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Stock-Based Compensation - Additional Information (Detail) - USD ($) |  | 12 Months Ended
--- | --- | ---
Jul. 28, 2021 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Weighted average grant-date fair value of stock options granted |  | $ 51.94 | $ 53.07 | $ 23.01
Stock-based compensation expense |  | $ 86,502,000 | $ 60,579,000 | $ 25,563,000
Aggregate intrinsic value of stock options exercised |  | $ 107,600,000 | $ 102,300,000 | $ 52,300,000
2021 Stock Option and Incentive Plan [Member] | Common Class A [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Shares available for future issuance |  | 8,244,716 |  |
2021 Employee Stock Purchase Plan [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Shares available for future issuance |  | 2,322,110 |  |
Excluding PSUs [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Unrecognized compensation cost related to common stock options |  | $ 170,400,000 |  |
Share based payment weighted average period |  | 2 years 3 months 18 days |  |
PSUs [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Unrecognized compensation cost related to common stock options |  | $ 11,100,000 |  |
Stock-based compensation expense |  | $ 0 |  |
Number of shares, outstanding |  | 141,935 |  |
RSUs |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Number of shares, outstanding |  | 1,091,116 | 716,921 |
Total fair value of RSUs vested |  | $ 19,000,000 |  |
Number of Shares, Vested |  | (252,814) | 0 | 0
Maximum [Member] | 2021 Stock Option and Incentive Plan [Member] | Common Class A [Member] | Class A And Class B Common Stock Outstanding [Member] |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |
Share based compensation arrangement by share based payment award annual increase percentage | 5.00% |  |  |

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- Definition The automatic increase in the number of shares that may be issued under a share-based payment arrangement on the first day of each fiscal year, as a percentage of shares outstanding. + References No definition available. + Details
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479983/718-10-S45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(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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