INTANGIBLE ASSETS AND LIABILITIES - Summary of Estimated Amortization and Accretion (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Future Amortization Amount
Total Intangible Lease Assets—Net	$ 43,555,445	$ 38,758,059
Future Accretion to Income Property Revenue
Total Intangible Lease Liabilities—Net	(27,390,350)	$ (29,770,441)
Net Future Amortization of Intangible Assets and Liabilities
2019	2,806,597
2020	2,448,439
2021	1,082,207
2022	798,915
2023	732,973
Thereafter	8,295,964
Total	16,165,095
Value of In-Place Leases and Intangible Leasing Costs
Future Amortization Amount
2019	5,312,683
2020	4,882,863
2021	3,492,913
2022	3,177,980
2023	3,085,976
Thereafter	20,241,440
Total Intangible Lease Assets—Net	40,193,855
Value of Below Market, net of Above Market In-Place Leases
Future Accretion to Income Property Revenue
2019	(2,506,086)
2020	(2,434,424)
2021	(2,410,706)
2022	(2,379,065)
2023	(2,353,003)
Thereafter	(11,945,476)
Total Intangible Lease Liabilities—Net	$ (24,028,760)