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Equity Incentive Awards - Narrative (Details) | 12 Months Ended
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Dec. 31, 2018 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Stock Option Exercise Price as Percent of Value of Common Stock | 100.00%
Total Shares That May be Issued, Equity Incentive Plan | 15,000,000
Options Outstanding, Equity Incentive Plan | 5,953,831
Restricted Stock Units Outstanding, Equity Incentive Plan | 1,285,752
Stock Options Exercised, Equity Incentive Plan | 1,909,515
Shares Issued Pursuant to Restricted Stock Units, Equity Incentive Plan | 1,451,648
Shares Issued Pursuant to Stock Bonus Awards, Equity Incentive Plan | 113,940
Total value of shares by nonemployee in a year | $ | $ 500,000
Total Shares That May Be Issued, Non-Employee Directors Equity Incentive Plan | 600,000
Options Outstanding, Non-Employee Directors Equity Incentive Plan | 198,551
Stock Options Exercised, Non-Employee Directors Equity Incentive Plan | 0
Shares Issued Pursuant to Restricted Stock Awards, Non-Employee Directors Equity Incentive Plan | 103,208
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | 7,438,134
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | 4,583,555
Stock Options |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period | 4 years
Award term | 10 years
Restricted Stock | Minimum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period | 3 years
Restricted Stock | Maximum |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period | 4 years

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- Definition Options to purchase shares outstanding under the Equity Incentive Plan. + References No definition available. + Details
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- Definition Options to purchase shares outstanding under the Non-Employee Directors Equity Incentive Plan. + References No definition available. + Details
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- Definition Restricted stock units outstanding under the Equity Incentive Plan. + References No definition available. + Details
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- Definition Shares issued pursuant to restricted stock awards under the Non-Employee Directors Equity Incentive Plan. + References No definition available. + Details
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- Definition Shares issued pursuant to restricted stock units under the Equity Incentive Plan. + References No definition available. + Details
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- Definition Shares issued pursuant to stock bonus awards or restricted stock awards under the Equity Incentive Plan. + References No definition available. + Details
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- Definition Incentive and nonstatutory stock options have an exercise price of 100% or more of the fair market value of common stock on the date of grant. + References No definition available. + Details
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- Definition Shares issued upon the exercise of stock options under the Equity Incentive Plan. + References No definition available. + Details
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- Definition Shares issued upon the exercise of stock options under the Non-Employee Directors Equity Incentive Plan. + References No definition available. + Details
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- Definition The total number of shares of common stock that may be issued pursuant to stock awards under the Equity Incentive Plan. + References No definition available. + Details
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- Definition The total number of shares of common stock that may be issued pursuant to stock awards under the Non-Employee Directors Equity Incentive Plan. + References No definition available. + Details
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- Definition Total value of shares by nonemployee in a year - represents amounts under which non-employee director may be granted awards under the Non-Employee Directors Equity Incentive Plan such that the aggregate grant date fair value may not exceed $500,000 in any calendar year + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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. + References No definition available. + 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). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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