v3.26.1
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
ALK Co-Promotion Agreement [Member]    
Unrecorded Unconditional Purchase Obligation [Line Items]    
Commitments $ 28.3  
Commitments, 2026 4.4  
Commitments, 2027 14.6  
Commitments, 2028 5.8  
Commitments, 2029 3.6  
Purchase obligations amount made 0.0 $ 0.0
Food Allergy Research and Education Inc [Member]    
Unrecorded Unconditional Purchase Obligation [Line Items]    
Commitments 5.0  
Commitments, 2026 4.0  
Commitments, 2027 1.0  
Purchase obligations amount made 1.0 2.0
Inventories [Member]    
Unrecorded Unconditional Purchase Obligation [Line Items]    
Unconditional purchase obligations 55.3  
Unconditional purchase obligations, 2026 9.1  
Unconditional purchase obligations, 2027 11.8  
Unconditional purchase obligations, 2028 13.8  
Thereafter through 2035 2.9  
Purchase obligations amount made $ 1.6 $ 4.3