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Lease Arrangements - Summary of Lease Liabilities (Detail)
$ in Thousands, $ in Thousands
Dec. 31, 2022
TWD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
TWD ($)
Lease liabilities [abstract]      
Current $ 979,612 $ 31,878 $ 809,536
Non-current $ 6,728,875 $ 218,968 $ 6,590,348