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Other income (expenses), net (Tables) | 12 Months Ended
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Dec. 31, 2023
Other income expenses net [abstract] |
Summary of Other Income (Expenses), Net |
|  | Year ended December 31,
|  | 2021 |  | 2022 |  | 2023
|  | NT$000 |  | NT$000 |  | NT$000
Gain on disposal of property, plant and equipment, net |  | 33,935 |  | 74,548 |  | 18,431
Gain on disposal of scrapped materials |  | 52,254 |  | 35,381 |  | 44,662
Gain on disposal of items purchased on behalf of others |  | 21,945 |  | 19,107 |  | 12,729
Gain from lease modifications |  | 891 |  | 139 |  | —
Impairment loss on property, plant and equipment |  | (4,843) |  | (12,721) |  | (9,236)
Others |  | 21,405 |  | 13,479 |  | 19,357
|  | 125,587 |  | 129,933 |  | 85,943

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