Organization - Additional Information (Detail) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2021
USD ($)
Segment
|
Dec. 31, 2020
USD ($)
|
Dec. 31, 2019
USD ($)
|
|
| Organization Consolidation And Presentation Of Financial Statements [Abstract] | |||
| Number of operating segments | Segment | 1 | ||
| Net losses | $ 75,082 | $ 105,314 | $ 94,433 |
| Net cash used in operating activities | 50,678 | 89,102 | $ 85,011 |
| Accumulated deficit | 401,384 | $ 326,302 | |
| Cash, cash equivalents and marketable securities | $ 206,300 | ||