XML 165 R106.htm IDEA: XBRL DOCUMENT v3.25.1
Income taxes - Summary of change in net deferred tax position (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Net deferred income tax liability    
Deferred tax liability (asset) at end of period $ 415,452 $ 384,361
Deferred income tax expense (recovery) in the statements of operations 20,671 (28,229)
Deferred tax expense in the consolidated statements of other comprehensive income 10,419 2,371
Deferred tax liability (asset) at beginning of period $ 384,361 $ 410,219