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Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Jul. 31, 2021 | Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Unrecognized compensation cost related to common stock options |  | $ 150.9 |  | $ 150.9 |
Share based payment weighted average period |  |  |  | 2 years 8 months 12 days |
Weighted average grant-date fair value of stock options granted |  | $ 50.35 | $ 28.89 | $ 51.79 | $ 20.68
Aggregate intrinsic value of stock options exercised |  | $ 12.2 | $ 6.3 | $ 40.2 | $ 8.1
2021 Stock Option and Incentive Plan [Member] |  |  |  |  |
Stock awards granted, expiration period | 10 years |  |  |  |
2021 Stock Option and Incentive Plan [Member] | Common Class A [Member] |  |  |  |  |
Shares available for future issuance |  | 7,068,809 |  | 7,068,809 |
2021 Employee Stock Purchase Plan [Member] |  |  |  |  |
Number of shares issued |  | 5,237 |  | 5,237 |
2021 Employee Stock Purchase Plan [Member] | Common Class A [Member] |  |  |  |  |
Shares available for future issuance |  | 1,873,832 |  | 1,873,832 |
Maximum [Member] | 2021 Stock Option and Incentive Plan [Member] |  |  |  |  |
Stock awards granted, vesting period | 4 years |  |  |  |
Minimum [Member] | 2021 Stock Option and Incentive Plan [Member] |  |  |  |  |
Stock awards granted, vesting period | 3 years |  |  |  |

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- Definition Amount of cost not yet recognized for nonvested award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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