Intangibles - Components of Gross Carrying Amount and Accumulated Amortization of Intangible Assets (Detail) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Intangible assets:
Total intangible assets	$ 22,686,665	$ 22,686,665
Total accumulated amortization	(2,993,739)	(1,876,930)
Intangible assets, net	19,692,926	20,809,735
In-Place Lease Intangibles [Member]
Intangible assets:
Total intangible assets	22,234,766	22,234,766
Total accumulated amortization	(2,904,116)	(1,802,455)
Intangible assets, net	19,330,650
Above-Market Lease Intangibles [Member]
Intangible assets:
Total intangible assets	451,899	451,899
Total accumulated amortization	(89,623)	$ (74,475)
Intangible assets, net	$ 362,276