Debt - Schedule of Company's Outstanding Debt (Parenthetical) (Detail)				6 Months Ended
	Jan. 06, 2022 USD ($)	Aug. 31, 2018	Feb. 23, 2018 Loan	Jun. 30, 2022 USD ($) Loan Property
Debt Instrument [Line Items]
Repayment of loan				$ 17,000,000
Freddie Mac Utah Loans [Member]
Debt Instrument [Line Items]
Debt instrument, interest payment period			2 years	2 years
Amortization period			30 years	30 years
Number of mortgage loans | Loan			3	3
Number of senior housing properties acquired | Property				3
Freddie Mac Courtyard Loan [Member]
Debt Instrument [Line Items]
Debt instrument, interest payment period		4 years		4 years
Amortization period		30 years		30 years
KeyBank Bridge Loans [Member]
Debt Instrument [Line Items]
Repayment of loan	$ 17,000,000
Nationwide Mortgage Loan [Member] | Tallahassee Property [Member]
Debt Instrument [Line Items]
Repayment of loan	$ 23,500,000