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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Operating Loss Carryforwards [Line Items] |  |  |
Deferred tax assets, valuation allowance | $ 58,235 | $ 39,084 |
Unrecognized tax benefits | 835 | 800 | $ 800
Effective tax rate | 667 | 632 |
Operating loss carryforwards | 195,305 | 143,712 |
Deferred tax liabilities | $ 6,762 |  |
Decreased valuation allowance |  | 6,296 |
Capitalized costs amortization | Capitalized costs are required to be amortized over five years (15 years for expenditures attributable to foreign research). |  |
Indefinite Carryforward |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards, description | carryforward indefinitely and are available to offset up to 80% of future taxable income each year. |  |
Domestic Tax Authority |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | $ 57,135 | 57,135 |
Expiration year | 2034 |  |
Domestic Tax Authority | Indefinite Carryforward |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | $ 138,170 | 86,577 |
State |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Operating loss carryforwards | $ 19,587 | 10,769 |
Expiration year | 2035 |  |
Accrued Interest And Penalties [Member] |  |  |
Operating Loss Carryforwards [Line Items] |  |  |
Accrued interest and penalties | $ 0 | $ 0 |

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