v3.26.1
Credit risk from financial instruments (Details) - Credit Concentration Risk - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Credit risk from financial instruments          
Maximum credit exposure $ 23,100,000   $ 23,100,000   $ 21,800,000
Impairment $ 0 $ 0 $ 0 $ 0