Description of Business (Details) - community	Jul. 01, 2021	Sep. 30, 2022
Segment Reporting Information [Line Items]
Operating and financing leases, number of communities		295
Current Property Ownership Status
Segment Reporting Information [Line Items]
Number of senior living communities		672
Number of communities owned		346
Operating and financing leases, number of communities		295
Number of communities managed by third party		31
Securities Purchase Agreement | HCA Healthcare, Inc. | Health Care Services
Segment Reporting Information [Line Items]
Sale of stock, percentage of ownership sold in transaction (as a percent)	80.00%
Sale of stock, percentage of ownership after transaction (as a percent)	20.00%