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Stockholders' Equity (Deficit) - Stock Reserved for Future Issuance (Details) - shares | Jun. 30, 2024 | Feb. 29, 2024 | Dec. 31, 2023
--- | --- | --- | ---
Class of Stock [Line Items] |  |  |
Total shares of common stock reserved (in shares) | 78,401,978 |  | 139,700,734
2017 Plan |  |  |
Class of Stock [Line Items] |  |  |
Total shares of common stock reserved (in shares) | 0 |  | 7,919,000
2024 Plan |  |  |
Class of Stock [Line Items] |  |  |
Total shares of common stock reserved (in shares) | 37,669,497 | 31,747,592 | 0
Community Impact Initiatives And Charitable Activities |  |  |
Class of Stock [Line Items] |  |  |
Total shares of common stock reserved (in shares) | 1,337,205 |  | 1,337,205
Conversion of outstanding convertible preferred stock |  |  |
Class of Stock [Line Items] |  |  |
Total shares of common stock reserved (in shares) | 0 |  | 73,021,449
Outstanding stock options |  |  |
Class of Stock [Line Items] |  |  |
Total shares of common stock reserved (in shares) | 25,497,896 |  | 29,795,909
Outstanding RSUs |  |  |
Class of Stock [Line Items] |  |  |
Total shares of common stock reserved (in shares) | 13,897,380 |  | 27,627,171

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