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v3.21.2

Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 22, 2021 | Jun. 16, 2020 | Jun. 30, 2021 | Dec. 31, 2020 | Aug. 04, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Accrued expenses and other current liabilities |  |  | $ 13,807 | $ 12,963 | $ 1,300
Restricted Stock Units RSU |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Unrecognized compensation costs |  |  | 72,600 |  |
Liability-based Awards |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Unrecognized compensation costs |  |  | $ 500 |  |
Unrecognized compensation cost is expected weighted average period |  |  | 4 months 24 days |  |
Equity Awards |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Unrecognized compensation cost is expected weighted average period |  |  | 3 years 6 months |  |
New Hires | Cash Restricted Stock Unit Award CRSU |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Vesting period |  |  | 1 year |  |
Minimum |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Percentage actual payouts |  |  | 76.00% |  | 119.00%
Maximum |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Percentage actual payouts |  |  | 141.00% |  | 144.00%
Si Time Corporation | Follow-on Public Offering |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Issuance of common stock upon follow-on public offering net of underwriting discounts and commissions and deferred offerings costs, Shares | 1,500,000 | 1,525,000 |  |  |
MegaChips | Follow-on Public Offering |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Issuance of common stock upon follow-on public offering net of underwriting discounts and commissions and deferred offerings costs, Shares | 1,500,000 |  |  |  |
MegaChips | Si Time Corporation | Follow-on Public Offering |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Shares issued price per share | $ 127 |  |  |  |

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