Other Income - Summary of Other income (Detail) - TWD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Analysis of other income [Abstract]
Rental income	$ 48,264	$ 35,848	$ 17,326
Grant income	22,727	21,327	12,480
Dividend income	6,592	9,816	4,690
Other non-operating income (expenses), net	$ 77,583	$ 66,991	$ 34,496

The amount of dividends recognised as income. Dividends are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2023-01-01
-Paragraph 112
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard
-URIDate 2023-03-23

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