Acquisitions and divestitures.

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- Definition

Number of hospital facilities.

+ References

No definition available.

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- Definition

Return of reserve capital to purchase minority ownership interests.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 55
-Paragraph 37
-URI http://asc.fasb.org/extlink&oid=84160947&loc=d3e2207-128464

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84161108&loc=d3e4845-128472

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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/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Dispositions and Acquisitions and Purchase of Third-Party Ownership Interests - Additional Information (Detail) $ in Thousands	1 Months Ended	6 Months Ended
	May 31, 2016 USD ($) Hospital	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Acquisitions And Divestitures [Line Items]
Acquisition of property and businesses		$ 19,610	$ 27,525
Las Vegas, Nevada \| Acute Care Hospital Services
Acquisitions And Divestitures [Line Items]
Payments to purchase minority ownership interests	$ 445,000
Number of hospital facilities \| Hospital	6
Purchase price of minority ownership interests	$ 418,000
Return of reserve capital to purchase of minority ownership interests	$ 27,000
Las Vegas, Nevada \| Acute Care Hospital Services \| Minimum
Acquisitions And Divestitures [Line Items]
Ownership interests purchased	26.10%
Las Vegas, Nevada \| Acute Care Hospital Services \| Maximum
Acquisitions And Divestitures [Line Items]
Ownership interests purchased	27.50%