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Equity Incentive Plans - Summary of Stock-based Compensation Expense (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Equity Incentive Plan [Line Items] |  |  |  |
Cumulative stock-based compensation | $ 3,496 | $ 9,820 | $ 6,473 | $ 18,023
Cost of Revenue |  |  |  |
Equity Incentive Plan [Line Items] |  |  |  |
Cumulative stock-based compensation | 186 | 531 | 303 | 796
Research and Development |  |  |  |
Equity Incentive Plan [Line Items] |  |  |  |
Cumulative stock-based compensation | 750 | 2,293 | 1,309 | 4,625
Sales and Marketing |  |  |  |
Equity Incentive Plan [Line Items] |  |  |  |
Cumulative stock-based compensation | 933 | 2,494 | 1,412 | 3,953
General and Administrative |  |  |  |
Equity Incentive Plan [Line Items] |  |  |  |
Cumulative stock-based compensation | $ 1,627 | $ 4,502 | $ 3,449 | $ 8,649

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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 S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 2: 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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