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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, 2023 TWD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 TWD ($) | Dec. 31, 2021 TWD ($)
Financial Assets At Fair Value Through Profit Or Loss [line items] |  |  |  |
Financial assets mandatorily measured at fair value through profit or loss | $ 39,254 | $ 1,282 | $ (69,404) | $ 15,262
Foreign partnership interests [member] |  |  |  |
Financial Assets At Fair Value Through Profit Or Loss [line items] |  |  |  |
Financial assets mandatorily measured at fair value through profit or loss |  |  |  | (941)
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 | 17,253 |  | 5,807 | 2,530
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 | $ 22,001 |  | $ (75,211) | $ 13,673

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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 2023-01-01 -Paragraph 20 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20_a_i&doctype=Standard -URIDate 2023-03-23 + Details
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