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Dispositions and Acquisitions - Additional Information (Detail) | 9 Months Ended
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Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($) Facility Bed
Business Acquisition [Line Items] |  |
Acquisition, cash paid | $ 0 | $ 108,000,000
Located in U.K. |  |
Business Acquisition [Line Items] |  |
Aggregate cash proceeds from divestiture of businesses |  | $ 14,000,000
Number of beds | Bed |  | 18
Danshell Group [Member] | Located in U.K. |  |
Business Acquisition [Line Items] |  |
Number of behavioral health care facilities | Facility |  | 25
Gulfport Behavioral Health System | Located in Gulfport |  |
Business Acquisition [Line Items] |  |
Number of beds | Bed |  | 109
Behavioral Health Care Facility |  |
Business Acquisition [Line Items] |  |
Aggregate cash proceeds from divestiture of businesses | $ 7,000,000 |

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- Definition Number of beds available in acquired hospital in business acquisition. + References No definition available. + Details
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- Definition Number of beds available in divested hospital in business divestitures. + References No definition available. + Details
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- Definition Number of behavioral health care facilities. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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- Definition This element represents the cash inflow during the period from the sale of a component of the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585 + Details
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- Details
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- Details
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