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Lease Intangibles - Additional Information (Details) - USD ($)
6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Finite Lived Intangible Assets [Line Items]    
Lease intangibles, net $ 2,456,569 $ 2,861,474
Below-market leases, net $ 401,386 495,927
Weighted average [Member]    
Finite Lived Intangible Assets [Line Items]    
Finite-lived intangible assets, remaining amortization period 3 years 1 month 6 days  
Real Estate Assets Held for Sale [Member]    
Finite Lived Intangible Assets [Line Items]    
Lease intangibles, net $ 953,062 $ 1,000,618