Stockholder's Deficit - Stock Option Plan - Additional Information (Details) - USD ($) |
Sep. 30, 2017 |
Dec. 31, 2016 |
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2008 Plan | ||
Class Of Stock [Line Items] | ||
Common stock options available for grant under stock option plan | 28,548,101 | 22,744,090 |
Percentage Of Voting Rights | 10.00% | |
Stock option vesting period | 4 years | |
Stock option term | 10 years | |
2008 Plan | Minimum | 10% Shareholder | ||
Class Of Stock [Line Items] | ||
Stock option fair market value at the date of grant, percent | 110.00% | |
Equity Incentive Plan | ||
Class Of Stock [Line Items] | ||
Shares vested and exercisable, Aggregate intrinsic value | $ 354,849,000 |
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- Definition Percentage of voting rights. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Aggregate number of common shares reserved for future issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest exercisable or convertible options. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Purchase price of common stock expressed as a percentage of its fair value. No definition available.
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