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Supplemental Disclosure of Cash Flow Information - Additional Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) community | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($)
Related Party Transaction [Line Items] |  |  |
Net cash paid for termination of operating leases |  | $ 0 | $ 33,596
Joint Venture |  |  |
Related Party Transaction [Line Items] |  |  |
Payments to acquire interest in joint venture | $ 13,300 |  |
Number of communities owned | community | 3 |  |
Percentage ownership | 50.00% |  |
Promissory Note | Joint Venture |  |  |
Related Party Transaction [Line Items] |  |  |
Notes receivable | $ 6,600 |  |
Lease termination And modification, net |  |  |
Related Party Transaction [Line Items] |  |  |
Net cash paid for termination of operating leases |  | 46,600 |
Payments (proceeds) for termination of capital and financing leases, financing activities |  | $ 12,500 |

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