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Leases and Management Agreements with Five Star - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenues | $ 410,311 | $ 262,003 | $ 852,778 | $ 528,289
Basic housing and support services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenues | 218,783 | 89,082 | 450,299 | 176,494
Medicare and Medicaid programs |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenues | 42,910 | 7,686 | 92,578 | 16,431
Private pay and other third party payer SNF services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenues | 42,411 | 12,138 | 93,196 | 24,026
Residents fees and services |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total revenues | $ 304,104 | $ 108,906 | $ 636,073 | $ 216,951

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