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Commitments and Contingencies - Additional Information (Detail)
SFr in Thousands
Nov. 08, 2021
USD ($)
Nov. 08, 2021
CHF (SFr)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Bacthera Agreement [Member]        
Other Commitments [Line Items]        
Payments to acquire under agreement $ 262,000,000 SFr 240,000    
Long-term manufacturing agreement, additional term period thereafter 3 years 3 years    
Bacthera Agreement [Member] | Maximum [Member]        
Other Commitments [Line Items]        
Long-term manufacturing agreement term period 16 years 16 years    
Indemnification Agreement [Member]        
Other Commitments [Line Items]        
Obligations accrued     $ 0 $ 0
Legal Contingencies [Member]        
Other Commitments [Line Items]        
Obligations accrued     $ 0 $ 0