Goodwill - Additional Information (Detail) - TWD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Disclosure of reconciliation of changes in goodwill [line items] | |||
| Impairment loss on goodwill | $ 0 | $ 0 | $ 0 |
| Bottom of range [member] | |||
| Disclosure of reconciliation of changes in goodwill [line items] | |||
| Discount rate applied to cash flow projections | 13.83% | 8.65% | 10.27% |
| Top of range [member] | |||
| Disclosure of reconciliation of changes in goodwill [line items] | |||
| Discount rate applied to cash flow projections | 14.08% | 14.64% | 15.76% |