v3.25.4
Financial instruments and risks - Additional Information (Detail) - USD ($)
$ in Thousands
 2 Months Ended 12 Months Ended
Jan. 23, 2026
May 02, 2024
Mar. 03, 2026
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Oct. 30, 2025
Sep. 30, 2025
Dec. 31, 2022
 [1]
Disclosure Of Financial Instruments [Line Items]                  
Cash and cash equivalents       $ 70,289 $ 80,226 [1] $ 123,251 [1]     $ 161,305
Number of shares sold under ATM program (in shares)       228,238          
Gross proceeds from shares sold under ATM program       $ 1,093 0 [1] 0 [1]      
Within 1 year                  
Disclosure Of Financial Instruments [Line Items]                  
Contractual cash interest payments         1,600        
Between 1 and 5 years                  
Disclosure Of Financial Instruments [Line Items]                  
Contractual cash interest payments         5,400        
Major ordinary share transactions                  
Disclosure Of Financial Instruments [Line Items]                  
Number of shares sold under ATM program (in shares)     2,795,485            
Gross proceeds from shares sold under ATM program     $ 14,300            
Perceptive Credit Agreement                  
Disclosure Of Financial Instruments [Line Items]                  
Draw down of term loans   $ 50,000   35,000 15,000        
Borrowings amount       $ 47,733 13,237 $ 0      
Basis point change in interest rate       1.00%          
Change in cash interest costs       $ 500 200        
Perceptive Credit Agreement | Gross carrying amount                  
Disclosure Of Financial Instruments [Line Items]                  
Borrowings amount       50,000 15,000        
Perceptive Credit Agreement | Major Borrowing Transactions                  
Disclosure Of Financial Instruments [Line Items]                  
Additional borrowings $ 25,000                
Cash And Cash Equivalents and Term Deposits                  
Disclosure Of Financial Instruments [Line Items]                  
Maximum exposure to credit risk       24,400 $ 26,100        
Genesis Healthcare | Equity investments                  
Disclosure Of Financial Instruments [Line Items]                  
Financial assets at fair value through profit or loss       $ 2,000     $ 1,500 $ 500  
[1] Refer to “Note 2—Material Accounting Policies—Statement of Cash Flows - Interest Classification” for details on change in accounting policy.