Debt - Schedule of Company's Outstanding Debt (Parenthetical) (Detail)							12 Months Ended
		Mar. 13, 2024	Oct. 28, 2022	Nov. 09, 2021	Aug. 31, 2018	Feb. 23, 2018 Loan	Dec. 31, 2023 Loan Property
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
Maturity Date	[1]						Feb. 23, 2028
Freddie Mac Courtyard Loan [Member]
Debt Instrument [Line Items]
Debt instrument, interest payment period					4 years		4 years
Amortization period					30 years		30 years
Maturity Date	[2]						Sep. 01, 2028
KeyBank Bridge Loans [Member]
Debt Instrument [Line Items]
Maturity Date			Apr. 30, 2024	Apr. 30, 2023			Apr. 30, 2024	[3]
KeyBank Bridge Loans [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Maturity Date		Jun. 30, 2025

[1] Represents the aggregate of three separate mortgage loans for the three senior housing properties acquired in Utah. Fixed rate debt with interest only payments due monthly for the first two years, then principal and interest on a 30-year amortization schedule beginning March 2020.

[2] Fixed rate debt with interest only payments due monthly for the first four years, then principal and interest on a 30-year amortization schedule beginning September 2022.

[3] The variable rate reflected in the table was the rate in effect as of December 31, 2023. Subsequent to December 31, 2023, on March 13, 2024, we amended the KeyBank Bridge Loans such that the maturity date was further extended to June 30, 2025. Please see Note 9 – Subsequent Events for additional details.