v3.26.1
Income taxes (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Income Tax Disclosure [Abstract]    
Effective income tax rate 23.20% 27.50%
Federal statutory income tax rate 21.00%  
Valuation allowance increase, capital loss carryforward $ 2.3