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Business Combinations - Summary of Subsidiary Acquired (Detail) $ in Thousands, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 TWD ($) | Dec. 31, 2021 USD ($)
AMPI [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Principal Activity | Engaged in the manufacturing of integrated circuit |
Date of Acquisition | Apr. 30, 2019 |
Proportion of Voting Equity Interests Acquired | 50.97% | 50.97%
Cash Consideration | $ 250,000 |
ASEEE [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Principal Activity | Engaged in the production of embedded substrate |
Date of Acquisition | Apr. 26, 2019 |
Proportion of Voting Equity Interests Acquired | 51.00% | 51.00%
Cash Consideration | $ 0 |
USIPL [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Principal Activity | Engaged in the design and manufacturing of electronic components and new electronic applications |
Date of Acquisition | Oct. 31, 2019 |
Proportion of Voting Equity Interests Acquired | 60.00% | 60.00%
Cash Consideration | $ 313,057 |
FAFG [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Principal Activity | Holding company and the group engaged in the design and manufacturing of electronic components |
Date of Acquisition | Dec. 01, 2020 |
Proportion of Voting Equity Interests Acquired | 100.00% | 100.00%
Cash Consideration | $ 12,443,637 |
ITGEU [member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Principal Activity | Trading company |
Date of Acquisition | Oct. 21, 2021 |
Proportion of Voting Equity Interests Acquired | 100.00% | 100.00%
Cash Consideration | $ 50,368 | $ 1,816
SER [Member] |  |
Disclosure of detailed information about business combination [Line Items] |  |
Principal Activity | Engaged in the design and manufacturing of electronic components |
Date of Acquisition | Nov. 02, 2021 |
Proportion of Voting Equity Interests Acquired | 100.00% | 100.00%
Cash Consideration | $ 217,919 | $ 7,856

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- Definition The fair value, at acquisition date, of the consideration transferred in a business combination. [Refer: Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph B64 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64_f&doctype=Appendix&subtype=B -URIDate 2021-03-24 + Details
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