Income Taxes - Valuation Allowance (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Deferred Tax Asset, Valuation Allowance [Roll Forward] | |||
| Balance at beginning of the year | $ 26,052 | $ 20,537 | $ 13,093 |
| Charged to costs and expense | 14,049 | 5,515 | 7,444 |
| Balance at end of the year | $ 40,101 | $ 26,052 | $ 20,537 |
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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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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Deferred Tax Asset, Valuation Allowance No definition available.
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