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Equity-Settled Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Summary of Options | The options usually lapse after one year following the employee leaving the Group.
|  | 2024 |  |  | 2023 |  |  | 2022 |
|  | Number of ADSs (1) |  |  | Weighted Average Exercise price |  |  | Aggregate Intrinsic Value |  |  | Number of ADSs (1) |  |  | Weighted Average Exercise price |  |  | Aggregate Intrinsic Value |  |  | Number of ADSs (1) |  |  | Weighted Average Exercise price |  |  | Aggregate Intrinsic Value |
|  |  |  |  | $ |  |  | $ |  |  |  |  |  | $ |  |  | $ |  |  |  |  |  | $ |  |  | $ |
Options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding at the beginning of the year |  |  | 5,284,486 |  |  |  | 14.80 |  |  |  | - |  |  |  | 3,857,162 |  |  |  | 15.10 |  |  |  | - |  |  |  | 2,684,233 |  |  |  | 7.32 |  |  |  | - |
Granted during the year |  |  | 1,267,514 |  |  |  | 18.05 |  |  |  | - |  |  |  | 2,567,942 |  |  |  | 14.01 |  |  |  | - |  |  |  | 1,940,377 |  |  |  | 22.30 |  |  |  | - |
Lapsed or forfeited during the year |  |  | (264,056 | ) |  |  | 19.82 |  |  |  | - |  |  |  | (871,309 | ) |  |  | 18.50 |  |  |  | - |  |  |  | (709,531 | ) |  |  | 29.25 |  |  |  | - |
Exercised during the year |  |  | (469,481 | ) |  |  | 6.55 |  |  |  | - |  |  |  | (269,309 | ) |  |  | 1.89 |  |  |  | - |  |  |  | (57,917 | ) |  |  | 3.20 |  |  |  | - |
Outstanding at the year-end (ADS/$) |  |  | 5,818,463 |  |  |  | 15.95 |  |  |  | - |  |  |  | 5,284,486 |  |  |  | 14.80 |  |  |  | 13,264,060 |  |  |  | 3,857,162 |  |  |  | 15.10 |  |  |  | 578,574 |
Exercisable at the year-end |  |  | 2,870,106 |  |  |  | 15.94 |  |  |  | - |  |  |  | 2,420,614 |  |  |  | 14.34 |  |  |  | - |  |  |  | 1,889,460 |  |  |  | 13.24 |  |  |  | - |
Summary Fair Value of Options Granted were Calculated Using Black Scholes Model | The fair value of options granted were calculated using Black Scholes model. Inputs into the model were as follows:
|  | 2024 |  |  | 2023 |  |  | 2022 |
Inputs and assumptions for options granted in the year: |  |  |  |  |  |  |  |  |
Weighted average ADS price ($) |  |  | 18.1 |  |  |  | 14.0 |  |  |  | 19.5 |
Weighted average ADS price ($) |  |  | 18.1 |  |  |  | 14.0 |  |  |  | 24.4 |
Option life (years) |  | 6.2 |  |  |  | 6.0 |  |  |  | 8.9 |
Expected volatility |  | 74.4%-78.6% |  |  | 72%-79% |  |  | 56%-74% |
Risk free rate |  | 3.39%-3.97% |  |  | 3.16%-4.43% |  |  | 1.16%-3.57% |
Expected dividend yield |  | nil |  |  | nil |  |  | nil |
Weighted average grant data fair value ($) |  | 12.6 |  |  | 9.4 |  |  | 11.5 |

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