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Preferred Stock and Common Stock - Additional Information (Detail) $ / shares in Units, $ in Millions |  | 1 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Feb. 28, 2021 vote | Aug. 31, 2023 USD ($) shares | Sep. 30, 2024 vote $ / shares shares | Dec. 31, 2023 $ / shares shares | Apr. 30, 2021 $ / shares shares
Class of Stock [Line Items] |  |  |  |  |
Preferred stock, shares issued (in shares) |  |  | 0 | 0 |
Preferred stock shares outstanding (in shares) |  |  | 0 | 0 |
Common stock shares authorized (in shares) |  |  | 13,850,000,000 | 13,850,000,000 |
Common stock par or stated value per share (in dollars per share) | $ / shares |  |  | $ 0.00001 | $ 0.00001 |
Strategic transaction, consideration received | $ |  | $ 32.3 |  |  |
Strategic transaction, number of shares issued |  | 9,000,000 |  |  |
Strategic transaction, contingent consideration, range of outcomes, value, high | $ |  | $ 5.5 |  |  |
Common Class C |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common Stock voting rights | Each share of Class C common stock is entitled to twenty votes |  |  |  |
Common stock shares authorized (in shares) |  |  | 100,000,000 | 100,000,000 |
Voting rights, number of votes for each share | vote |  |  | 20 |  |
Number of votes per share of common stock | vote | 20 |  |  |  |
Common Class A |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock conversion ratio |  |  | 1 |  |
Common stock shares authorized (in shares) |  |  | 12,500,000,000 | 12,500,000,000 |
Voting rights, number of votes for each share | vote |  |  | 1 |  |
Common Class B |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock shares authorized (in shares) |  |  | 1,250,000,000 | 1,250,000,000 |
Voting rights, number of votes for each share | vote |  |  | 0 |  |
Restated Certificate Of Incorporation | Undesignated Preferred Stock |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Preferred stock, shares authorized (in shares) |  |  |  |  | 25,000,000.0
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  |  | $ 0.00001
Restated Certificate Of Incorporation | Common Class C |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock shares authorized (in shares) |  |  |  |  | 100,000,000
Restated Certificate Of Incorporation | Common Class A |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock shares authorized (in shares) |  |  |  |  | 12,500,000,000
Restated Certificate Of Incorporation | Common Class B |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock shares authorized (in shares) |  |  |  |  | 1,250,000,000

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