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Real Estate Investments (Details) - Acquired Lease Intangibles - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Leases, Acquired-in-Place [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Cost $ 684,701 $ 621,258
Lease Intangibles Accumulated Amortization    
Acquired Finite-Lived Intangible Assets [Line Items]    
Accumulated Amortization 475,139 446,395
Accumulated Amortization 39,189 31,081
Off Market Unfavorable Lease    
Acquired Finite-Lived Intangible Assets [Line Items]    
Cost $ 80,404 $ 80,404