Investment Property and Equipment - Summary of Accumulated Depreciation By Major Classes of Assets (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Total Accumulated Depreciation	$ 197,208,363	$ 166,444,512
Site and Land Improvements [Member]
Total Accumulated Depreciation	132,121,312	114,617,282
Buildings and Improvements [Member]
Total Accumulated Depreciation	6,689,648	5,779,146
Rental Homes and Accessories [Member]
Total Accumulated Depreciation	44,337,715	33,621,420
Equipment and Vehicles [Member]
Total Accumulated Depreciation	$ 14,059,688	$ 12,426,664