Share-based compensation - Summary of Black-Scholes Option-Pricing Models (Details) - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Disclosure Of Share Based Payments [Line Items] | |||
| Weighted-average share price (in dollars per share) | $ 275.89 | $ 128.33 | $ 124.47 |
| Bottom of Range | |||
| Disclosure Of Share Based Payments [Line Items] | |||
| Expected volatility (%) | 49.90% | 51.50% | 35.90% |
| Risk-free interest rate (%) | 3.50% | 3.50% | 0.90% |
| Expected life of stock options (years) | 2 years 7 months 6 days | 2 years 7 months 6 days | 2 years 7 months 6 days |
| Top of Range | |||
| Disclosure Of Share Based Payments [Line Items] | |||
| Expected volatility (%) | 57.60% | 61.20% | 60.00% |
| Risk-free interest rate (%) | 4.90% | 4.90% | 4.50% |
| Expected life of stock options (years) | 4 years 9 months 18 days | 4 years 9 months 18 days | 4 years 9 months 18 days |