Segment Disclosures - Summary of Reportable Segments (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Segment Reporting Information [Line Items]
Total revenues	$ 5,990,993	$ 1,324,885	$ 14,912,362	$ 1,379,330
Property operating expenses			(8,562,961)
Net operating income			6,349,401
Property operating expenses – affiliates	485,587	47,792	866,256	49,336
General and administrative	490,894	201,556	1,330,307	291,521
Depreciation	1,559,979	433,862	3,934,413	447,896
Intangible amortization expense	1,841,542	885,401	6,311,376	916,560
Acquisition expenses – affiliates	57,538	977,081	148,736	2,225,762
Other property acquisition expenses	34,602	203,598	304,483	380,958
Interest expense	1,804,072	496,608	4,110,085	516,651
Interest expense – debt issuance costs	216,022	464,841	540,404	480,069
Other	31,154	2,803	64,003	9,402
Net loss	(4,440,566)	(2,955,003)	(11,260,662)	(4,519,817)
Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues			13,734,878
Other Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues			1,177,484
Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	1,841,243	1,324,885	6,415,533	1,379,330
Property operating expenses	(1,218,285)	$ (566,346)	(3,106,101)	$ (580,992)
Net operating income			3,309,432
Property operating expenses – affiliates			441,782
Depreciation			2,432,839
Intangible amortization expense			3,743,640
Interest expense			1,606,050
Interest expense – debt issuance costs			51,094
Net loss			(4,965,973)
Student Housing [Member] | Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues			6,415,533
Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	4,149,750		8,496,829
Property operating expenses	$ (2,691,884)		(5,456,860)
Net operating income			3,039,969
Property operating expenses – affiliates			424,474
Depreciation			1,497,267
Intangible amortization expense			2,567,736
Acquisition expenses – affiliates			148,736
Other property acquisition expenses			304,483
Interest expense			2,504,035
Interest expense – debt issuance costs			489,310
Other			64,699
Net loss			(4,960,771)
Senior Housing [Member] | Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues			7,319,345
Senior Housing [Member] | Other Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues			1,177,484
Corporate and Other [Member]
Segment Reporting Information [Line Items]
General and administrative			1,330,307
Depreciation			4,307
Other			(696)
Net loss			$ (1,333,918)