Share-based payments - Summary of valuation assumptions of stock option plan (Detail) |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2025
shares
$ / shares
|
Dec. 31, 2024
shares
$ / shares
|
Dec. 31, 2023
shares
$ / shares
|
|
| Disclosure Of Indirect Measurement Of Fair Value Of Goods Or Services Received Share Options Granted During Period [Abstract] | |||
| Dividend yield (%) | 0.00% | 0.00% | 0.00% |
| Expected volatility (%) | 50.10% | 32.10% | 31.40% |
| Risk–free interest rate (%) | 4.30% | 4.10% | 3.90% |
| Expected life of share options (years) | shares | 7 | 10 | 10 |
| Weighted average excercise price | $ / shares | $ 52.4 | $ 29.71 | $ 17.83 |
| Model used | Black & Scholes | Black & Scholes | Black & Scholes |
| X | ||||||||||
- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The option life of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The description of the option pricing model used for share options granted. [Refer: Option pricing model [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The percentage of an expected dividend used to calculate the fair value of share options granted. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The weighted average share price used as input to the option pricing model to calculate the fair value of share options granted. [Refer: Option pricing model [member]; Weighted average [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- References No definition available.
|