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Non-current Financial Assets at Fair Value Through Other Comprehensive Income - Summary of Non-current Financial Assets at Fair Value Through Other Comprehensive Income (Detail) - TWD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Financial assets at fair value through other comprehensive income [line items] |  |
Designation of equity instruments | $ 262,007 | $ 121,808
Foreign unlisted stocks [member] |  |
Financial assets at fair value through other comprehensive income [line items] |  |
Designation of equity instruments | 38,534 | 38,534
Valuation adjustments [member] |  |
Financial assets at fair value through other comprehensive income [line items] |  |
Designation of equity instruments | $ 223,473 | $ 83,274

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- Definition The amount of non-current investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: Investments in equity instruments designated at fair value through other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2020-01-01 -Paragraph 8 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2020-en-r&anchor=para_8_h&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition Financial assets at fair value through other comprehensive income [line items] + References No definition available. + Details
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- Details
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