v3.26.1
Shanghai Adicet Biotechnology Co., Ltd. (the Adicet VIE) (Additional Information) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Variable Interest Entity [Line Items]        
Expenses $ 22,301 $ 32,392 $ 43,871 $ 62,277
Research and development Expense 18,450 28,424 35,938 51,238
General and administrative Expense $ 3,851 $ 3,968 $ 7,933 $ 11,039