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v3.21.1

Retained earnings (Tables) | 12 Months Ended
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Dec. 31, 2020
Text block [abstract] |
Summary of Distribution Towards Legal Reserve and Cash Dividend |
|  | 2017 |  |  | 2018 |  |  | 2019 |
|  | Amount |  |  | Cash Distribution per share |  |  | Amount |  |  | Cash Distribution per share |  |  | Amount |  |  | Cash Distribution per share |
|  | NT$000 |  |  | NT$ |  |  | NT$000 |  |  | NT$ |  |  | NT$000 |  |  | NT$ |
Legal reserve |  |  | 302,653 |  |  |  |  |  |  |  | 110,308 |  |  |  |  |  |  |  | 258,416 |  |  |  |  |
Special reserve |  |  | — |  |  |  |  |  |  |  | — |  |  |  |  |  |  |  | 19,802 |  |  |  |  |
Cash dividend |  |  | 256,806 |  |  |  | 0.30 |  |  |  | 872,718 |  |  |  | 1.20 |  |  |  | 1,309,032 |  |  |  | 1.80 |

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- Definition Distribution towards legal reserve and cash dividend. + References No definition available. + Details
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