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Equity - Schedule Of Detailed Information About Hedges Of Net Investments Of Foreign Operations (Details) - 12 months ended Dec. 31, 2020 $ in Thousands, $ in Thousands	TWD ($)	USD ($)
Disclosure of detailed information about hedges [line items]
Foreign currency risk – loans denominated in foreign currency	$ (429,265)	$ (15,287)
Balance at December 31	$ (429,265)	$ (15,287)

X

- Definition

Gain loss on foreign currency risk loans denominated in foreign currency

+ References

No definition available.

+ Details

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Balance Type:	credit
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X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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X

- Definition

The gains (losses) recognised in other comprehensive income on hedges of net investments in foreign operations, net of tax. [Refer: Other comprehensive income]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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