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Share-based Compensation - Additional Information (Detail) - USD ($) | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | ---
May 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Dec. 31, 2023 | May 23, 2023
Stock Option Awards |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Options outstanding, shares |  | 703,000 |  | 1,294,000 |
Stock options vested |  | 109,250 |  |  |
Aggregate fair value of stock option vested |  | $ 32,700,000 |  |  |
Weighted average grant date fair value of stock option awards |  | $ 1,114.42 |  |  |
Share-based compensation expense recognized |  | $ 9,800,000 | $ 12,900,000 |  |
Unrecognized share-based compensation expense |  | $ 66,500,000 |  |  |
Unrecognized compensation expense expected to be recognized |  | 2 years 1 month 6 days |  |  |
Stock option awards granted |  | 9,000 | 0 |  |
Share-settled Restricted Stock Units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Aggregate fair value of stock option vested |  | $ 3,200,000 | $ 3,400,000 |  |
Share-based compensation expense recognized |  | $ 4,700,000 | $ 3,400,000 |  |
Unrecognized compensation expense expected to be recognized |  | 3 years 3 months 18 days |  |  |
Restricted stock units outstanding |  | 196,830 |  | 185,000 |
Share-settled restricted stock units vested |  | 6,002 | 5,780 |  |
Number of shares withheld to satisfy tax obligations |  | 1,889 | 1,963 |  |
Shares issued |  | 4,113 | 3,817 |  |
Granted, weighted average grant date fair value (in dollars per share) |  | $ 1,451.66 | $ 258.65 |  |
Unrecognized share-based compensation expense |  | $ 84,100,000 |  |  |
Stock units granted |  | 30,000 |  |  |
Share-settled Performance Stock Units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Aggregate fair value of stock option vested |  | $ 0 |  |  |
Unrecognized compensation expense expected to be recognized |  | 2 years 8 months 12 days |  |  |
Restricted stock units outstanding |  | 30,000 |  | 25,000 |
Unrecognized share-based compensation expense |  | $ 25,800,000 |  |  |
Stock units granted |  | 6,000 | 0 |  |
Class A | Stock Option Awards |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Options outstanding, shares |  | 702,571 |  |  |
2013 Equity Plan |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Equity compensation plan expiration period | 2023-05 |  |  |  |
2013 Equity Plan | Other Stock Based Awards and Cash Settled RSUs |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share-based compensation expense recognized |  | $ 1,800,000 | $ 700,000 |  |
Unrecognized compensation expense expected to be recognized |  | 10 months 24 days |  |  |
Unrecognized share-based compensation expense |  | $ 700,000 |  |  |
2023 Equity Plan | Share-settled Performance Stock Units |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Weighted average grant date fair value of stock option awards |  | $ 3,071.27 |  |  |
Share-based compensation expense recognized |  | $ 1,100,000 |  |  |
Restricted stock units outstanding |  | 30,285 |  |  |
2023 Equity Plan | Class A |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share-based compensation, stock authorized |  |  |  |  | 1,932,703
Shares of class A common stock reserved and available for future issuance |  | 231,007 |  |  |
2021 Employee Stock Purchase Plan |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share-based compensation expense recognized |  | $ 400,000 | $ 600,000 |  |
Unrecognized compensation expense expected to be recognized |  | 4 months 24 days |  |  |
Unrecognized share-based compensation expense |  | $ 700,000 |  |  |
2021 Employee Stock Purchase Plan | Class A |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |
Share-based compensation, stock authorized |  | 100,000 |  |  |
Shares of class A common stock reserved and available for future issuance |  | 52,675 |  |  |
Common stock, shares issued |  | 6,932 |  |  |

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