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v3.25.1

Others - Additional Information (Detail) $ in Thousands, $ in Thousands |  |  |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 10, 2024 TWD ($) | Jul. 10, 2024 USD ($) | Jul. 10, 2020 TWD ($) | Jul. 10, 2020 USD ($) | Feb. 10, 2020 TWD ($) | Dec. 27, 2019 TWD ($) | Dec. 31, 2013 TWD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 TWD ($) | Jan. 01, 2024
Disclosure Detailed Information About Others [Line Items] |  |  |  |  |  |  |  |  |  |
Administrative fine imposed |  |  | $ 260 | $ 8 |  |  |  |  |  |
Contribution received from Environmental Protection |  |  |  |  |  | $ 55,062 |  |  |  |
Income from fines and penalties | $ 46,952 | $ 1,432 |  |  |  |  |  |  |  |
Consideration paid received |  |  |  |  |  |  |  |  | $ 2,354,938 |
Corporate social responsibilities [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Detailed Information About Others [Line Items] |  |  |  |  |  |  |  |  |  |
Social security contributions | $ 50,000 | $ 1,525 |  |  |  |  |  |  |  |
GAPT Holdings limited [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Detailed Information About Others [Line Items] |  |  |  |  |  |  |  |  |  |
Consideration paid received |  |  |  |  |  |  |  | $ 380,000 |  |
Resolution To Enhance The Shareholding In The Investee [Member] | GAPT Holdings limited [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Detailed Information About Others [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired |  |  |  |  |  |  |  |  |  | 16.48%
Original Fine [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Detailed Information About Others [Line Items] |  |  |  |  |  |  |  |  |  |
Administrative fine imposed |  |  |  |  |  |  | $ 102,014 |  |  |
New Fine [Member] |  |  |  |  |  |  |  |  |  |
Disclosure Detailed Information About Others [Line Items] |  |  |  |  |  |  |  |  |  |
Administrative fine imposed |  |  |  |  | $ 46,952 |  |  |  |  |

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