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Employee benefits - Sensitivity analysis (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 01, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Statement [line items] |  |  |  |
Contribution expense to the plan | $ 8 | $ 47 | $ 0 | $ 0
Defined benefit Plan +0.5% |  |  |  |
Statement [line items] |  |  |  |
Discount rate |  | (238) | (290) |
Rate of increase in compensation levels |  | 255 | 310 |
Defined benefit Plan -0.5% |  |  |  |
Statement [line items] |  |  |  |
Discount rate |  | 261 | 319 |
Rate of increase in compensation levels |  | $ (235) | $ (285) |

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- Definition Present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References No definition available. + Details
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Namespace Prefix: | himx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan + References No definition available. + Details
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Namespace Prefix: | himx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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
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Namespace Prefix: | himx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition The amount of post-employment benefit expense relating to defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2022-03-24 -Paragraph 53 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2022-en-r&anchor=para_53&doctype=Standard -URIDate 2022-03-24 + Details
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Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |