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Stock Option Plan and Stock-based Compensation - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2022 | Jan. 01, 2022 | Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares of common stock reserved (in shares) | 31,474,961 |  | 24,276,439
Unrecognized compensation expense | $ 31.0 |  |
Unrecognized compensation expense, period for recognition | 2 years 11 months 8 days |  |
2021 Equity Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares available for grant under equity plan (in shares) | 17,384,590 |  | 14,481,463
Number of additional shares authorized (in shares) | 18,672,200 |  |
Percentage of outstanding stock maximum | 5.00% |  |
Increase in shares available for grant under equity plan (in shares) |  | 6,215,154 |
Award expiration period | 10 years |  |
2021 Employee Stock Purchase Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares available for grant under equity plan (in shares) | 2,439,577 |  | 1,244,900
Number of additional shares authorized (in shares) | 3,734,500 |  |
Percentage of outstanding stock maximum | 1.00% |  |
Increase in shares available for grant under equity plan (in shares) |  | 1,243,030 |
Shares of common stock issued in period (in shares) | 48,353 |  |
2017 Equity Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Shares of common stock reserved (in shares) | 7,106,767 |  |
Employee Stock | 2021 Employee Stock Purchase Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Purchase price of common stock, percent | 85.00% |  |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&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 https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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