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Real Estate Assets - Summary of Carrying Value of Real Estate Assets (Details) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Real Estate [Abstract]    
Land $ 6,122,065 $ 6,122,065
Buildings, improvements, and equipment 60,561,544 60,317,918
Self storage properties 66,683,609 66,439,983
Less: Accumulated depreciation (7,893,388) (6,671,450)
Real estate assets, net $ 58,790,221 $ 59,768,533