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Share Based Compensation - Additional Information (Details) $ / shares in Units, $ in Thousands |  | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jan. 01, 2019 $ / shares shares | Dec. 31, 2020 USD ($) Installment $ / shares shares | Dec. 31, 2019 USD ($) shares | Oct. 31, 2020 shares | Feb. 29, 2016 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Number of performance-condition options granted |  | 828,000 |  |  |
Exercise price | $ / shares |  | $ 2.81 |  |  |
Number of outstanding stock options granted |  | 2,321,000 | 1,916,000 |  |
Remaining life of outstanding performance condition options |  | 7 years 4 months 24 days | 7 years 7 months 6 days |  |
Intrinsic value | $ |  | $ 42,580 |  |  |
Stock compensation expense | $ |  | $ 3,709 | $ 170 |  |
Restricted Stock Units (RSUs) |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
RSUs outstanding |  | 79,104 |  |  |
Weighted average grant date fair value | $ / shares |  | $ 6.83 |  |  |
Bonus-To-Options Program |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Intrinsic value | $ |  | $ 1,600 |  |  |
Stock compensation expense | $ |  | 3,400 |  |  |
Options and Restricted Stock Units |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Unrecognized remaining stock based compensation balance | $ |  | $ 600 |  |  |
Amortization period |  | 3 years 8 months 12 days |  |  |
Service Condition R S Us |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Vesting term |  | vest over three years, 40% over the first two years and the remaining 60% over the third year from the grant date. |  |  |
Number of RSUs granted |  | 52,736 |  |  |
Service Condition R S Us | Share-based Payment Arrangement, Tranche One |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Vesting percentage |  | 40.00% |  |  |
Service Condition R S Us | Share-based Payment Arrangement, Tranche Two |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Vesting percentage |  | 60.00% |  |  |
Maximum | Bonus-To-Options Program |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Option expiration period |  | 10 years |  |  |
Number of outstanding stock options granted |  | 173,229 |  |  |
Percentage of fully diluted equity for bonus awarded |  | 1.00% |  |  |
Weighted average exercise price,vested | $ / shares |  | $ 11.11 |  |  |
Minimum | Service Condition R S Us |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Vesting period |  | 3 years |  |  |
2020 Equity Incentive Plan |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Number of shares reserved for issuance |  | 1,893,395 |  |  |
2020 Equity Incentive Plan | Performance Condition Options |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Option expiration period | 10 years |  |  |  |
Vesting term |  | Performance-based options vest in three equal annual installments beginning one year after the grant date |  |  |
Number of equal annual installments for award vesting | Installment |  | 3 |  |  |
Number of performance-condition options granted | 168,466 |  |  |  |
Exercise price | $ / shares | $ 0.77 |  |  |  |
Options vested |  | 56,155 |  |  |
Options forfeited |  |  | 56,155 |  |
Number of outstanding stock options granted |  | 56,156 |  |  |
Remaining life of outstanding performance condition options |  | 8 years |  |  |
2020 Equity Incentive Plan | Maximum |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Option expiration period |  | 10 years |  |  |
2020 Equity Incentive Plan | Minimum | Restricted Stock Units (RSUs) |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Vesting period |  | 3 years |  |  |
2020 Equity Incentive Plan | Common Stock |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Percentage of number of shares of common stock issued and outstanding |  | 4.00% |  |  |
2020 Equity Incentive Plan | Common Stock | Maximum |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Number of common stock may be issued under incentive plan |  | 1,893,395 |  |  |
2006 Plan | Maximum |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Number of shares authorized |  | 831,389 |  |  |
2016 Plan |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Additional stock awards granted |  |  |  |  | 0
2016 Plan | Maximum |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Number of shares authorized |  |  |  |  | 1,431,964
2006 Plan, 2016 Plan and 2020 Equity Incentive Plan |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Additional stock awards granted |  | 4,647,380 |  |  |
Employee Stock Purchase Plan |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |  |  |
Number of shares reserved for issuance |  |  |  | 338,106 |
Percentage of number of shares of common stock issued and outstanding |  | 1.00% |  |  |
Percentage of earnings used for purchase of common stock |  | 15.00% |  |  |
Percentage of fair market value of common stock for purchase under plan |  | 85.00% |  |  |
Description of voting power or value of stock for employee participation in offering period |  | No employee may participate in an offering period if the employee owns 5% or more of the total combined voting power or value of the Company’s stock. |  |  |
Description of offering period under plan |  | The initial offering period will commence from January 1, 2021 through August 31, 2021. On a going forward basis, the ESPP provides for successive six-month offering periods beginning on September 1st and March 1st of each year. |  |  |

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