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Summary of Net Intangible Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Finite Lived Intangible Assets [Line Items] |  |
Net Intangible Assets | $ 82,586 | $ 83,657
Medicare Licenses |  |
Finite Lived Intangible Assets [Line Items] |  |
Net Intangible Assets | 57,226 | 57,226
Certificates of Need |  |
Finite Lived Intangible Assets [Line Items] |  |
Net Intangible Assets | 8,253 | 8,267
Contract Relationships and Other |  |
Finite Lived Intangible Assets [Line Items] |  |
Net Intangible Assets | $ 17,107 | $ 18,164

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