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Relationship with Parent and Related Entities - Schedule Of Share-Based Payment Arrangement, Expensed and Capitalized, Amount (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Share-Based Payment Arrangement, Expense | $ 5,279 | $ 3,810 | $ 12,273 | $ 11,606
Research and Development Expense [Member] |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Share-Based Payment Arrangement, Expense | 3,079 | 2,395 | 7,243 | 6,902
General and Administrative Expense [Member] |  |  |  |
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |  |  |
Share-Based Payment Arrangement, Expense | $ 2,200 | $ 1,415 | $ 5,030 | $ 4,704

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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- Details
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