v3.26.1
Share capital - Schedule of Common Shares (Details)
$ in Thousands
 4 Months Ended 6 Months Ended
May 08, 2026
shares
Mar. 10, 2026
shares
May 09, 2025
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Number of shares            
Exercise of stock options (in shares) | shares         93,327 15,339
Amount            
Balance at beginning of period         $ 244,605  
Exercise of stock options         91 $ 314
Issuance of common shares under employee share purchase plan         200 236
Release of restricted share units         0 0
Purchase of common shares held for cancellation         (80,915) $ (44,441)
Balance at end of period       $ 212,778 $ 212,778  
Share capital repurchase amount (in shares) | shares 1,269,702   1,481,659      
Share capital public float percent 5.00%   5.00%      
Share capital            
Number of shares            
Balance at beginning of period (in shares) | shares         28,747,289 30,255,955
Exercise of stock options (in shares) | shares         93,327 15,339
Issuance of common shares under employee share purchase plan (in shares) | shares         11,081 6,529
Release of restricted share units (in shares) | shares         53,160 32,101
Purchase of common shares held for cancellation (in shares) | shares   (2,941,176)   (1,077,544) (4,018,720) (1,529,256)
Balance at end of period (in shares) | shares       24,886,137 24,886,137 28,789,396
Amount            
Balance at beginning of period         $ 244,605  
Exercise of stock options         130 $ 459
Issuance of common shares under employee share purchase plan         226 283
Release of restricted share units         1,775 1,315
Purchase of common shares held for cancellation         (33,958) $ (11,967)
Balance at end of period       $ 212,778 $ 212,778