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Summary of Selected Financial Information of the Company on a Pro Forma Basis (Detail) $ / shares in Units, $ in Thousands | 3 Months Ended
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Mar. 31, 2017 USD ($) $ / shares
Business Acquisition Pro Forma Information [Abstract] |
Revenues | $ 530,787
Net loss | $ (69,944)
Loss per share | $ / shares | $ (0.32)

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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. + 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 (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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