INTANGIBLE LEASE ASSETS AND LIABILITIES - Components (Details) - USD ($)	Jun. 30, 2019	Dec. 31, 2018
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	$ 63,589,146	$ 58,094,834
Accumulated Amortization	(17,455,931)	(14,539,389)
Total	46,133,215	43,555,445
Intangible Lease Liabilities
Value of Below Market In-Place Leases	(36,148,744)	(35,321,234)
Sub-total Intangible Lease Liabilities	(36,148,744)	(35,321,234)
Accumulated Amortization	9,365,207	7,930,884
Total	(26,783,537)	(27,390,350)
Total Intangible Assets and Liabilities—Net	19,349,678	16,165,095
Value of In-Place Leases
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	42,998,137	39,189,008
Value of Above Market In-Place Leases
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	4,142,965	4,114,715
Value of Intangible Leasing Costs
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	$ 16,448,044	$ 14,791,111