Income Taxes - Summary of changes in the gross amount of unrecognized tax benefits (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
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Dec. 31, 2020 |
Dec. 31, 2019 |
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| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | ||
| Unrecognized tax benefits, beginning of the year | $ 2,872 | $ 1,299 |
| Increases related to prior year tax positions | 0 | 0 |
| Decreases related to prior year tax positions | 0 | 0 |
| Increases related to current year tax positions | 2,123 | 1,573 |
| Unrecognized tax benefits, end of year | $ 4,995 | $ 2,872 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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