Income Tax - Summary of Income Tax Recognized Directly in Equity (Detail) $ in Thousands, $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
|
Dec. 31, 2023
TWD ($)
|
Dec. 31, 2023
USD ($)
|
Dec. 31, 2022
TWD ($)
|
Dec. 31, 2021
TWD ($)
|
|
| Current and deferred tax relating to items charged or credited directly to equity [abstract] | ||||
| Deferred income tax related to employee share options | $ 0 | $ 0 | $ 0 | $ (9) |