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Common Stock and Warrants - Additional Information (Detail) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Aug. 06, 2020 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Class Of Stock [Line Items] |  |  |  |
Common stock, shares outstanding |  | 129,530,228 | 127,604,000 |
Change in fair value of warrant liability |  | $ 0 | $ (1,801) | $ 49,354
Warrants |  |  |  |
Class Of Stock [Line Items] |  |  |  |
Number of common stock warrants exercised |  |  | 1,882,600 |
Proceeds from warrants exercised |  | 8,500 |  |
Warrants | Other Income (Expense) |  |  |  |
Class Of Stock [Line Items] |  |  |  |
Change in fair value of warrant liability |  |  | $ 1,800 |
2017 ATM Agreement |  |  |  |
Class Of Stock [Line Items] |  |  |  |
Remaining proceeds from common stock, under sales agreement |  | $ 120,000 |  |
Maximum |  |  |  |
Class Of Stock [Line Items] |  |  |  |
Common stock sales agreement aggregate sales proceeds | $ 120,000 |  |  |
Maximum | 2017 ATM Agreement |  |  |  |
Class Of Stock [Line Items] |  |  |  |
Commission on gross sales proceeds of common stock | 3.00% |  |  |

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