v3.24.1

Income Tax - Summary of Unrecognized Deferred Tax Assets Related to Loss Carry-forward, Investment Credits and Deductible Temporary Differences (Detail) $ in Thousands, $ in Thousands	Dec. 31, 2023 TWD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 TWD ($)
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]
Loss carry-forward	$ 1,759,044	$ 57,447	$ 1,549,286
Investment credits	77,436	2,529	94,932
Deductible temporary differences	210,897	6,888	273,290
Unrecognized deferred tax assets	$ 2,047,377	$ 66,864	$ 1,917,508

X

- Definition

Unrecognized deferred tax assets.

+ References

No definition available.

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X

- Definition

The amount of deductible temporary differences for which no deferred tax asset is recognised in the statement of financial position. [Refer: Temporary differences [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 81
-Subparagraph e
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- References

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- Definition

The amount of unused tax credits for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax credits [member]]

+ References

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-Name IAS
-Number 12
-IssueDate 2023-01-01
-Paragraph 81
-Subparagraph e
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X

- Definition

The amount of unused tax losses for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax losses [member]]

+ References

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