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Lease Arrangements - Summary of Other Related Lease Information (Detail)
$ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
TWD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
TWD ($)
Disclosure of detailed information about property, plant and equipment [abstract]      
Expenses relating to short-term leases $ 431,613 $ 14,045 $ 814,235
Expenses relating to low-value assets leases 3,242 105 5,080
Expenses relating to variable lease payments not included in the measurement of lease liabilities 126,584 4,119 61,141
Total cash outflow for leases $ 2,494,384 $ 81,171 $ 2,909,157