v3.26.1
Capital risk management and fair value measurements - Financial instruments that are measured at fair value (Details)
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Capital risk management and fair value measurements  
Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period $ 0.0
Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period 0.0
Transfers into Level 3 of fair value hierarchy, assets 0.0
Transfers out of Level 3 of fair value hierarchy, assets 0.0
Transfers out of Level 1 into Level 2 of fair value hierarchy, liabilities held at end of reporting period 0.0
Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities held at end of reporting period 0.0
Transfers into Level 3 of fair value hierarchy, liabilities 0.0
Transfers out of Level 3 of fair value hierarchy, liabilities $ 0.0