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Fair Value Measurements - Summary of changes in the fair value of warrant liabilities (Detail) - USD ($) | 3 Months Ended | 4 Months Ended
--- | --- | ---
Mar. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2020
Disclosure of Changes in the Fair Value of Warrant Liabilities [Line Items] |  |  |
Beginning balance | $ 15,090,000 |  |
Change in valuation inputs or other assumptions | 436,667 |  | $ 1,690,000
Ending balance | 15,526,667 | $ 15,090,000 | 15,090,000
Warrant Liability - Private Placement Warrants [Member] |  |  |
Disclosure of Changes in the Fair Value of Warrant Liabilities [Line Items] |  |  |
Beginning balance | 5,506,667 | 4,900,000 |
Change in valuation inputs or other assumptions | 186,667 | 606,667 |
Ending balance | 5,693,334 | 5,506,667 | 5,506,667
Warrant Liability - Public Warrants [Member] |  |  |
Disclosure of Changes in the Fair Value of Warrant Liabilities [Line Items] |  |  |
Beginning balance | 9,583,333 | 8,500,000 |
Change in valuation inputs or other assumptions | 250,000 | 1,083,333 |
Ending balance | 9,833,333 | 9,583,333 | 9,583,333
Warrant Liabilities [Member] |  |  |
Disclosure of Changes in the Fair Value of Warrant Liabilities [Line Items] |  |  |
Beginning balance | 15,090,000 | 13,400,000 |
Change in valuation inputs or other assumptions | 436,667 | 1,690,000 |
Ending balance | $ 15,526,667 | $ 15,090,000 | $ 15,090,000

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- Definition Disclosure Of Changes In The Fair Value Of Warrant Liabilities [Line Items] + References No definition available. + Details
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- Definition Warrant liability. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Amount of expense (income) related to adjustment to fair value of warrant liability. + 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 (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section 25 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875 + Details
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- Details
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