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Business Combinations - Pro forma results of operations (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended
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Mar. 31, 2014 | Mar. 31, 2013
Business Combinations [Abstract] |  |
Net revenue | $ 107,989 | $ 94,621
Net income (loss) | 518 | (606)
Net loss attributable to common stockholders | $ (19,379) | $ (2,093)
Net loss per share attributable to common stockholders (basic and diluted) | $ (0.75) | $ (0.09)

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- Definition Business Acquisitions Pro Forma Net Income Loss Attributable To Common Stockholders + References No definition available. + Details
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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=25497992&loc=d3e1392-128463 + Details
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the 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=25497992&loc=d3e1392-128463 + Details
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