v3.26.1
Stock-based compensation - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of shares available for grant (in shares) 2,547,535   2,547,535  
Restricted stock units - Unvested        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock based compensation expense $ 13.0 $ 0.6 $ 32.2 $ 1.2
Unrecognized compensation cost $ 47.5   $ 47.5  
Unrecognized compensation cost, period for recognition     1 year