Revenue - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Monthly resident fees	$ 29.4	$ 24.1
Revenue recognized	48.3	50.2	$ 54.5
Deferred Revenue and Credits
Disaggregation of Revenue [Line Items]
Deferred revenue	$ 53.8	$ 48.3
Government reimbursement | Revenue Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue (as percent)	4.80%	4.80%	5.10%
CCRCs | Government reimbursement | Revenue Benchmark | Customer Concentration Risk
Disaggregation of Revenue [Line Items]
Revenue (as percent)	15.50%	16.90%	18.00%