Segment Disclosures - Summary of Total Assets by Segment (Detail) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 256,912,971	$ 259,539,727
Student Housing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	88,195,092	88,740,898
Senior Housing [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	161,155,670	162,477,624
Corporate and Other [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 7,562,209	$ 8,321,205