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Redeemable Convertible Preferred Stock and Stockholders’ Equity - Common Stock Outstanding (Details) - shares | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Class of Stock [Line Items] |  |
Employee stock options - outstanding (in shares) | 2,237,212 | 2,965,144
Authorized (in shares) | 1,050,000,000 |
Employee Stock Purchase Plan |  |
Class of Stock [Line Items] |  |
Total common stock – outstanding or issuable on exercise of options (in shares) | 4,210,184 |
Series A common stock |  |
Class of Stock [Line Items] |  |
Common stock outstanding (in shares) | 97,779,105 | 96,115,202
Employee stock options - outstanding (in shares) | 580,876 |
Shares of Class A common stock issuable upon conversion of all outstanding Class B common stock, options, RSUs, and PSUs (in shares) | 27,454,426 |
Total common stock – outstanding or issuable on exercise of options (in shares) | 153,257,260 |
Authorized (in shares) | 750,000,000 | 750,000,000
Common stock available for future issuance (in shares) | 596,742,740 |
Series A common stock | Restricted stock units (RSUs) |  |
Class of Stock [Line Items] |  |
Stock units - outstanding (in shares) | 2,526,756 |
Series A common stock | Performance Stock Units |  |
Class of Stock [Line Items] |  |
Stock units - outstanding (in shares) | 0 |
Series A common stock | Employee Stock Purchase Plan |  |
Class of Stock [Line Items] |  |
Employee stock options - available (in shares) | 24,916,097 |
Series B common stock |  |
Class of Stock [Line Items] |  |
Common stock outstanding (in shares) | 19,479,598 | 19,223,572
Employee stock options - outstanding (in shares) | 1,656,336 |
Shares of Class A common stock issuable upon conversion of all outstanding Class B common stock, options, RSUs, and PSUs (in shares) | 0 |
Total common stock – outstanding or issuable on exercise of options (in shares) | 27,454,426 |
Authorized (in shares) | 150,000,000 | 150,000,000
Common stock available for future issuance (in shares) | 122,545,574 |
Series B common stock | Restricted stock units (RSUs) |  |
Class of Stock [Line Items] |  |
Stock units - outstanding (in shares) | 1,920,804 |
Series B common stock | Performance Stock Units |  |
Class of Stock [Line Items] |  |
Stock units - outstanding (in shares) | 4,397,688 |
Series B common stock | Employee Stock Purchase Plan |  |
Class of Stock [Line Items] |  |
Employee stock options - available (in shares) | 0 |
Series C common stock |  |
Class of Stock [Line Items] |  |
Common stock outstanding (in shares) | 0 |
Employee stock options - outstanding (in shares) | 0 |
Shares of Class A common stock issuable upon conversion of all outstanding Class B common stock, options, RSUs, and PSUs (in shares) | 0 |
Total common stock – outstanding or issuable on exercise of options (in shares) | 0 |
Authorized (in shares) | 150,000,000 |
Common stock available for future issuance (in shares) | 150,000,000 |
Series C common stock | Restricted stock units (RSUs) |  |
Class of Stock [Line Items] |  |
Stock units - outstanding (in shares) | 0 |
Series C common stock | Performance Stock Units |  |
Class of Stock [Line Items] |  |
Stock units - outstanding (in shares) | 0 |
Series C common stock | Employee Stock Purchase Plan |  |
Class of Stock [Line Items] |  |
Employee stock options - available (in shares) | 0 |

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