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Inventories Related to Real Estate Business - Summary of Inventories Related to Real Estate Business (Detail) $ in Thousands, $ in Thousands | Dec. 31, 2022 TWD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 TWD ($)
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Disclosure of detailed information about property, plant and equipment [Line Items] |  |  |
Inventories related to real estate business | $ 5,488,676 | $ 178,610 | $ 5,412,114
Land and buildings held for sale [member] |  |  |
Disclosure of detailed information about property, plant and equipment [Line Items] |  |  |
Inventories related to real estate business | 678,080 | 22,066 | 667,630
Construction in progress [member] |  |  |
Disclosure of detailed information about property, plant and equipment [Line Items] |  |  |
Inventories related to real estate business | 3,023,070 | 98,375 | 2,956,958
Land held for construction [member] |  |  |
Disclosure of detailed information about property, plant and equipment [Line Items] |  |  |
Inventories related to real estate business | $ 1,787,526 | $ 58,169 | $ 1,787,526

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- Definition Inventories related to real estate business. + 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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- Details
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