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Stock-Based Compensation - Narrative (Details) |  | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jul. 19, 2022 USD ($) $ / shares shares | May 31, 2021 USD ($) shares | Sep. 30, 2023 USD ($) $ / shares shares | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) $ / shares shares | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Jun. 21, 2022 employee shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Number of shares as percentage of common shares outstanding |  |  |  |  | 5.00% |  |  |
Number of shares reserved for future issuance (in shares) | shares |  |  | 6,730,462 |  | 6,730,462 |  |  |
Plan modification, incremental cost | $ 5,200,000 |  |  |  |  |  |  |
Expected dividend rate |  |  |  |  | 0.00% |  |  |
Expected exercise barrier (in dollars per share) | $ / shares |  |  | $ 2.57 |  | $ 2.57 |  |  |
Total stock-based compensation |  |  | $ 15,354,000 | $ 21,148,000 | $ 50,718,000 | $ 66,354,000 |  |
Issuance of common stock upon exercise of stock options and vesting of RSUs (in shares) | shares |  | 293,594 |  |  |  |  |  |
Accrued and other liabilities, related to shares held by employees and directors that were subject to repurchase |  |  | 1,100,000 |  | 1,100,000 |  | $ 1,900,000 |
Other long term liabilities, related to shares held by employees and directors that were subject to repurchase |  |  | 0 |  | $ 0 |  | $ 600,000 |
Stock Option |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 4 years |  |  |
Restricted Stock Unit |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Award vesting period |  |  |  |  | 4 years |  |  |
Unrecognized stock based compensation expense |  |  | 60,100,000 |  | $ 60,100,000 |  |  |
Unrecognized stock based compensation expense, weighted average recognition period (in years) |  |  |  |  | 2 years 176 days |  |  |
Restricted stock units, granted (in shares) | shares |  |  |  |  | 11,215,162 |  |  |
Stock options to purchase common stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Award vesting period | 3 years |  |  |  |  |  |  |
Exchange offer, number of employees | employee |  |  |  |  |  |  |  | 199
Exchange offer, number of options accepted for cancellation (in shares) | shares |  |  |  |  |  |  |  | 3,666,600
Exchange offer, number of options accepted for cancellation as a percent of shares outstanding |  |  |  |  |  |  |  | 0.935
Number of options, options granted (in shares) | shares | 3,666,600 |  |  |  |  |  |  |
Weighted average exercise price (in dollars per share) | $ / shares | $ 13.31 |  |  |  |  |  |  |
Expiration period | 7 years |  |  |  |  |  |  |
Grants in period, weighted average grant date fair value (in dollars per share) | $ / shares |  |  |  |  | $ 3,450,000 |  |  |
Unrecognized stock based compensation expense |  |  | $ 67,000,000 |  | $ 67,000,000 |  |  |
Unrecognized stock based compensation expense, weighted average recognition period (in years) |  |  |  |  | 2 years 198 days |  |  |
Expected volatility |  |  |  |  | 73.74% |  |  |
Expected risk-free rate |  |  |  |  | 3.06% |  |  |
Expected dividend rate |  |  |  |  | 0.00% |  |  |
Expected exercise barrier (in dollars per share) | $ / shares |  |  | $ 2.57 |  | $ 2.57 |  |  |
Early exercised stock options subject to future vesting |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Proceeds from stock options exercised |  | $ 5,300,000 |  |  |  |  |  |
Performance-Based Restricted Stock Units | Certain Executive Officers And Other Employees |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Restricted stock units, granted (in shares) | shares |  |  |  |  | 3,069,751 |  |  |
Total stock-based compensation |  |  | $ 0 |  |  |  |  |
Restricted Stock Units (RSUs) With Market Condition | Certain Executive Officers And Other Employees |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Restricted stock units, granted (in shares) | shares |  |  |  |  | 1,994,125 |  |  |
Total stock-based compensation |  |  |  |  | $ 1,500,000 |  |  |
Maximum |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock option grant period |  |  |  |  | 10 years |  |  |
Option exercise price as percentage of fair value of common stock on grate date |  |  |  |  | 100.00% |  |  |
Option exercise price as a percentage of fair value of common stock on grant date |  |  |  |  | 110.00% |  |  |
Minimum |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Combined voting power by individual (as a percent) |  |  |  |  | 10.00% |  |  |

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