Annual report pursuant to Section 13 and 15(d)

Research and Development Agreements - Schedule of Research and Development Revenues Disaggregated by Location (Detail)

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Research and Development Agreements - Schedule of Research and Development Revenues Disaggregated by Location (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Revenue Recognition [Line Items]    
Total revenue $ 57,306 $ 19,754
Research and development revenue    
Revenue Recognition [Line Items]    
Total revenue 52,625 19,754
Research and development revenue | UNITED STATES    
Revenue Recognition [Line Items]    
Total revenue $ 52,625 17,168
Research and development revenue | JAPAN    
Revenue Recognition [Line Items]    
Total revenue   $ 2,586