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Description of Business (Details) - community | Jul. 01, 2021 | Jun. 30, 2022
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Segment Reporting Information [Line Items] |  |
Number of senior living communities |  | 674
Operating and financing leases, number of communities |  | 295
Current Property Ownership Status |  |
Segment Reporting Information [Line Items] |  |
Number of communities owned |  | 346
Operating and financing leases, number of communities |  | 295
Number of communities managed by third party |  | 33
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% |

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