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Basis of Presentation - Merger - Additional Information (Detail) - Memorial | Sep. 16, 2016 shares
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Business Acquisition Equity Interests Issued Or Issuable [Line Items] |
Common stock issued in connection with exchange of outstanding shares | 77,042,749
Exchange ratio of common shares for acquired company | 0.375

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- Definition The number of shares the acquirer distributed for each validly tendered share of the acquired company. The fixed exchange ratio was calculated in accordance with the merger agreement. + 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 Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Details
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