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Stock-Based Compensation - Employee Stock Purchase Plan (Details) - USD ($) shares in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense |  | $ 21,887 | $ 20,527 | $ 1,680
2021 Employee Stock Purchase Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Common Stock, Capital Shares Reserved for Future Issuance | 3,000 |  |  |
Share-based compensation arrangement by share-based payment award, annual increase in shares authorized as a percentage of outstanding common shares | 1.00% |  |  |
Maximum | 2021 Employee Stock Purchase Plan |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock-based compensation expense |  | $ 100 |  |

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- Definition Annual increase in shares authorized as a percentage of outstanding shares of common stock on the last day of the immediately preceding fiscal year under the share based compensation plan. + References No definition available. + Details
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