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Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail)
$ in Thousands, $ in Thousands
Dec. 31, 2023
TWD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
TWD ($)
Cash and cash equivalents [abstract]      
Cash on hand and petty cash $ 450   $ 450
Checking accounts and demand deposits 1,434,939   2,248,954
Time deposits 10,918,646   7,647,200
Cash and cash equivalents $ 12,354,035 $ 403,463 $ 9,896,604