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Stock-Based Compensation - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2020 shares
2006 Plan and 2016 Plan | Outstanding options and RSUs granted (RSUs) |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Shares subject to outstanding options and RSUs (in shares) | 5,246,381
2016 Plan |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares of common stock authorized for issuance (in shares) | 8,790,000
Number of shares of common stock available for future grant (in shares) | 3,991,612

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- Definition Number of shares authorized for issuance under share-based payment arrangement. + 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=116856206&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=116856206&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including vested and non-vested options, as of the balance sheet, plus the number of non-vested restricted stock units outstanding as of the balance sheet date. + References No definition available. + Details
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