| Warrants - VGS Warrants (Details) - Class A common stock $ / shares in Units, shares in Millions, $ in Millions | Dec. 31, 2024  USD ($)  $ / shares  shares | 
|---|---|
| VGS 3 Unsecured Promissory Note [Member] | VGS 3 Warrant Agreement [Member] | VBC 3 Growth SPV LLC [Member] | |
| Warrants | |
| Warrants to purchase common stock (in shares) | shares | 71.4 | 
| VGS | Unsecured Promissory Note | VGS Warrant Agreement | |
| Warrants | |
| Warrants to purchase common stock (in shares) | shares | 0.4 | 
| Exercise price (in dollars per share) | $ / shares | $ 4.26 | 
| Voting power disposed percentage (as a percent) | 50.00% | 
| VBC 3 Growth SPV LLC [Member] | VGS 3 Unsecured Promissory Note [Member] | VGS 3 Warrant Agreement [Member] | |
| Warrants | |
| Exercise price (in dollars per share) | $ / shares | $ 0.21 | 
| Warrants fair value | $ | $ 12.1 | 
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- Definition Percentage of voting power disposed. No definition available. 
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Fair value portion of warrants not settleable in cash classified as equity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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