Related Party Transactions - Additional Information (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
Consulting and Histopathology Services [Member] | |||
Related Party Transaction [Line Items] | |||
Expenses for consulting and histopathology services | $ 0.2 | $ 0.2 | $ 0.3 |