SCHEDULE III REAL ESTATE AND ACCUMULATED DEPRECIATION - Rollforward (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cost:
Balance at Beginning of Year	$ 358,130,350	$ 274,334,139	$ 268,970,875
Additions and Improvements	104,043,734	83,796,211	68,274,211
Cost of Real Estate Sold	(10,142,289)		(62,910,947)
Reclassification to Land and Development Costs	11,671,878
Balance at End of Year	463,703,673	358,130,350	274,334,139
Accumulated Depreciation:
Balance at Beginning of Year	21,878,465	14,391,567	14,374,079
Depreciation and Amortization	9,827,154	7,486,898	5,346,538
Depreciation on Real Estate Sold	(2,973,115)		(5,329,050)
Balance at End of Year	$ 28,732,504	$ 21,878,465	$ 14,391,567