Income Taxes - Summary of the Company's Deferred Income Tax Asset Valuation Allowance (Detail) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Valuation Allowance [Abstract] | ||
| Balance at beginning of year | $ 17,001 | $ 9,343 |
| Additions charged to expense | 4,465 | 7,658 |
| Balance at end of year | $ 21,507 | $ 17,001 |
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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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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