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Fair Value Measurements (Details) - USD ($)
3 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Dicks Sporting Goods Fredericksburg VA        
Fair Value Measurements (Details) [Line Items]        
Property, Plant and Equipment, Gross       $ 2,423,973
Property, Plant, and Equipment, Fair Value Disclosure $ 661,500   $ 972,000 1,593,000
Impairment of Real Estate $ 298,990   $ 611,623 $ 830,973
Advance Auto Middletown OH        
Fair Value Measurements (Details) [Line Items]        
Property, Plant and Equipment, Gross   $ 546,065    
Property, Plant, and Equipment, Fair Value Disclosure   178,750    
Impairment of Real Estate   $ 367,315