Other Financial Assets - Summary of Other Financial Assets (Detail) $ in Thousands, $ in Thousands |
Dec. 31, 2023
TWD ($)
|
Dec. 31, 2023
USD ($)
|
Dec. 31, 2022
TWD ($)
|
|---|---|---|---|
| Disclosure of financial assets [Line Items] | |||
| Other financial assets | $ 6,162,467 | $ 201,256 | $ 5,178,524 |
| Current | 598,136 | 19,534 | 734,465 |
| Non-current | 5,564,331 | 181,722 | 4,444,059 |
| Guarantee deposits [member] | |||
| Disclosure of financial assets [Line Items] | |||
| Other financial assets | 5,481,446 | 179,015 | 4,606,790 |
| Pledged time deposits [member] | |||
| Disclosure of financial assets [Line Items] | |||
| Other financial assets | 470,373 | 15,362 | 447,459 |
| Time deposits with original maturity over three months [member] | |||
| Disclosure of financial assets [Line Items] | |||
| Other financial assets | 61,067 | 1,995 | 63,853 |
| Others [member] | |||
| Disclosure of financial assets [Line Items] | |||
| Other financial assets | $ 149,581 | $ 4,884 | $ 60,422 |