Debt - 2024, 2023 and 2022 Financing (Details)		1 Months Ended
	Feb. 09, 2024 USD ($) community renewal_option	Dec. 31, 2023 USD ($) community	Oct. 31, 2022 USD ($) renewal_option community
Interest Rate Swap
Debt Instrument [Line Items]
Derivative liability			$ 6,100,000
Derivative, notional amount			$ 220,000,000
Derivative, fixed interest rate (as percent)			3.00%
Derivative, term of contract (in months)			18 months
First Mortgage
Debt Instrument [Line Items]
Number of communities securing debt | community		47	24
Number of debt renewal options | renewal_option			2
Debt instrument, term of renewal option			1 year
Debt instrument, liquidity maintenance amount			$ 130,000,000
Debt instrument, percentage of debt subject to guaranty			25.00%
First Mortgage | Subsequent event
Debt Instrument [Line Items]
Number of communities securing debt | community	11
Number of debt renewal options | renewal_option	2
Debt instrument, term of renewal option	1 year
First Mortgage | Mortgages
Debt Instrument [Line Items]
Debt face amount		$ 179,500,000	$ 220,000,000
Interest rate (as percent)		5.97%
Debt instrument, term of interest (in years)			3 years
First Mortgage | Mortgages | Subsequent event
Debt Instrument [Line Items]
Debt face amount	$ 50,000,000
First Mortgage | Mortgages | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Basis spread on variable rate basis (as percent)			2.45%
First Mortgage | Mortgages | Secured Overnight Financing Rate (SOFR) | Subsequent event
Debt Instrument [Line Items]
Basis spread on variable rate basis (as percent)	3.50%
Secured Debt | Mortgages
Debt Instrument [Line Items]
Debt face amount		$ 580,400,000
Mortgage Debt Due 2024
Debt Instrument [Line Items]
Repayment of debt		$ 260,100,000
Mortgage Debt Due 2023
Debt Instrument [Line Items]
Repayment of debt			$ 199,600,000