Tenant in Common Investment - Condensed Income Statement of Tenant in Common Investment (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Tenant in Common Investment [Line Items]
Total revenue	$ 1,033,494	$ 871,825	$ 2,958,572	$ 2,630,067
Total operating expenses	1,305,594	1,275,028	3,870,040	3,627,182
Operating income	$ (272,100)	$ (403,203)	(911,468)	$ (997,115)
Tenancy In Common
Tenant in Common Investment [Line Items]
Total revenue			48,757
Total operating expenses			35,862
Operating income			12,895
Tenancy In Common | Company Portion
Tenant in Common Investment [Line Items]
Total revenue			17,943
Total operating expenses			13,193
Operating income			$ 4,750