Investment Properties - Additional Information (Detail) - TWD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
|
| Disclosure of detailed information about investment property [line items] | |||
| Adjustment to rent income | $ 114,538 | $ 3,865 | |
| Construction in progress [member] | |||
| Disclosure of detailed information about investment property [line items] | |||
| Reclassification of buildings and land use right to investment properties | $ 9,722,579 | ||
| Bottom of range [member] | |||
| Disclosure of detailed information about investment property [line items] | |||
| Operating lease Term | 1 year | ||
| Top of range [member] | |||
| Disclosure of detailed information about investment property [line items] | |||
| Operating lease Term | 20 years | ||