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Other equity interest (Tables) | 12 Months Ended
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Dec. 31, 2022
Other Equity Interests [Abstract] |
Summary of Other Equity Interest |
|  | 2020
|  | Financial statements translation differences of foreign operations |  | Unrealized gain (loss) on valuation of financial assets at fair value through other comprehensive income |  | Total
|  | NT$000 |  | NT$000 |  | NT$000
January 1 |  | (89,682) |  | 66,386 |  | (23,296)
Currency translation differences |  |  |  |  |  |
- The Company |  | 28,352 |  | — |  | 28,352
Evaluation adjustment |  |  |  |  |  |
- The Company |  | — |  | 140,199 |  | 140,199
- Associates |  | — |  | 22,925 |  | 22,925
Evaluation adjustment related tax |  |  |  |  |  |
- The Company |  | — |  | (34,794) |  | (34,794)
December 31 |  | (61,330) |  | 194,716 |  | 133,386
|  | 2021
|  | Financial statements translation differences of foreign operations |  | Unrealized gain (loss) on valuation of financial assets at fair value through other comprehensive income |  | Total
|  | NT$000 |  | NT$000 |  | NT$000
January 1 |  | (61,330) |  | 194,716 |  | 133,386
Currency translation differences |  |  |  |  |  |
- The Company |  | (24,695) |  | — |  | (24,695)
Evaluation adjustment |  |  |  |  |  |
- The Company |  | — |  | 122,514 |  | 122,514
- Associates |  | — |  | 21,094 |  | 21,094
Evaluation adjustment related tax |  |  |  |  |  |
- The Company |  | — |  | (30,459) |  | (30,459)
December 31 |  | (86,025) |  | 307,865 |  | 221,840
|  | 2022
|  | Financial statements translation differences of foreign operations |  | Unrealized gain (loss) on valuation of financial assets at fair value through other comprehensive income |  | Total
|  | NT$000 |  | NT$000 |  | NT$000
January 1 |  | (86,025) |  | 307,865 |  | 221,840
Currency translation differences |  |  |  |  |  |
- The Company |  | 68,656 |  | — |  | 68,656
Evaluation adjustment |  |  |  |  |  |
- The Company |  | — |  | (46,419) |  | (46,419)
- Associates |  | — |  | (28,353) |  | (28,353)
Evaluation adjustment related tax |  |  |  |  |  |
- The Company |  | — |  | 12,559 |  | 12,559
December 31 |  | (17,369) |  | 245,652 |  | 228,283

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- Definition Other Equity Interests [Abstract] + References No definition available. + Details
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