Earnings per Share - Weighted Average Number of Common Shares Outstanding (Detail) - shares |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|---|---|---|---|---|
| Earnings per Share [Line Items] | ||||
| Issued shares | 214,790,053 | 214,790,053 | ||
| Number of common shares outstanding | 212,982,275 | 212,886,342 | 212,699,730 | 218,032,053 |
| Number of weighted average shares outstanding | 212,848,138 | 217,264,615 | ||
| Parent Company [Member] | ||||
| Earnings per Share [Line Items] | ||||
| Issued shares | 214,790,053 | 218,833,144 | 218,833,144 | |
| Treasury shares | (1,903,711) | (6,133,414) | (801,091) | |
| Acquisition of treasury shares | (317,000) | (5,773,410) | ||
| Disposal of treasury shares | 95,933 | 503,612 | 441,087 | |
| Number of common shares outstanding | 212,982,275 | |||
| Weighted average shares issued | 214,790,053 | 218,833,144 | 218,833,144 | |
| Weighted average treasury shares | (1,903,711) | (6,133,414) | (801,091) | |
| Acquisition of weighted average treasury shares | (315,314) | (1,154,633) | ||
| Disposal of weighted average treasury shares | 66,719 | 463,722 | 387,195 | |
| Number of weighted average shares outstanding | 212,953,061 |