INTANGIBLE LEASE ASSETS AND LIABILITIES - Components (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	$ 53,017,216	$ 50,198,683
Accumulated Amortization	(15,904,937)	(11,440,624)
Total Intangible Lease Assets—Net	37,112,279	38,758,059
Intangible Lease Liabilities
Value of Below Market In-Place Leases	(36,109,518)	(35,312,017)
Sub-total Intangible Lease Liabilities	(36,109,518)	(35,312,017)
Accumulated Amortization	7,694,199	5,541,576
Total Intangible Lease Liabilities—Net	(28,415,319)	(29,770,441)
Total Intangible Assets and Liabilities—Net	8,696,960	8,987,618
Value of In-Place Leases
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	38,046,241	36,827,226
Value of Above Market In-Place Leases
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	2,966,322	2,966,322
Value of Intangible Leasing Costs
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	$ 12,004,653	$ 10,405,135