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Financial Risk Management - Percentage of accounts receivable (Details) | Dec. 31, 2021 | Dec. 31, 2020
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Customer A and Its affiliates [Member] |  |
IFRS Statement [Line Items] |  |
Percentage Of Accounts Receivable | 39.00% | 36.30%
Customer C [Member] |  |
IFRS Statement [Line Items] |  |
Percentage Of Accounts Receivable | 12.10% | 13.60%

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | himx_IfrsStatementLineItems
Namespace Prefix: | himx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition It represents to Percentage of trade accounts receivable + References No definition available. + Details
Name: | himx_PercentageOfAccountsReceivables
Namespace Prefix: | himx_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | ifrs-full_MajorCustomersAxis=himx_CustomerAAndItsAffiliatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | ifrs-full_MajorCustomersAxis=himx_CustomerCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |