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Income Taxes - Summary of Changes in Valuation Allowance for Deferred Tax Assets (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Abstract] |  |
Valuation allowance as of beginning of year | $ (75,039) | $ (51,980)
Decreases recorded as benefit to income tax provision | 0 | 0
Increases recorded to income tax provision | (27,405) | (23,059)
Valuation allowance as of end of year | $ (102,444) | $ (75,039)

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- Definition Valuation allowance deferred tax asset decrease in amount. + References No definition available. + Details
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- Definition Valuation allowance deferred tax asset increase in amount. + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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- References No definition available. + Details
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