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Inventories Related to Real Estate Business - Additional Information (Detail)
$ in Thousands, $ in Thousands
Dec. 31, 2022
TWD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
TWD ($)
Disclosure of detailed information about property, plant and equipment [Line Items]      
Inventories related to real estate business expected to be recovered longer than twelve months $ 5,488,676 $ 178,610 $ 5,412,114