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Stockholders' Equity - Additional Information (Detail) - USD ($) |  | 12 Months Ended
--- | --- | ---
Aug. 23, 2019 | Dec. 31, 2024 | Dec. 31, 2023
ATM Agreement |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Issuance of common stock in a private transaction, net of issuance costs, shares |  | 0 | 0
2019 at-the-market issuance sales agreement | B. Riley FBR |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Sales commission as a percentage of gross proceeds | 3.50% |  |
2019 at-the-market issuance sales agreement | Maximum | B. Riley FBR |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock purchase agreement, aggregate amount of common stock agreed to be purchased | $ 75,000,000.0 |  |

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