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Stock-Based Compensation - Summary of Restricted Stock Unit Activity (Parenthetical) (Detail) | 12 Months Ended
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Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of restricted unit vest and convert into common stock over next fiscal year | 11,765
Number of restricted unit would vest over vesting period | 55,000
Restricted stock units vested description after specified period | 25
Restricted stock unit vest description | 55,000 of these restricted stock units vest and convert into shares of our common stock after one year from the date of grant. 2,355,200 of these restricted stock units vest and convert into shares of our common stock over a four year period from the date of grant one-fourth of the award will vest on each grant date anniversary following the grant.
Restricted Stock [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period of grant date | 1 year
Number of restricted unit would vest over vesting period | 2,355,200
Restricted Stock Two [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Restricted stock units vest and convert into shares of our common stock | 4 years

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- Definition Number Of Restricted Unit Vest Over Next Fiscal Year + References No definition available. + Details
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- Definition Restricted Stock Units Vested Description After Specified Period + References No definition available. + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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