v3.25.4
Stock-based compensation - Schedule of Black-Scholes Option-Pricing Model (Details) - 2021 Incentive Award Plan - Share-Based Payment Arrangement, Option
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Share-based compensation    
Risk-free interest rate 4.27% 4.31%
Expected term (in years) 6 years 5 years 10 months 24 days
Expected volatility 51.70% 49.80%
Expected dividend yield 0.00% 0.00%