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Fair Value Measurements (Details) - USD ($)
3 Months Ended
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   $ 972,000 1,593,000
Impairment of Real Estate   $ 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