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Stock-Based Compensation - Additional Information (Details) (USD $)
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3 Months Ended | 6 Months Ended | 6 Months Ended | |||||||
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
Employee Stock Option
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Jun. 30, 2014
RSUs
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Mar. 31, 2014
RSUs
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Jun. 30, 2014
Stock Options to Non-employees
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Jun. 30, 2014
Stock Options to Non-employees
Restricted Shares
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Jun. 30, 2014
2012 Plan
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| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||||||||||
| Shares issuable with respect to awards granted | 3,000,000 | |||||||||
| Shares available for grant | 845,708 | |||||||||
| Number of stock options granted during the period | 205,392 | 0 | 155,387 | |||||||
| Fair value of shares vested | $ 216,000 | |||||||||
| Restricted stock units granted during period | 1,730,714 | 50,000 | ||||||||
| Unrecognized Stock-Based Compensation | 3,803,000 | 3,803,000 | 335,000 | 3,468,000 | 10,000,000 | |||||
| Number of stock options exchanged for RSUs | 93,968 | |||||||||
| Incremental fair value | 758,000 | |||||||||
| Stock-based compensation expense | $ 7,420,000 | $ 297,000 | $ 8,824,000 | $ 343,000 | $ 719,000 | |||||
| X | ||||||||||
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- Definition
Number of stock options exchanged for restricted stock units in period. No definition available.
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- Definition
Share based compensation arrangement by share based payment award options grants in stock option exchange in period fair value incremental. No definition available.
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- Definition
Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Unrecognized cost of unvested share-based compensation awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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