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Cash and Cash Equivalents - Summary of Cash and Cash Equivalents (Detail)
$ in Thousands, $ in Thousands
Dec. 31, 2022
TWD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
TWD ($)
Cash and cash equivalents [abstract]      
Cash on hand and petty cash $ 450   $ 450
Checking accounts and demand deposits 2,248,954   2,683,977
Time deposits 7,647,200   3,221,749
Cash and cash equivalents $ 9,896,604 $ 322,050 $ 5,906,176