XML 84 R70.htm IDEA: XBRL DOCUMENT
v3.22.1

Significant accounting policies - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
IFRS Statement [Line Items] |  |
Plant And Equipment Useful Life | 3 years |
Driver IC CGU [Member] |  |
IFRS Statement [Line Items] |  |
Annual discount rate | 8.05% | 18.28%
WLO CGU [Member] |  |
IFRS Statement [Line Items] |  |
Annual discount rate | 13.33% | 15.41%
Growth rate used to extrapolate cash flow projections | 2.46% | 2.32%
Period for average Taiwan economic growth rate | 5 years |
Technology [Member] |  |
IFRS Statement [Line Items] |  |
Assets Acquired Useful Life | 7 years |
Patent [Member] | Bottom of range [member] |  |
IFRS Statement [Line Items] |  |
Assets Acquired Useful Life | 12 years |
Patent [Member] | Top of range [member] |  |
IFRS Statement [Line Items] |  |
Assets Acquired Useful Life | 15 years |
Intellectual Properties [Member] |  |
IFRS Statement [Line Items] |  |
Assets Acquired Useful Life | 10 years |
Himax semi conductor [Member] |  |
IFRS Statement [Line Items] |  |
Goodwill recognised as of acquisition date | $ 26,846 |
Himax Display Inc |  |
IFRS Statement [Line Items] |  |
Goodwill recognised as of acquisition date | $ 1,292 |
Buildings [Member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 25 years |
Building and improvements [Member] | Bottom of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 4 years |
Building and improvements [Member] | Top of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 16 years |
Machinery [Member] | Bottom of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 4 years |
Machinery [Member] | Top of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 10 years |
Research and development equipment [Member] | Bottom of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 2 years |
Research and development equipment [Member] | Top of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 6 years |
Office furniture and equipment [Member] | Bottom of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 3 years |
Office furniture and equipment [Member] | Top of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 8 years |
Others [Member] | Bottom of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 2 years |
Others [Member] | Top of range [member] |  |
IFRS Statement [Line Items] |  |
Useful Life Of Tangible Assets | 10 years |
Software [Member] |  |
IFRS Statement [Line Items] |  |
Annual discount rate | 11.40% | 13.23%
Growth rate used to extrapolate cash flow projections | 2.46% | 2.32%
Period for average Taiwan economic growth rate | 5 years |
Software [Member] | Bottom of range [member] |  |
IFRS Statement [Line Items] |  |
Assets Acquired Useful Life | 2 years |
Useful Life Of Tangible Assets | 2 years |
Software [Member] | Top of range [member] |  |
IFRS Statement [Line Items] |  |
Assets Acquired Useful Life | 10 years |
Useful Life Of Tangible Assets | 10 years |

X
- Definition The estimated Useful life of acquired intangible assets + References No definition available. + Details
Name: | himx_AssetsAcquiredUsefulLife
Namespace Prefix: | himx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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

X
- Definition The period for average Taiwan economic growth rate. + References No definition available. + Details
Name: | himx_PeriodForAverageEconomicGrowthRate
Namespace Prefix: | himx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition It Represents The Property Plant And Equipment Useful Life + References No definition available. + Details
Name: | himx_PlantAndEquipmentUsefulLife
Namespace Prefix: | himx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The estimated Useful life of tangible assets + References No definition available. + Details
Name: | himx_UsefulLifeOfTangibleAssets
Namespace Prefix: | himx_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 134 -Subparagraph d -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_d_v&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 134 -Subparagraph e -Clause v -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_e_v&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DescriptionOfDiscountRatesAppliedToCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Cash-generating units [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 134 -Subparagraph d -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_d_iv&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 36 -IssueDate 2021-01-01 -Paragraph 134 -Subparagraph e -Clause iv -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=36&code=ifrs-tx-2021-en-r&anchor=para_134_e_iv&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
Namespace Prefix: | ifrs-full_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph B64 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_B64&doctype=Appendix&subtype=B -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 3 -IssueDate 2021-01-01 -Paragraph IE72 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2021-en-r&anchor=para_IE72&doctype=Illustrative%20Examples -URIDate 2021-03-24 + Details
Name: | ifrs-full_GoodwillRecognisedAsOfAcquisitionDate
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis=himx_DriverICCGUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_IndividualAssetsOrCashgeneratingUnitsWithSignificantAmountOfGoodwillOrIntangibleAssetsWithIndefiniteUsefulLivesAxis=himx_WLOCGUMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_TechnologybasedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=himx_PatentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=himx_IntellectualPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | himx_LegalEntityAxisAxis=himx_HimaxSemiConductorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | himx_LegalEntityAxisAxis=himx_HimaxDisplayIncMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_BuildingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=himx_BuildingsImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_MachineryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=himx_ResearchAndDevelopmentEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_FixturesAndFittingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_OtherPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_ComputerSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |