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Intangible Asset - Additional Information (Detail) £ in Millions, $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Mar. 31, 2021 USD ($) | Mar. 31, 2022 | Mar. 31, 2021 GBP (£)
Finite-Lived Intangible Assets [Line Items] |  |  |
Intangible asset estimated weighted- average remaining life |  | 9 years |
Food and Drug Administration |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Milestone payment achieved | £ |  |  | £ 7.5
Increase in intangible assets | $ | $ 12.0 |  |

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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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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959 + Details
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- Definition The increase (decrease) during the reporting period in intangible assets (for example patents and licenses). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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- Details
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