v3.26.1
Income taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Income Tax Disclosure [Abstract]        
Effective income tax rate 36.20% 29.30% 28.30% 28.30%
Federal statutory income tax rate     21.00%  
Valuation allowance increase, capital loss carryforward     $ 2.3