Segment Disclosures - Summary of Reportable Segments (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Total revenues	$ 8,381,328	$ 3,561,436
Property operating expenses	(4,998,440)	(1,657,892)
Net operating income	3,382,888	1,903,544
Property operating expenses – affiliates	690,927	111,682
General and administrative	608,205	337,082
Depreciation	1,982,769	1,019,870
Intangible amortization expense	1,837,073	1,973,608
Acquisition expenses – affiliates		55,974
Other property acquisition expenses		164,927
Interest expense	2,585,597	903,182
Interest expense – debt issuance costs	197,573	78,537
Other	(18,847)	(7,698)
Net loss	(4,500,409)	(2,733,620)
Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	2,023,952	2,293,714
Property operating expenses	(985,000)	(923,181)
Net operating income	1,038,952	1,370,533
Property operating expenses – affiliates	238,249	86,182
Depreciation	823,049	808,228
Intangible amortization expense		1,615,800
Interest expense	535,350	535,350
Interest expense – debt issuance costs	26,496	17,031
Other	(2,001)
Net loss	(582,191)	(1,692,058)
Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	6,357,376	1,267,722
Property operating expenses	(4,013,440)	(734,711)
Net operating income	2,343,936	533,011
Property operating expenses – affiliates	452,678	25,500
Depreciation	1,156,782	211,642
Intangible amortization expense	1,837,073	357,808
Acquisition expenses – affiliates		55,974
Other property acquisition expenses		164,927
Interest expense	2,050,247	367,832
Interest expense – debt issuance costs	171,077	61,506
Other	962
Net loss	(3,324,883)	(712,178)
Corporate and Other [Member]
Segment Reporting Information [Line Items]
General and administrative	608,205	337,082
Depreciation	2,938
Other	(17,808)	(7,698)
Net loss	(593,335)	(329,384)
Leasing and leasing related revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	8,228,906	3,395,162
Leasing and leasing related revenues [Member] | Student Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	2,023,952	2,293,714
Leasing and leasing related revenues [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	6,204,954	1,101,448
Other Revenues [Member]
Segment Reporting Information [Line Items]
Total revenues	152,422	166,274
Other Revenues [Member] | Senior Housing [Member]
Segment Reporting Information [Line Items]
Total revenues	$ 152,422	$ 166,274