INTANGIBLE LEASE ASSETS AND LIABILITIES - Summary of Estimated Amortization and Accretion (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Future Amortization Amount
Total Intangible Lease Assets—Net	$ 40,099,046	$ 38,758,059
Future Accretion to Income Property Revenue
Total Intangible Lease Liabilities—Net	(29,863,752)	$ (29,770,441)
Net Future Amortization of Intangible Assets and Liabilities
Remainder of 2018	2,375,901
2019	3,153,194
2020	2,778,501
2021	937,211
2022	248,122
2023	(103,500)
Thereafter	845,865
Total	10,235,294
Value of In-Place Leases and Intangible Leasing Costs
Future Amortization Amount
Remainder of 2018	4,110,921
2019	5,452,670
2020	5,011,249
2021	3,320,813
2022	2,702,885
2023	2,359,734
Thereafter	15,159,268
Total Intangible Lease Assets—Net	38,117,540
Value of Below Market, net of Above Market In-Place Leases
Future Accretion to Income Property Revenue
Remainder of 2018	(1,735,020)
2019	(2,299,476)
2020	(2,232,748)
2021	(2,383,602)
2022	(2,454,763)
2023	(2,463,234)
Thereafter	(14,313,403)
Total Intangible Lease Liabilities—Net	$ (27,882,246)