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Fair Value of Financial Instruments - Summary of Change in Estimated Fair Value of Company's Level 3 Financial Instrument (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Jun. 30, 2014 | Jun. 30, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Balance beginning |  | $ 24,525 |
Fair value of private placement warrants exercised |  | (7,320) |
Change in the value of contingent consideration | 900 |  |
Change in the value of private placement warrants |  | (332) | 9,053
Balance ending | 16,873 | 16,873 |
Level 3 [Member] | Contingent Consideration [Member] |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |
Balance beginning |  | 8,900 |
Change in the value of contingent consideration |  | (900) |
Balance ending | $ 8,000 | $ 8,000 |

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- Definition Fair Value Measurement With Unobservable Inputs Change In Warrant Liability Due To Exercise Of Private Placement Warrants + References No definition available. + Details
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- Definition Fair Value Measurement With Unobservable Inputs Reconciliations Recurring Basis Change In Fair Value Of Contingent Consideration + References No definition available. + Details
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- Definition Amount of increase (decrease) of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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