Equity - Summary of Share Capital (Detail) shares in Thousands, $ in Thousands, $ in Thousands |
Dec. 31, 2025
TWD ($)
shares
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Dec. 31, 2025
USD ($)
shares
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Dec. 31, 2024
TWD ($)
shares
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|---|---|---|---|
| Disclosure of classes of share capital [abstract] | |||
| Numbers of shares authorized (in thousands) | 5,500,000 | 5,500,000 | 5,500,000 |
| Numbers of shares reserved (in thousands) Employee share options | 400,000 | 400,000 | 400,000 |
| Number of shares issued and fully paid (in thousands) | 4,447,977 | 4,447,977 | 4,415,251 |
| Share capital authorized | $ 55,000,000 | $ 1,753,267 | $ 55,000,000 |
| Share capital reserved Employee share options | $ 4,000,000 | $ 127,510 | $ 4,000,000 |
| X | ||||||||||
- Definition Issued capital authorised amount. No definition available.
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- Definition Share capital reserved under options. No definition available.
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- References No definition available.
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- Definition The number of shares authorised. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of shares issued by the entity, for which full payment has been received. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of shares reserved for issue under options and contracts for the sale of shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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