Real Estate Investments (Details) - Real Estate Held for Investment	Dec. 31, 2020 USD ($)
Property, Plant and Equipment [Line Items]
Land	$ 2,848,286
Buildings	7,714,695
Total	10,562,981
Accumulated Depreciation	3,225,388
Biomat Wichita KS
Property, Plant and Equipment [Line Items]
Land	507,489
Buildings	1,277,436
Total	1,784,925
Accumulated Depreciation	817,485
Advance Auto Parts Middletown OH
Property, Plant and Equipment [Line Items]
Land	18,854
Buildings	557,744
Total	576,598
Accumulated Depreciation	494,098
Cellular Connection Bluffton IN
Property, Plant and Equipment [Line Items]
Land	344,008
Buildings	836,108
Total	1,180,116
Accumulated Depreciation	448,996
Best Buy Eau Claire WI
Property, Plant and Equipment [Line Items]
Land	803,535
Buildings	2,158,403
Total	2,961,938
Accumulated Depreciation	836,994
Fresenius Medical Center Chicago IL
Property, Plant and Equipment [Line Items]
Land	464,400
Buildings	665,142
Total	1,129,542
Accumulated Depreciation	159,626
Zales Enid OK
Property, Plant and Equipment [Line Items]
Land	440,000
Buildings	903,630
Total	1,343,630
Accumulated Depreciation	209,335
Dollar Tree West Point MS
Property, Plant and Equipment [Line Items]
Land	270,000
Buildings	1,316,232
Total	1,586,232
Accumulated Depreciation	$ 258,854