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v3.21.1

Other Payables | 12 Months Ended
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Dec. 31, 2020
Text block [abstract] |
Other Payables |
16. | Other payables
|  | December 31, 2019 |  |  | December 31, 2020 |
|  | NT$000 |  |  | NT$000 |
Payables to contractors and equipment suppliers |  |  | 972,770 |  |  |  | 1,145,359 |
Employees’ compensation payable |  |  | 338,356 |  |  |  | 332,080 |
Salaries and bonuses payable |  |  | 741,027 |  |  |  | 788,720 |
Pension payable |  |  | 31,009 |  |  |  | 15,159 |
Directors’ remuneration payable |  |  | 16,918 |  |  |  | 16,604 |
Interest payable |  |  | 889 |  |  |  | 1,958 |
Other expense payable |  |  | 876,067 |  |  |  | 949,523 |
|  |  | 2,977,036 |  |  |  | 3,249,403 |

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- Definition The disclosure of other current payables. + References No definition available. + Details
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Namespace Prefix: | imos_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- Definition Text block [abstract] + References No definition available. + Details
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Namespace Prefix: | imos_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration