Equity Transaction with Non-controlling Interests - Additional Information (Detail) shares in Thousands, $ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2025
TWD ($)
shares
|
Dec. 31, 2025
USD ($)
shares
|
Dec. 31, 2024
TWD ($)
shares
|
Dec. 31, 2025
USD ($)
shares
|
|
| USISH [Member] | ||||
| Increase (decrease) in capital surplus | $ 271,589 | $ 186,404 | $ 8,658 | |
| Number of shares approved for repurchase | 6,321 | 6,740 | 6,321 | |
| USISH Bonds [Member] | ||||
| Increase (decrease) in capital surplus | $ 3,177,227 | $ 101,282 | ||
| Convertible bonds converted to ordinary shares | 75,691 | 75,691 | ||
| AMPI [Member] | ||||
| Increase (decrease) in capital surplus | $ 68,093 | $ 63,649 | $ 2,171 | |
| Increase (decrease) in retained earnings | $ | $ 5,439 | |||
| AMPI [Member] | Public Tender Offer [Member] | ||||
| Consideration Paid In Cash | $ 57,475 | $ 1,832 | ||
| Share Capital Subscribed | 6,386 | 6,386 | ||