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Financial Assets at Amortized Cost - Summary of Financial Assets at Amortized Cost (Detail) $ in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023 TWD ($)	Dec. 31, 2022 TWD ($)	Dec. 31, 2021 TWD ($)	Dec. 31, 2023 USD ($)
Financial Instruments At Amortised Cost Category [Line Items]
Time deposits	$ 41,066	$ 98,731		$ 1,341
Restricted bank deposits	37,411	37,362		$ 1,222
Interest income	1,861	587	$ 1,187
Time Deposits
Financial Instruments At Amortised Cost Category [Line Items]
Time deposits	41,066	98,731
Restricted Bank Deposits
Financial Instruments At Amortised Cost Category [Line Items]
Restricted bank deposits	$ 37,411	$ 37,362

X

- Definition

The amount of current financial assets measured at amortised cost. [Refer: Financial assets at amortised cost]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 8
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8_f&doctype=Standard
-URIDate 2023-03-23

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X

- Definition

The amount of revenue arising from interest for financial assets that are measured at amortised cost. [Refer: Interest income; Financial assets at amortised cost]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 20
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20_b&doctype=Standard
-URIDate 2023-03-23

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X

- Definition

The amount of non-current financial assets measured at amortised cost. [Refer: Financial assets at amortised cost]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 8
-Subparagraph f
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_8_f&doctype=Standard
-URIDate 2023-03-23

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- Definition

Financial instruments at amortised cost category.

+ References

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