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Summary of Net Intangible Assets (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2015
--- | --- | --- | ---
Finite Lived Intangible Assets [Line Items] |  |  |
Net Intangible Assets | $ 83,657 | $ 172,962 |
Tradename |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Net Intangible Assets |  | 74,903 | $ 124,000
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 | 8,267 | 21,101 |
Contract Relationships and Other |  |  |
Finite Lived Intangible Assets [Line Items] |  |  |
Net Intangible Assets | $ 18,164 | $ 19,732 |

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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