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Financial Assets at Fair Value Through Profit or Loss - Summary of Amounts recognized in Profit or Loss in Relation to Financial Assets at Fair Value Through Profit or Loss (Detail) $ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2024 TWD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 TWD ($) | Dec. 31, 2022 TWD ($)
Financial Assets At Fair Value Through Profit Or Loss [line items] |  |  |  |
Financial assets mandatorily measured at fair value through profit or loss | $ 48,101 | $ 1,467 | $ 39,254 | $ (69,404)
Beneficiary certificates [member] |  |  |  |
Financial Assets At Fair Value Through Profit Or Loss [line items] |  |  |  |
Financial assets mandatorily measured at fair value through profit or loss | 21,866 |  | 17,253 | 5,807
Listed stocks [member] |  |  |  |
Financial Assets At Fair Value Through Profit Or Loss [line items] |  |  |  |
Financial assets mandatorily measured at fair value through profit or loss | $ 26,235 |  | $ 22,001 | $ (75,211)

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- Definition The gains (losses) on financial assets mandatorily measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Financial assets at fair value through profit or loss, mandatorily measured at fair value; Gains (losses) on financial assets at fair value through profit or loss; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph 20 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_20_a_i&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition Financial assets at fair value through profit or loss. + References No definition available. + Details
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