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Trade Receivables, Net - Summary of Movements of Loss Allowance of Trade Receivables (Detail) - Trade receivables [member] $ in Thousands, $ in Thousands | 12 Months Ended
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Dec. 31, 2022 TWD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 TWD ($) | Dec. 31, 2020 TWD ($)
Disclosure of financial assets [Line Items] |  |  |  |
Beginning balance | $ 103,353 | $ 3,363 | $ 97,358 | $ 136,497
Remeasurement of loss allowance | 59,490 | 1,936 | 17,078 | (55,742)
Reclassification | 0 | 0 | 0 | (6,970)
Acquisition through business combinations | 0 | 0 | 0 | 32,460
Amounts written off | 0 | 0 | (399) | (3,944)
Disposal of subsidiaries | 0 | 0 | (4,637) | 0
Effects of foreign currency exchange differences | 1,565 | 51 | (6,047) | (4,943)
Ending balance | $ 164,408 | $ 5,350 | $ 103,353 | $ 97,358

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- Definition Disposal of subsidiaries of allowance on trade receivable. + References No definition available. + Details
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- Definition Increase (decrease) through acquisition through business combinations, allowance account for credit losses of financial assets. + References No definition available. + Details
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- Definition Increase (decrease) through Net remeasurement of loss allowance, allowance account for credit losses of financial assets. + References No definition available. + Details
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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in an allowance account for credit losses of financial assets resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition The decrease in an allowance account for credit losses of financial assets resulting from the utilisation of the allowance. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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