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Stock-Based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Jan. 01, 2022 shares | Jan. 01, 2021 | Oct. 14, 2020 USD ($) shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares | Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock issued under ESPP (in shares) |  |  |  | 2,106 |  |
Proceeds from stock plans | $ |  |  |  | $ 100 |  |
Grant date fair value (in dollars per share) | $ / shares |  |  |  | $ 16.38 | $ 8.93 |
Unrecognized compensation cost | $ |  |  |  | $ 11,400 |  |
Aggregate intrinsic value of options exercised | $ |  |  |  | 10,800 | $ 49,700 |
Aggregate intrinsic value of options outstanding | $ |  |  |  | 5,900 |  |
Aggregate intrinsic value of options exercisable | $ |  |  |  | $ 5,900 |  |
Stock options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Weighted-average amortization period |  |  |  | 2 years 5 months 23 days |  |
Expected dividends (in percentage) |  |  |  | 0.00% |  |
2020 Stock Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Increase in number of shares authorized, percentage of capital stock outstanding |  |  |  |  |  | 0.04
Number of shares available for future grant (in shares) |  |  |  | 3,912,408 |  |
Stock-based compensation, vesting period |  |  |  | 4 years |  |
Share-based compensation, expiration period |  |  |  | 10 years |  |
2020 Stock Incentive Plan | Subsequent Event |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Additional number of shares reserved for future issuance (in shares) | 1,693,555 |  |  |  |  |
2020 Stock Incentive Plan | Stock options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Expected dividends (in percentage) |  |  |  | 0.00% | 0.00% |
2020 Employee Stock Purchase Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Increase in number of shares authorized, percentage of capital stock outstanding |  |  | 0.01 |  |  |
Number of shares available for future grant (in shares) |  |  | 395,795 | 393,689 |  |
Purchase price of common stock in percent |  |  | 85.00% |  |  |
Contribution limit in percentage of employee's eligible compensation |  |  | 15.00% |  |  |
Maximum value of shares per employee during any calendar year | $ |  |  | $ 25,000 |  |  |
Maximum number of shares per employee during any one purchase period (in shares) |  |  | 600 |  |  |
Share-based compensation arrangement by share-based payment award, annual increase in number of shares authorized, term |  | 10 years |  |  |  |
Stock issued under ESPP (in shares) |  |  |  |  | 0 |
2020 Employee Stock Purchase Plan | Subsequent Event |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Additional number of shares reserved for future issuance (in shares) | 423,388 |  |  |  |  |

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- Definition Amount of cost to be recognized for option 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 (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + 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 (f)(2)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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