Financial Instruments - Currency risk (Details) $ in Thousands |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
|
|
| NTD | Financial liabilities | ||
| Statement [line items] | ||
| Foreign currency | $ 1,472,661 | $ 1,246,126 |
| Exchange rate | 31.43 | 32.785 |
| Functional currency | $ 46,855 | $ 38,010 |
| NTD | Financial assets | ||
| Statement [line items] | ||
| Foreign currency | $ 409,509 | $ 235,638 |
| Exchange rate | 31.43 | 32.785 |
| Functional currency | $ 13,029 | $ 7,187 |
| CNY | Financial assets | ||
| Statement [line items] | ||
| Foreign currency | $ 21 | $ 38,575 |
| Exchange rate | 7.0288 | 7.1884 |
| Functional currency | $ 3 | $ 5,366 |
| JPY | Financial liabilities | ||
| Statement [line items] | ||
| Foreign currency | $ 1,249 | $ 375,040 |
| Exchange rate | 156.5239 | 156.1934 |
| Functional currency | $ 8 | $ 2,401 |
| JPY | Financial assets | ||
| Statement [line items] | ||
| Foreign currency | $ 9,400 | $ 352,275 |
| Exchange rate | 156.5239 | 156.1934 |
| Functional currency | $ 60 | $ 2,255 |