Intangible Lease Assets and Liabilities - Schedule of Intangible Lease Assets and Liabilities (Detail) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	$ 36,078,260	$ 24,892,943
Accumulated Amortization	(5,076,176)	(4,805,792)
Sub-total Intangible Lease Assets—Net	31,002,084	20,087,151
Value of Below Market In-Place Leases	(33,142,746)	(32,315,741)
Sub-total Intangible Lease Liabilities	(33,142,746)	(32,315,741)
Accumulated Amortization	2,222,773	336,182
Sub-total Intangible Lease Liabilities—Net	(30,919,973)	(31,979,559)
Total	82,111	(11,892,408)
Value of In-Place Leases [Member]
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	28,787,992	19,588,642
Value of Above Market In-Place Leases [Member]
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	1,198,228	1,469,143
Value of Intangible Leasing Costs [Member]
Intangible Assets And Liabilities [Line Items]
Sub-total Intangible Lease Assets	$ 6,092,040	$ 3,835,158