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Capital surplus (Tables) | 12 Months Ended
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Dec. 31, 2024
Capital surplus [Abstract] |
Summary of Capital Surplus |
|  | 2022
|  | Share premium |  | Others |  | Total
|  | NT$000 |  | NT$000 |  | NT$000
January 1 |  | 6,043,483 |  | 12,138 |  | 6,055,621
Changes in associates accounted for using equity method |  | — |  | 152 |  | 152
December 31 |  | 6,043,483 |  | 12,290 |  | 6,055,773
|  | 2023
|  | Share premium |  | Others |  | Total
|  | NT$000 |  | NT$000 |  | NT$000
January 1 |  | 6,043,483 |  | 12,290 |  | 6,055,773
December 31 |  | 6,043,483 |  | 12,290 |  | 6,055,773
|  | 2024
|  | Share premium |  | Others |  | Total
|  | NT$000 |  | NT$000 |  | NT$000
January 1 |  | 6,043,483 |  | 12,290 |  | 6,055,773
December 31 |  | 6,043,483 |  | 12,290 |  | 6,055,773

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- Definition Capital surplus. + References No definition available. + Details
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Period Type: | duration

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- Definition Components capital surplus. + References No definition available. + Details
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Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration