Investment Property and Equipment - Summary of Accumulated Depreciation By Major Classes of Assets (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Total Accumulated Depreciation	$ 140,255,603	$ 117,761,146
Site and Land Improvements [Member]
Total Accumulated Depreciation	99,161,090	85,654,138
Buildings and Improvements [Member]
Total Accumulated Depreciation	4,947,543	4,217,886
Rental Homes and Accessories [Member]
Total Accumulated Depreciation	24,906,990	17,767,602
Equipment and Vehicles [Member]
Total Accumulated Depreciation	$ 11,239,980	$ 10,121,520