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Schedule of Unaudited Pro Forma Consolidated Results of Operations (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Business Acquisition [Line Items] |  |  |  |
Total Revenue | $ 145,125 | $ 181,080 | $ 278,282 | $ 320,262
Net Income | $ 11,117 | $ 35,108 | $ 23,306 | $ 43,361
Net Income per share | $ 0.43 | $ 1.37 | $ 0.91 | $ 1.70

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- Definition The pro forma basic net income per share for a 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=56956515&loc=d3e1392-128463 + Details
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