Debt (Details)		9 Months Ended
	Oct. 13, 2022 USD ($) renewal_options community	Sep. 30, 2022 USD ($)
Credit Facilities [Line Items]
Percentage of total debt (as a percent)		93.90%
Interest Rate Swap
Credit Facilities [Line Items]
Derivative purchased amount		$ 6,100,000
Derivative, term		18 months
Notional amount		$ 220,000,000
Derivative fixed interest rate		300.00%
First Mortgage | Subsequent Event
Credit Facilities [Line Items]
Number of communities securing debt | community	24
Number of renewal options | renewal_options	2
Term of renewal option	1 year
Liquidity maintenance amount	$ 130,000,000
Percentage of debt subject to guaranty	25.00%
Mortgage Debt Due 2023 | Subsequent Event
Credit Facilities [Line Items]
Outstanding mortgage debt	$ 199,600,000
Mortgages
Credit Facilities [Line Items]
Mortgage debt		$ 3,600,000,000
Mortgages | First Mortgage | Subsequent Event
Credit Facilities [Line Items]
Debt face amount	$ 220,000,000
Term of SOFR rate	1 month
Term of interest	3 years
Mortgages | First Mortgage | SOFR | Subsequent Event
Credit Facilities [Line Items]
Applicable margin (as a percent)	2.45%
Line of Credit | Fifth Amended and Restated Credit Agreement | Letter of Credit Sublimit
Credit Facilities [Line Items]
Letters of credit issued		72,600,000
Line of Credit | Fifth Amended and Restated Credit Agreement | Letter of Credit
Credit Facilities [Line Items]
Letters of credit issued		13,900,000
Credit facility, maximum borrowing capacity		15,000,000
Line of Credit | Credit Agreement With Capital One, National Association | Revolving Credit Facility
Credit Facilities [Line Items]
Credit facility, maximum borrowing capacity		$ 80,000,000