Segment Disclosures - Summary of Reportable Segments (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Total revenues	$ 23,372,722	$ 3,651,331
Property operating expenses	(13,787,526)
Net operating income	9,585,196
Property operating expenses – affiliates	1,547,821	135,163
General and administrative	1,822,190	579,034
Depreciation	5,898,283	1,254,849
Intangible amortization expense	8,027,531	2,532,360
Acquisition expenses – affiliates	154,136	2,310,020
Other property acquisition expenses	323,906	626,001
Interest expense	6,685,130	1,106,924
Interest expense – debt issuance costs	773,355	824,877
Other	73,625	8,145
Net loss	(15,720,781)	(7,062,210)
Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	21,301,398
Other Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	2,071,324
Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	8,422,326	3,651,331
Property operating expenses	(4,252,853)	$ (1,336,168)
Net operating income	4,169,473
Property operating expenses – affiliates	672,831
Depreciation	3,250,047
Intangible amortization expense	3,743,639
Interest expense	2,141,400
Interest expense – debt issuance costs	68,126
Other	(1,598)
Net loss	(5,704,972)
Student Housing [Member] | Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	8,422,326
Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	14,950,396
Property operating expenses	(9,534,673)
Net operating income	5,415,723
Property operating expenses – affiliates	874,990
Depreciation	2,640,712
Intangible amortization expense	4,283,892
Acquisition expenses – affiliates	154,136
Other property acquisition expenses	323,906
Interest expense	4,543,730
Interest expense – debt issuance costs	705,229
Other	67,459
Net loss	(8,178,331)
Senior Housing [Member] | Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	12,879,072
Senior Housing [Member] | Other Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	2,071,324
Corporate and Other [Member]
Segment Reporting Information [Line Items]
General and administrative	1,822,190
Depreciation	7,524
Other	7,764
Net loss	$ (1,837,478)