v3.26.1
Collaboration, Out-Licensing and Related Agreements - Additional Information (Detail)
$ in Thousands, € in Millions
1 Months Ended 3 Months Ended 6 Months Ended 10 Months Ended 12 Months Ended
Nov. 09, 2024
Jun. 30, 2025
USD ($)
Jun. 30, 2025
EUR (€)
May 31, 2025
Doctor
Nov. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2024
EUR (€)
Mar. 31, 2024
USD ($)
Feb. 28, 2023
USD ($)
Feb. 28, 2023
EUR (€)
Mar. 31, 2021
USD ($)
Sep. 30, 2020
EUR (€)
Apr. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2023
USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Other accrued liabilities                             $ 3,402     $ 3,402   $ 4,605    
Financing liability                             74,927     74,927   72,140    
Revenue under collaboration agreements                             33,658   $ 15,717 56,339 $ 23,690      
Japan [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Revenue under collaboration agreements                             3,365              
EEA License [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Performance obligation, transaction price         $ 69,400                                  
ROW License [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Performance obligation, transaction price         73,100                                  
Development and Regulatory Services [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Performance obligation, transaction price         2,600                                  
Alfresa Agreement [Member] | License Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Initial Transaction Price                         $ 7,000                  
Revenue under collaboration agreements                             0   0 0 0      
Alfresa Agreement [Member] | License Agreement [Member] | Japan [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Upfront Payment                         $ 2,000 $ 2,000       15,000        
License Agreement Expiration Term                         10 years                  
Regulatory milestone payment                         $ 5,000                  
Recordati Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Royalty expense payable                             200   $ 100 200 $ 100      
Recordati Agreement [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Milestone Payments           $ 2,100 € 2.0                              
Recordati Agreement [Member] | License Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Upfront Payment                                         $ 11,800  
Regulatory milestone payment                                         $ 6,000  
Recordati Agreement [Member] | Termination Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Upfront Payment                 $ 3,300 € 3.0                        
Aggregate milestone payments   $ 5,900 € 5.0                                      
Estimated Life of Finite Lived Intangible Assets   13 years 6 months                             13 years 6 months   13 years 6 months      
Revenue recognized under the ALK Collaboration Agreement                                       0    
Recordati Agreement [Member] | Termination Agreement [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Upfront Payment | €                       € 3.0                    
Recordati Agreement [Member] | In Process Research and Development [Member] | Termination Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Contract with Customer, Liability                                           $ 3,100
Recordati Agreement [Member] | European Medicines Agency [Member] | Termination Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Milestone Payments | €                   2.0                        
Recordati Agreement [Member] | First commercial sale of Recordati Licensed Product [Member] | Termination Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Milestone Payments | €                   5.0                        
Recordati Agreement [Member] | Aggregate sale of Recordati Licensed Product [Member] | Termination Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Royalty payments | €                   € 5.0                        
Pediatrix Agreement [Member] | License Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
License Agreement Expiration Term                     10 years                      
Initial Transaction Price                     $ 3,000                      
Upfront payment and achievement of regulatory and commercial milestones                             7,000     7,000        
Revenue under collaboration agreements                             0   $ 0 0 $ 0      
Pediatrix Agreement [Member] | License Agreement [Member] | Maximum [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Sales-Based Milestones                                   80,000        
Seqirus Agreement [Member] | License Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
License Agreement Expiration Term               15 years                            
Initial Transaction Price               $ 500                            
Upfront payment and achievement of regulatory and commercial milestones                             2,600     2,600        
Revenue under collaboration agreements                             0   0 0 0      
Seqirus Agreement [Member] | License Agreement [Member] | Maximum [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Regulatory and commercial milestones payments                                   2,300        
ALK Collaboration Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Contract with Customer, Liability                             1,650     1,650   $ 1,739    
Upfront payment and achievement of regulatory and commercial milestones                             155,000     $ 155,000        
ALK Collaboration Agreement [Member] | License Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Upfront Payment         $ 145,000                                  
License Agreement Expiration Term         15 years                         15 years        
Regulatory milestone payment                               $ 5,000            
Regulatory and Commercial Sales Milestones         $ 20,000                                  
Revenue under collaboration agreements                               $ 2,500            
Purchase Commitment Period 5 years                                          
ALK Collaboration Agreement [Member] | License Agreement [Member] | Maximum [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Regulatory milestone payment         10,000                         $ 10,000        
Sales-Based Milestones         300,000                         300,000        
ALK Collaboration Agreement [Member] | EEA License [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Financing liability                             74,200     74,200        
ALK Collaboration Agreement [Member] | Development and Regulatory Services [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Contract with Customer, Liability                             2,500     2,500        
Revenue under collaboration agreements                             100   100 200 200      
ALK Collaboration Agreement [Member] | First Commercial Sale Of Neffy [Member] | License Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Upfront payment and achievement of regulatory and commercial milestones         $ 10,000                                  
ALK Co-Promotion Agreement [Member]                                            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                            
Number of pediatricians | Doctor       10,000                                    
Performance based bonus payments percentage       30.00%                                    
Transaction under agreement with A.L.K U.S       Payments to ALK U.S. for the services performed during the first year of the arrangement will be deferred and paid in the second year of the arrangement. In addition to the base fee, ALK U.S. will be eligible to receive performance-based bonus payments from the Company starting in the second year of the arrangement equal to 30% of the portion of neffy net sales generated from the ALK U.S.-targeted prescribers in excess of a specified initial market share threshold in year two or a 50% market share threshold during years three and four of the arrangement.                                    
Threshold percentage       50.00%                                    
Other accrued liabilities   $ 1,400                             $ 1,400   $ 1,400      
Co-promotion agreement expense                             $ 2,400     $ 5,200