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Financial Assets at Fair Value Through Profit or Loss - Summary of Financial Assets at Fair Value Through Profit or Loss (Detail) $ in Thousands, $ in Thousands | Dec. 31, 2022 TWD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 TWD ($)
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Financial Assets At Fair Value Through Profit Or Loss [line items] |  |  |
Current financial assets mandatorily measured at fair value through profit or loss | $ 128,224 | $ 4,173 | $ 359,960
Listed stocks [member] |  |  |
Financial Assets At Fair Value Through Profit Or Loss [line items] |  |  |
Current financial assets mandatorily measured at fair value through profit or loss | 171,988 |  | 339,679
Valuation adjustments [member] |  |  |
Financial Assets At Fair Value Through Profit Or Loss [line items] |  |  |
Current financial assets mandatorily measured at fair value through profit or loss | $ (43,764) |  | $ 20,281

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- Definition The amount of current financial assets measured at fair value through profit or loss. [Refer: Financial assets at fair value through profit or loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 8 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_8_a&doctype=Standard -URIDate 2022-03-24 + Details
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