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v3.22.1

Investment Properties - Additional Information (Detail) $ in Thousands, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 TWD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 TWD ($)
Disclosure of detailed information about investment property [line items] |  |  |
Adjustment to rent income | $ 3,865 | $ 139 | $ 54,139
Bottom of range [member] |  |  |
Disclosure of detailed information about investment property [line items] |  |  |
Operating lease Term | 1 year | 1 year |
Top of range [member] |  |  |
Disclosure of detailed information about investment property [line items] |  |  |
Operating lease Term | 20 years | 20 years |

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- Definition Adjustment to rent income. + References No definition available. + Details
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- Definition Operating lease Term + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Details
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- Details
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