Real Estate Assets - Summary of Carrying Value of Real Estate Assets (Details) - USD ($)	11 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2017
Real Estate [Abstract]
Beginning balance (Buildings, improvements, and equipment, at cost)	$ 30,795,900	$ 51,156,701
Improvements and equipment additions	180,801	259,078
Acquisition of self storage properties	17,612,576
Newly developed properties opened for operation	2,567,424
Ending balance (Buildings, improvements, and equipment, at cost)	51,156,701	51,415,779
Beginning balance, land	3,413,814	5,493,814
Acquisition of self storage properties	2,080,000
Ending balance, land	5,493,814	5,493,814
Beginning balance, accumulated depreciation		(875,447)
Depreciation expense	(875,447)	(1,382,415)
Ending balance, accumulated depreciation	(875,447)	(2,257,862)
Beginning balance, construction in progress	145,539
Current development	2,470,685	393,832
Newly developed properties opened for operation	(2,567,424)
Transfer to prepaid expenses and other assets	(48,800)
Ending balance, construction in progress		393,832
Total real estate assets	$ 55,775,068	$ 55,045,563