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Fair Value Measurements (Details) - USD ($)
3 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dicks Sporting Goods Fredericksburg VA      
Fair Value Measurements (Details) [Line Items]      
Property, Plant and Equipment, Gross     $ 1,583,623
Property, Plant, and Equipment, Fair Value Disclosure $ 661,500   972,000
Impairment of Real Estate $ 298,990   $ 611,623
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