 30, 2017 $ 55,031,125 $ 55,775,068