Summary of Significant Accounting Policies - Additional Information (Detail)		12 Months Ended
	Jul. 10, 2019	Dec. 31, 2023 USD ($) Property	Dec. 31, 2022 USD ($) Property	Dec. 31, 2021 USD ($)
Summary of Significant Accounting Policies [Line Items]
Number of properties acquired | Property		0	0
Impairment loss on long-lived assets		$ 0	$ 0
Revenues		$ 37,668,525	34,430,834	$ 34,270,414
Days allowed for lease cancellation		30 days
Allowance for doubtful accounts		$ 50,000	70,000
Advertising cost		900,000	900,000	900,000
Other income related to stimulus grants		0	0	800,000
Debt issuance costs		$ 693,229	1,000,000.0
Offering cost as percentage of gross offering proceeds		1.00%
Maximum period for reimbursement of offering expenses		60 days
Due to affiliates		$ 2,579,228	1,403,388	2,637,266
Minimum percentage of ordinary taxable income to be distributed to stockholders		90.00%
Deferred tax asset, net operating loss		$ 6,007,314	4,976,303
Deferred tax assets, net		6,097,604	5,249,630
Consolidated pretax net loss		$ (11,100,000)	$ (500,000)	$ (10,500,000)
Effective tax rate		0.00%	0.00%	0.00%
Uncertain tax positions		$ 0	$ 0
Unrecognized tax benefits, interest or penalties		0	0
Federal [Member]
Summary of Significant Accounting Policies [Line Items]
Net operating losses		$ 23,200,000
Open tax year		2019 2020 2021 2022
State [Member]
Summary of Significant Accounting Policies [Line Items]
Net operating losses		$ 32,800,000
Open tax year		2019 2020 2021 2022
State [Member] | Earliest Tax Year [Member]
Summary of Significant Accounting Policies [Line Items]
Net operating losses expiration year		2033
State [Member] | Latest Tax Year [Member]
Summary of Significant Accounting Policies [Line Items]
Net operating losses expiration year		2037
Advisor [Member]
Summary of Significant Accounting Policies [Line Items]
Maximum period for reimbursement of offering expenses		60 days
Select Capital Corporation (Dealer Manager) [Member]
Summary of Significant Accounting Policies [Line Items]
Due to affiliates		$ 0
Class Y and Z Common Stock [Member]
Summary of Significant Accounting Policies [Line Items]
Offering cost as percentage of gross offering proceeds		1.00%
Minimum offering cost rate		1.00%
Maximum offering cost rate		1.00%
Class Y Common Stock [Member] | Select Capital Corporation (Dealer Manager) [Member]
Summary of Significant Accounting Policies [Line Items]
Sale commission fees percentage of proceed from Primary Offering	3.00%	3.00%
Dealer manager fees percentage of proceed from sales in primary portion of offering	3.00%	3.00%
Class T Common Stock [Member] | Select Capital Corporation (Dealer Manager) [Member]
Summary of Significant Accounting Policies [Line Items]
Sale commission fees percentage of proceed from Primary Offering		3.00%
In-Place Leases [Member]
Summary of Significant Accounting Policies [Line Items]
Gross amount of lease intangibles		$ 19,600,000	19,600,000
Accumulated amortization of lease intangibles		19,600,000	19,600,000
Student Housing [Member]
Summary of Significant Accounting Policies [Line Items]
Revenues		5,076,260	4,522,789	$ 8,090,778
Senior Housing [Member]
Summary of Significant Accounting Policies [Line Items]
Revenues		$ 32,592,265	29,908,045	26,179,636
Geographic Concentration Risk [Member] | Rental Income [Member] | Arkansas [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage		15.00%
Geographic Concentration Risk [Member] | Rental Income [Member] | Utah [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage		39.00%
Geographic Concentration Risk [Member] | Rental Income [Member] | Oregon [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage		46.00%
Revenue from Rights Concentration [Member] | Rental Income [Member] | Student Housing [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage		0.00%
Revenue from Rights Concentration [Member] | Rental Income [Member] | Senior Housing [Member]
Summary of Significant Accounting Policies [Line Items]
Concentration risk, percentage		0.00%
Maximum [Member]
Summary of Significant Accounting Policies [Line Items]
Initial term of lease		12 months
Maximum [Member] | Advisor [Member]
Summary of Significant Accounting Policies [Line Items]
Percentage of organization and offering expenses funded by our advisor		1.00%
Maximum [Member] | Furniture, Fixtures and Equipment [Member]
Summary of Significant Accounting Policies [Line Items]
Standard depreciable life		7 years
Minimum [Member] | Class Y and Z Common Stock [Member]
Summary of Significant Accounting Policies [Line Items]
Percentage of organization and offering expenses funded by our advisor		1.00%
Minimum [Member] | Furniture, Fixtures and Equipment [Member]
Summary of Significant Accounting Policies [Line Items]
Standard depreciable life		3 years
Leasing and Related Revenues - Senior [Member]
Summary of Significant Accounting Policies [Line Items]
Revenues		$ 300,000	$ 400,000	$ 300,000