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Retirement Benefit Plans - Analysis of Timing of the Future Pension Payment (Detail) $ in Thousands | Dec. 31, 2019 TWD ($)
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Disclosure of net defined benefit liability (asset) [Line Items] |
Defined benefit plan expected future pension payments | $ 360,296
Within 1 year [member] |
Disclosure of net defined benefit liability (asset) [Line Items] |
Defined benefit plan expected future pension payments | 35,272
1-2 years [member] |
Disclosure of net defined benefit liability (asset) [Line Items] |
Defined benefit plan expected future pension payments | 34,647
2-5 years [member] |
Disclosure of net defined benefit liability (asset) [Line Items] |
Defined benefit plan expected future pension payments | 122,670
5-10 years [member] |
Disclosure of net defined benefit liability (asset) [Line Items] |
Defined benefit plan expected future pension payments | $ 167,707

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- Definition The present value of the expected payments by a retirement benefit plan to existing and past employees, attributable to the service already rendered. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2019-01-01 -Paragraph 35 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=26&code=ifrs-tx-2019-en-r&anchor=para_35_d&doctype=Standard -URIDate 2019-03-27 + Details
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