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Other Financial Assets - Summary of Other Financial Assets (Detail) $ in Thousands, $ in Thousands | Dec. 31, 2024 TWD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 TWD ($)
--- | --- | --- | ---
Disclosure of financial assets [Line Items] |  |  |
Other financial assets | $ 5,677,922 | $ 173,160 | $ 6,162,467
Current | 985,925 | 30,068 | 598,136
Non-current | 4,691,997 | 143,092 | 5,564,331
Total | 5,677,922 | 173,160 | 6,162,467
Guarantee deposits [member] |  |  |
Disclosure of financial assets [Line Items] |  |  |
Other financial assets | 4,956,488 | 151,159 | 5,481,446
Total | 4,956,488 | 151,159 | 5,481,446
Pledged time deposits [member] |  |  |
Disclosure of financial assets [Line Items] |  |  |
Other financial assets | 513,582 | 15,663 | 470,373
Total | 513,582 | 15,663 | 470,373
Time deposits with original maturity over three months [member] |  |  |
Disclosure of financial assets [Line Items] |  |  |
Other financial assets | 82,680 | 2,521 | 61,067
Total | 82,680 | 2,521 | 61,067
Others [member] |  |  |
Disclosure of financial assets [Line Items] |  |  |
Other financial assets | 125,172 | 3,817 | 149,581
Total | $ 125,172 | $ 3,817 | $ 149,581

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