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Property, Plant and Equipment, Net - Capitalization Interest and Capitalization Interest Rate Applied Related to Property, Plant and Equipment (Detail) - TWD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about property, plant and equipment [abstract]      
Amount of interest capitalized $ 7,692 $ 10,856 $ 11,193
Range of the interest rates for capitalization 1.4588% 1.0094% 1.1358%