Treasury Shares - Summary of Changes in Treasury Shares (Detail) - shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of Changes in treasury shares [Abstract] | ||
| Treasury shares at January 1 | 1,903,711 | 6,133,414 |
| Acquisition | 0 | 317,000 |
| Disposal | (95,933) | (503,612) |
| Retirement of treasury shares | 0 | (4,043,091) |
| Treasury shares at December 31 | 1,807,778 | 1,903,711 |