Share-based payments - Summary of number and weighted average exercise prices (WAEP) of, and movements in, restricted stock (Detail) |
12 Months Ended | ||||||
|---|---|---|---|---|---|---|---|
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Dec. 31, 2025
shares
$ / shares
|
Dec. 31, 2024
shares
$ / shares
|
Dec. 31, 2023
shares
$ / USD
$ / shares
|
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| Restricted Stock [member] | |||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||||||
| Outstanding as of beginning of period/year | shares | 6,195,656 | 6,633,364 | 6,669,790 | ||||
| Granted during the period/year | shares | 186,585 | 267,033 | 519,025 | ||||
| Cancelled during the year | [1] | (297,558) | (704,741) | (555,451) | |||
| At the end of the period/year | shares | 6,084,683 | 6,195,656 | 6,633,364 | ||||
| Outstanding as of beginning of period/year | $ 7.33 | $ 6.18 | $ 4.89 | ||||
| Granted during the period/year | 49.58 | 32.17 | 17.83 | ||||
| Cancelled during the year | [1] | 10.1 | 5.96 | 2.13 | |||
| At the end of the period/year | $ 8.49 | $ 7.33 | $ 6.18 | ||||
| Performance Restricted Stock [Member] | |||||||
| Disclosure of terms and conditions of share-based payment arrangement [line items] | |||||||
| Outstanding as of beginning of period/year | shares | 5,525,010 | 5,123,346 | 3,705,757 | ||||
| Granted during the period/year | shares | 48,324 | 422,941 | 1,417,589 | ||||
| Cancelled during the year | shares | [2] | (1,520,887) | (21,277) | 0 | |||
| At the end of the period/year | shares | 4,052,447 | 5,525,010 | 5,123,346 | ||||
| Outstanding as of beginning of period/year | $ 11.57 | $ 10.03 | $ 7.05 | ||||
| Granted during the period/year | 51.07 | 30 | 17.83 | ||||
| Cancelled during the year | [2] | 7.05 | 7.05 | 0 | |||
| At the end of the period/year | $ 13.74 | $ 11.57 | $ 10.03 | ||||
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