Major Tenants (Details) - Major Tenants - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Revenue, Major Customer [Line Items]
Major Tenants	$ 539,178	$ 727,904
Aggregate rental income of major tenants as a percentage of total rental income	75.00%	76.00%
Best Buy Stores LP
Revenue, Major Customer [Line Items]
Major Tenants	$ 204,421	$ 156,662
Dollar Tree Stores Inc
Revenue, Major Customer [Line Items]
Major Tenants	137,084	137,084
Zales Delaware Inc
Revenue, Major Customer [Line Items]
Major Tenants	99,784	98,024
Fresenius Medical Care of Illinois
Revenue, Major Customer [Line Items]
Major Tenants	97,889	0
Dicks Sporting Goods Inc
Revenue, Major Customer [Line Items]
Major Tenants	0	232,950
Apple Indiana II LLC
Revenue, Major Customer [Line Items]
Major Tenants	$ 0	$ 103,184