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Stock-based Compensation - Schedule of Total Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | $ 30,345 | $ 16,966 | $ 1,379
Additional Paid-in Capital |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 29,694 | 14,816 | 1,379
Equity Awards |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 27,163 | 14,816 | 1,379
Equity Awards | Additional Paid-in Capital |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 27,163 | 14,816 | 1,379
Equity Awards | Cost of Revenue |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 1,654 | 613 | 36
Equity Awards | Research and Development |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 11,087 | 4,682 | 346
Equity Awards | Selling, General and Administrative |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 14,422 | 9,521 | 997
Liability-based Awards | Additional Paid-in Capital |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 2,531 |  |
Liability Based Awards to be Settled in Equity |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 2,829 | 1,193 |
Liability Based Awards to be Settled in Equity | Cost of Revenue |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 114 |  |
Liability Based Awards to be Settled in Equity | Research and Development |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 492 | 445 |
Liability Based Awards to be Settled in Equity | Selling, General and Administrative |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 2,223 | 748 |
Equity and Liability Based Awards |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 29,992 | 16,009 | $ 1,379
Liability Based Awards - Cash Settled |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 353 | 957 |
Liability Based Awards - Cash Settled | Cost of Revenue |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 102 | 264 |
Liability Based Awards - Cash Settled | Research and Development |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | 143 | 415 |
Liability Based Awards - Cash Settled | Selling, General and Administrative |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Stock-based compensation expense | $ 108 | $ 278 |

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