Major Tenants (Details) - Major Tenants - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenue, Major Customer [Line Items]
Major Tenants	$ 586,431	$ 539,178
Aggregate rental income of major tenants as a percentage of total rental income	88.00%	75.00%
Best Buy Stores LP
Revenue, Major Customer [Line Items]
Major Tenants	$ 240,427	$ 204,421
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	108,584	99,784
Fresenius Medical Care of Illinois
Revenue, Major Customer [Line Items]
Major Tenants	$ 100,336	$ 97,889