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Stockholders' Equity - Narrative (Details) |  |  |  | 1 Months Ended | 12 Months Ended | 47 Months Ended | 59 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 22, 2024 USD ($) shares | Apr. 17, 2024 USD ($) | Feb. 09, 2021 USD ($) $ / shares shares | Apr. 30, 2024 shares | Dec. 31, 2025 USD ($) $ / shares shares | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2023 USD ($) | Dec. 31, 2024 USD ($) $ / shares shares | Dec. 31, 2025 USD ($) $ / shares shares | Jun. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Aug. 30, 2024 USD ($) | May 17, 2021 USD ($) $ / shares shares
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred stock, shares authorized (in shares) | shares |  |  |  |  | 100,000,000 | 100,000,000 |  | 100,000,000 | 100,000,000 |  |  |  |
Preferred stock, shares issued (in shares) | shares |  |  |  |  | 0 | 0 |  | 0 | 0 |  |  |  |
Preferred stock, shares outstanding (in shares) | shares |  |  |  |  | 0 | 0 |  | 0 | 0 |  |  |  |
Additional paid in capital, restricted share purchase |  |  |  |  |  |  |  |  | $ 3,400,000 |  |  |  |
Warrants, exercise price (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  |  |  |  |  | $ 70.12
Warrants outstanding |  |  |  |  |  |  |  |  |  |  |  |  | $ 35,300,000
Total stock-based compensation expense |  |  |  |  | $ 52,906,000 | $ 76,216,000 | $ 20,168,000 |  |  |  |  |  |
Stock-based compensation expense yet to be recognized |  |  |  |  | 98,400,000 |  |  |  | $ 98,400,000 |  |  |  |
Authorized amount |  |  |  |  |  |  |  |  |  | $ 300,000,000.0 |  |  |
Increase of common stock issued (in shares) |  |  |  |  |  |  |  |  |  | $ 100,000,000.0 | $ 100,000,000.0 |  |
Repurchase amount |  |  |  |  | 236,254,000 | 31,321,000 |  |  |  |  |  |  |
Treasury Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase amount |  |  |  |  | 236,254,000 | 31,321,000 |  |  |  |  |  |  |
Remaining shares reserved for future issuances under the 2024 Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense |  |  |  |  | $ 1,100,000 | 1,600,000 |  |  |  |  |  |  |
Increase of common stock issued (in shares) | shares |  |  |  | 1,100,000 |  |  |  |  |  |  |  |  |
IPO |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, par value (in usd per share) | $ / shares |  |  |  |  | $ 0.00001 |  |  |  | $ 0.00001 |  |  |  |
Preferred stock, shares authorized (in shares) | shares |  |  |  |  | 100,000,000 |  |  |  | 100,000,000 |  |  |  |
Preferred stock, par value (in usd per share) | $ / shares |  |  |  |  | $ 0.00001 |  |  |  | $ 0.00001 |  |  |  |
Common stock warrant |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants (in shares) | shares | 4,121,034 |  |  |  |  |  |  |  |  |  |  |  | 3,528,577
Antidilutive increase in warrants outstanding (in shares) | shares | 592,457 |  |  |  |  |  |  |  |  |  |  |  |
Warrants outstanding | $ 37,200,000 |  |  |  |  |  |  |  |  |  |  |  |
Warrants, Performance Conditions |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  | 1,648,413
Sales and marketing |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense |  |  |  |  | $ 18,732,000 | 39,086,000 | 15,420,000 |  |  |  |  |  |
Restricted stock purchase | Officer |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Granted (in shares) | shares |  |  | 408,824 |  |  |  |  |  |  |  |  |  |
Granted, weighted average grant date fair value, as of beginning of period (in usd per share) | $ / shares |  |  | $ 8.30 |  |  |  |  |  |  |  |  |  |
Restricted stock purchase, authorized amount |  |  | $ 3,400,000 |  |  |  |  |  |  |  |  |  |
Restricted stock purchase | Officer | Share-Based Payment Arrangement, Tranche One |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting percentage |  |  | 25.00% |  |  |  |  |  |  |  |  |  |
Vesting period |  |  | 1 year |  |  |  |  |  |  |  |  |  |
Restricted stock purchase | Officer | Share-Based Payment Arrangement, Tranche Two |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Award vesting percentage |  |  | 2.08% |  |  |  |  |  |  |  |  |  |
Vesting period |  |  | 36 months |  |  |  |  |  |  |  |  |  |
Restricted Stock Purchase |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Additional paid in capital, restricted share purchase |  |  |  |  |  |  |  | $ 3,300,000 |  |  |  |  |
Warrants, Performance Conditions | Share-Based Payment Arrangement, Nonemployee |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation expense yet to be recognized |  |  |  |  | $ 21,300,000 |  |  |  | $ 21,300,000 |  |  |  |
Stock-based compensation yet to be recognized, weighted average period |  |  |  |  | 2 years 9 months 18 days |  |  |  |  |  |  |  |
Warrants, Performance Conditions | Sales and marketing | Share-Based Payment Arrangement, Nonemployee |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense |  |  |  |  | $ 8,800,000 | $ 29,300,000 | 12,300,000 |  |  |  |  |  |
Common stock warrant |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense | $ 17,500,000 |  |  |  |  |  |  |  |  |  |  |  |
Common stock warrant | Sales and marketing | Share-Based Payment Arrangement, Nonemployee |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense |  |  |  |  |  |  | 13,200,000 |  |  |  |  |  |
Stock options outstanding |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense |  | $ 11,400,000 |  |  |  |  |  |  |  |  |  |  |
Stock-based compensation yet to be recognized, weighted average period |  |  |  |  | 1 year 7 months 6 days |  |  |  |  |  |  |  |
Warrants, Service Condition | Sales and marketing | Share-Based Payment Arrangement, Nonemployee |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Total stock-based compensation expense |  |  |  |  |  |  | $ 900,000 |  |  |  |  |  |
Common Class A |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) | shares |  |  |  |  | 3,000,000,000 | 3,000,000,000 |  | 3,000,000,000 | 3,000,000,000 |  |  |  |
Common stock, par value (in usd per share) | $ / shares |  |  |  |  | $ 0.00001 | $ 0.00001 |  | $ 0.00001 | $ 0.00001 |  |  |  |
Common Class A | Remaining shares reserved for future issuances under the 2024 Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Authorized amount |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000.0 |
Increase of common stock issued (in shares) | shares |  |  |  |  | 6,869,660 |  |  |  |  |  |  |  |
Remaining amount authorized |  |  |  |  | $ 34,900,000 |  |  |  | $ 34,900,000 |  |  |  |
Common Class A | IPO |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) | shares |  |  |  |  | 3,000,000,000 |  |  |  | 3,000,000,000 |  |  |  |
Common Class B |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) | shares |  |  |  |  | 350,000,000 | 350,000,000 |  | 350,000,000 | 350,000,000 |  |  |  |
Common stock, par value (in usd per share) | $ / shares |  |  |  |  | $ 0.00001 | $ 0.00001 |  | $ 0.00001 | $ 0.00001 |  |  |  |
Common stock, votes per share (votes) | 20 |  |  |  |  |  |  |  |  |  |  |  |
Common Class B | IPO |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized (in shares) | shares |  |  |  |  | 350,000,000 |  |  |  | 350,000,000 |  |  |  |

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