Himax Technologies, Inc. (SEC Filing Page | XBRL Cloud Viewer | XBRL Instance)

Line Label Object Class Period Type Balance Report ElementName
1 1001 - Document - Document and Entity Information Network

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 http://www.himax.com.tw/role/DocumentAndEntityInformation
2 Implied Table Table

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3 Document and Entity Information [Abstract] Abstract himx:DocumentAndEntityInformationAbstract
4 Document Type Concept (Submission Type) For Period dei:DocumentType
5 Amendment Flag Concept (Yes/No) For Period dei:AmendmentFlag
6 Document Period End Date Concept (Date) For Period dei:DocumentPeriodEndDate
7 Document Fiscal Year Focus Concept (Year) For Period dei:DocumentFiscalYearFocus
8 Document Fiscal Period Focus Concept (Fiscal Period) For Period dei:DocumentFiscalPeriodFocus
9 Entity Registrant Name Concept (Text/String) For Period dei:EntityRegistrantName
10 Entity Central Index Key Concept (CIK Number) For Period dei:EntityCentralIndexKey
11 Current Fiscal Year End Date Concept (Month/Day) For Period dei:CurrentFiscalYearEndDate
12 Entity Well-known Seasoned Issuer Concept (Yes/No) For Period dei:EntityWellKnownSeasonedIssuer
13 Entity Voluntary Filers Concept (Yes/No) For Period dei:EntityVoluntaryFilers
14 Entity Current Reporting Status Concept (Yes/No) For Period dei:EntityCurrentReportingStatus
15 Entity Filer Category Concept (Filer Category) For Period dei:EntityFilerCategory
16 Trading Symbol Concept (Text/String) For Period dei:TradingSymbol
17 Entity Common Stock, Shares Outstanding Concept (Shares) As Of dei:EntityCommonStockSharesOutstanding
18 Entity Shell Company Concept (Yes/No) For Period dei:EntityShellCompany
19 Entity Emerging Growth Company Concept (Yes/No) For Period dei:EntityEmergingGrowthCompany
20 1002 - Statement - Consolidated Statements of Financial Position Network

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 http://www.himax.com.tw/role/ConsolidatedStatementsOfFinancialPosition
21 Statement [Table] Table

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22 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
23 Equity [member] Member ifrs-full:EquityMember
24 Statement [Line Items] LineItems us-gaap:StatementLineItems
25 Assets Abstract ifrs-full:AssetsAbstract
26 Current assets: Abstract ifrs-full:CurrentAssetsAbstract
27 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
28 Financial assets at amortized cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
29 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
30 Accounts receivable, net Concept (Monetary) As Of Debit ifrs-full:ReceivablesFromContractsWithCustomers
31 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
32 Income taxes receivable Concept (Monetary) As Of Debit himx:IncomeTaxesReceivables
33 Restricted deposit Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
34 Other receivable from related parties Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
35 Other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
36 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
37 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss
38 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
39 Equity method investments Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
40 Property, plant and equipment, net Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
41 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
42 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
43 Other intangible assets, net Concept (Monetary) As Of Debit ifrs-full:OtherIntangibleAssets
44 Restricted deposit Concept (Monetary) As Of Debit ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
45 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
46 Total non current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
47 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
48 Liabilities and Equity Abstract ifrs-full:EquityAndLiabilitiesAbstract
49 Current liabilities: Abstract ifrs-full:CurrentLiabilitiesAbstract
50 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
51 Financial liability at amortized cost Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilitiesAtAmortisedCost
52 Accounts payable Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
53 Accounts payable to related party Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
54 Income taxes payable Concept (Monetary) As Of Credit himx:IncomeTaxesPayable
55 Other payable to related party Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
56 Other current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
57 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
58 Financial liability at amortized cost Concept (Monetary) As Of Credit ifrs-full:NoncurrentFinancialLiabilitiesAtAmortisedCost
59 Net defined benefit liabilities Concept (Monetary) As Of Credit ifrs-full:RecognisedLiabilitiesDefinedBenefitPlan
60 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
61 Other non-current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
62 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
63 Equity Abstract ifrs-full:EquityAbstract
64 Ordinary shares Concept (Monetary) As Of Credit himx:OrdinaryShares
65 Additional paid-in capital Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
66 Treasury shares Concept (Monetary) As Of Debit ifrs-full:TreasuryShares
67 Accumulated other comprehensive income Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
68 Retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
69 Equity attributable to owners of Himax Technologies, Inc. Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
70 Noncontrolling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
71 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
72 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
73 1003 - Statement - Consolidated Statements of Profit or Loss Network

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74 Implied Table Table

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75 Profit or loss [abstract] Abstract ifrs-full:IncomeStatementAbstract
76 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
77 Costs and expenses: Abstract himx:CostAndExpensesAbstractsAbstract
78 Cost of revenues Concept (Monetary) For Period Debit ifrs-full:CostOfSales
79 Research and development Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
80 General and administrative Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
81 Expected credit loss Concept (Monetary) For Period Debit himx:ExpectedCreditLoss
82 Sales and marketing Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
83 Total costs and expenses Concept (Monetary) For Period Debit himx:TotalCostAndExpenses
84 Operating income Concept (Monetary) For Period Credit himx:OperatingIncome
85 Non operating income (loss): Abstract himx:NonOperatingIncomeLossAbstract
86 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
87 Changes in fair value of financial assets at fair value through profit or loss Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFairValueGainsLosses
88 Foreign currency exchange losses, net Concept (Monetary) For Period Debit himx:ForeignCurrencyExchangeLossesnet
89 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
90 Share of losses of associates Concept (Monetary) For Period Debit ifrs-full:UnrecognisedShareOfLossesOfAssociates
91 Other income Concept (Monetary) For Period Credit ifrs-full:OtherIncome
92 Total Non Operating Income Concept (Monetary) For Period Credit himx:NonOperatingIncomeLoss
93 Profit before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
94 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
95 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
96 Loss attributable to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
97 Profit attributable to Himax Technologies, Inc. stockholders Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
98 Basic earnings per ordinary share attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
99 Diluted earnings per ordinary share attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
100 Basic earnings per ADS attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period himx:BasicEarningsPerADSAttributeToHimaxTechnologiesStockholders
101 Diluted earnings per ADS attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period himx:DilutedEarningsPerADSAttributeToHimaxTechnologiesStockholders
102 1004 - Statement - Consolidated Statements of Other Comprehensive Income Network

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103 Implied Table Table

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104 Statement of comprehensive income [abstract] Abstract ifrs-full:StatementOfComprehensiveIncomeAbstract
105 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
106 Other comprehensive income: Abstract ifrs-full:OtherComprehensiveIncomeAbstract
107 Items that will not be reclassified to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract
108 Items that will not be reclassified to profit or loss: Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax
109 Remeasurements of defined benefit pension plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
110 Unrealized loss on financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnChangeInValueOfForeignCurrencyBasisSpreadsBeforeTax
111 Income tax related to items that will not be reclassified subsequently Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
112 Items that may be reclassified subsequently to profit or loss: Abstract ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract
113 Items that may be reclassified subsequently to profit or loss: Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax
114 Unrealized gains on financial assets at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
115 Foreign operations - foreign currency translation differences Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInValueOfForeignCurrencyBasisSpreadsBeforeTax
116 Income tax related to items that may be reclassified subsequently Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss
117 Other comprehensive income for the year, net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
118 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
119 Total comprehensive income attributable to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
120 Total comprehensive income attributable to Himax Technologies, Inc. stockholders Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
121 1005 - Statement - Consolidated Statements of Changes in Equity Network

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 http://www.himax.com.tw/role/ConsolidatedStatementsOfChangesInEquity
122 Statement [Table] Table

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123 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
124 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
125 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
126 Equity [member] Member ifrs-full:EquityMember
127 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
128 Additional paid-in capital [member] Member ifrs-full:AdditionalPaidinCapitalMember
129 Treasury shares [member] Member ifrs-full:TreasurySharesMember
130 Accumulated other Comprehensive income [member] Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
131 Retained earnings [member] Member ifrs-full:RetainedEarningsMember
132 Noncontrolling interests [member] Member ifrs-full:NoncontrollingInterestsMember
133 Financial effect of transition from previous GAAP to IFRSs [axis] Axis ifrs-full:FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis
134 IFRSs [member] Member ifrs-full:IFRSsMember
135 Effect of transition to IFRSs [member] Member ifrs-full:EffectOfTransitionToIFRSsMember
136 Consolidated Category Of Entity [Axis] Axis himx:ConsolidatedCategoryOfEntityAxis
137 Consolidated Category Of Entity [Domain] Member himx:ConsolidatedCategoryOfEntityDomain
138 Parent [member] Member himx:ParentCompaniesMember
139 Statement [Line Items] LineItems us-gaap:StatementLineItems
140 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
141 Balance (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
142 Effect of adopting IFRS 9 Concept (Monetary) For Period Credit himx:EffectOfAdoptingIFRS9
143 Profit (loss) for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
144 Other comprehensive income Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
145 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
146 Contributions by and distributions to owners Abstract himx:ContributionsByAndDistributionsToOwnersAbstract
147 Declaration of cash dividends Concept (Monetary) For Period Debit ifrs-full:DividendsRecognisedAsDistributionsToOwnersOfParent
148 Share-based compensation expenses Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughSharebasedPaymentTransactions
149 Restricted stock vested (in shares) Concept (Shares) For Period himx:RestrictedStockVestedShares
150 Restricted stock vested Concept (Monetary) For Period Credit himx:RestrictedStockVestedValue
151 Aggregate of contribution by distribution to owners (in shares) Concept (Shares) For Period himx:AggregateOfSharesContributionByDistrbutionToOwners
152 Aggregate of contribution by distribution to owners Concept (Monetary) For Period Credit himx:AggregateValueContributionByDistributionToOwners
153 Changes in ownership interests Abstract himx:ChangesInOwnershipInterestsAbstractAbstract
154 Dilution gain of equity method investment Concept (Monetary) For Period Credit ifrs-full:GainLossOnCessationOfConsolidationOfSubsidiariesDueToChangeOfInvestmentEntityStatus
155 New shares issued by subsidiary Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries
156 Sale (purchase) of subsidiary shares to (from) noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughDisposalOfSubsidiary
157 Aggregate of Changes in Ownership Interests Concept (Monetary) For Period Credit himx:AggregateAmountOfChangesInOwnershipInterests
158 Balance Concept (Monetary) As Of Credit ifrs-full:Equity
159 Balance (in shares) Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
160 1006 - Statement - Consolidated Statements of Changes in Equity [Parenthetical] Network

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161 Implied Table Table

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162 Equity [abstract] Abstract ifrs-full:EquityAbstract
163 Declaration of cash dividends per share Concept (Share) For Period ifrs-full:DividendsRecognisedAsDistributionsToOwnersPerShare
164 1007 - Statement - Consolidated Statements of Cash Flows Network

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165 Implied Table Table

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166 Statement of cash flows [abstract] Abstract ifrs-full:StatementOfCashFlowsAbstract
167 Cash flows from operating activities: Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
168 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
169 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
170 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense
171 Expected credit loss recognized on accounts receivable Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForProvisions
172 Share-based compensation expenses Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
173 Gain on disposals of property, plant and equipment, net Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForLossesGainsOnDisposalOfNoncurrentAssets
174 Gain on re-measurement of the pre-existing relationships in a business combination Concept (Monetary) For Period Credit himx:GainOnReMeasurementsInBusinessCombination
175 Changes in fair value of financial assets at fair value through profit or loss Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFairValueGainsLosses
176 Interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
177 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
178 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
179 Share of losses of associates Concept (Monetary) For Period Debit himx:AdjustmentsForLossesFromAssociates
180 Inventories write downs Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
181 Foreign currency exchange losses of financial assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
182 cash flows from operating activities before changes in opearating Capital Concept (Monetary) For Period Debit himx:CashFlowsFromOperatingActivitiesBeforeChangesInOpearatingCapital
183 Changes in: Abstract himx:ChangesInOperatingCapitalAbstract
184 Accounts receivable Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable
185 Inventories Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInInventories
186 Other current assets Concept (Monetary) For Period Debit himx:AdjustmentsFoRDecreaseIncreaseInOtherCurrentAsset
187 Accounts payable Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable
188 Accounts payable to related party Concept (Monetary) For Period Debit himx:AdjustmentForDecreaseIncreaseInAccountsPayableRelatedParties
189 Other payable to related party Concept (Monetary) For Period Debit himx:AdjustmentForDecreaseIncreaseInOtherPayableRelatedParties
190 Net defined benefit liabilities Concept (Monetary) For Period Debit himx:AdjustmentForDecreaseIncreaseInNetDefinedBenefitLiabilities
191 Other current liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables
192 Other non-current liabilities Concept (Monetary) For Period Debit himx:AdjustmentForDecreaseIncreaseInOtherNonCurrentLiabilities
193 Cash generated from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
194 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
195 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
196 Income tax paid Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
197 Net cash provided by operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
198 Cash flows from investing activities: Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
199 Acquisitions of property, plant and equipment Concept (Monetary) For Period Credit ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
200 Proceeds from disposal of property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities
201 Acquisitions of intangible assets Concept (Monetary) For Period Credit ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities
202 Acquisitions of financial assets at amortized cost Concept (Monetary) For Period Credit himx:AcquisitionsOfFinancialAssetsAtAmortizedCost
203 Proceeds from disposal of financial assets at amortized cost Concept (Monetary) For Period Debit himx:ProceedsFromDisposalOfFinancialAssetsAtAmortizedCost
204 Acquisitions of financial assets at fair value through profit or loss Concept (Monetary) For Period Credit himx:AcquisitionsOfFinancialAssetsAtFairValueThroughProfitOrLoss
205 Proceeds from disposals of financial assets at fair value through profit or loss Concept (Monetary) For Period Debit himx:ProceedsFromDisposalsOfFinancialAssetsAtFairValueThroughProfitOrLoss
206 Acquisition of business Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
207 Acquisition of a subsidiary, net of cash acquired Concept (Monetary) For Period Credit himx:AcquisitionOfASubsidiaryNetOfCashAcquired
208 Proceeds from capital reduction of investment Concept (Monetary) For Period Debit himx:ProceedsFromCapitalReductionOfInvestment
209 Acquisitions of equity method investments Concept (Monetary) For Period Credit himx:AcquisitionsOfEquityMethodInvestments
210 Decrease (increase) in refundable deposits Concept (Monetary) For Period Debit himx:DecreaseIncreaseInRefundableDeposits
211 Releases (pledges) of restricted deposit Concept (Monetary) For Period Debit himx:ReleasesPledgesOfRestrictedDeposit
212 Cash paid for loan made to related parties Concept (Monetary) For Period Credit himx:PaymentsForLoanMadeToRelatedParties
213 Cash received from loan made to related party Concept (Monetary) For Period Debit himx:RapaymentsFromLoanMadeToRelatedParties
214 Income tax paid for disposal of financial assets at fair value through profit or loss Concept (Monetary) For Period Credit himx:IncomeTaxPaidForSaleOfFinancialAssets
215 Net cash used in investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
216 Cash flows from financing activities: Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
217 Payments of cash dividends Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
218 Proceeds from issuance of new shares by subsidiaries Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingShares
219 Proceeds from disposal of subsidiary shares to noncontrolling interests by Himax Imaging, Inc. Concept (Monetary) For Period Debit himx:ProceedsFromDisposalOfSubsidaryShares
220 Acquisitions of noncontrolling interests Concept (Monetary) For Period Credit himx:AcquisitionsOfNoncontrollingInterests
221 Pledge of restricted deposit Concept (Monetary) For Period Credit himx:PaymentsForPledgeOfRestrictedDeposit
222 Proceeds from short-term borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
223 Repayments of short-term borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
224 Net cash provided by (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
225 Effect of foreign currency exchange rate changes on cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents
226 Net decrease in cash and cash equivalents Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
227 Cash and cash equivalents at beginning of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
228 Cash and cash equivalents at end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
229 1008 - Disclosure - Reporting entity Network

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230 Implied Table Table

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231 Reporting [Abstract] Abstract himx:ReportingAbstract
232 Reporting entity Concept (Text Block (HTML)) For Period himx:ReportingEntityTextBlock
233 1009 - Disclosure - Basis of preparation Network

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234 Implied Table Table

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235 Disclosure Of Basis Of Preparation Of Financial Statements [Abstract] Abstract himx:DisclosureOfBasisOfPreparationOfFinancialStatementsAbstract
236 Disclosure of basis of preparation of financial statements [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory
237 1010 - Disclosure - Application of new and revised IFRS as issued by the IASB Network

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238 Implied Table Table

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239 Disclosure Of Changes In Accounting standards [Abstract] Abstract himx:DisclosureOfChangesInAccountingStandardsAbstract
240 Application of new and revised international financial reporting standards as issued by the international accounting standards board Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfChangesInAccountingPoliciesExplanatory
241 1011 - Disclosure - Significant accounting policies Network

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242 Implied Table Table

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243 Disclosure of Significant Accounting Policies [Abstract] Abstract himx:DisclosureOfSignificantAccountingPoliciesAbstract
244 Disclosure of significant accounting policies [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory
245 1012 - Disclosure - Acquisition Network

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246 Implied Table Table

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247 Disclosure of detailed information about business combination [abstract] Abstract ifrs-full:DisclosureOfBusinessCombinationsAbstract
248 Disclosure of business combinations [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBusinessCombinationsExplanatory
249 1013 - Disclosure - Cash and Cash Equivalents Network

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250 Implied Table Table

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251 Cash and cash equivalents [abstract] Abstract ifrs-full:CashAndCashEquivalentsAbstract
252 Disclosure of cash and cash equivalents [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory
253 1014 - Disclosure - Financial Assets at Amortized Cost Network

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254 Implied Table Table

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255 Financial Assets At Amortized Cost [Abstract] Abstract himx:FinancialAssetsAtAmortizedCostAbstract
256 Disclosure Of Financial Assets At Amortized Cost [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfFinancialAssetsAtAmortizedCostTextBlock
257 1015 - Disclosure - Financial Assets at Fair Value Through Profit or Loss Network

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258 Implied Table Table

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259 Financial assets at fair value through profit or loss [abstract] Abstract ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossAbstract
260 Disclosure of financial instruments at fair value through profit or loss [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory
261 1016 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income Network

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262 Implied Table Table

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263 Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [abstract] Abstract ifrs-full:DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeAbstract
264 Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory
265 1017 - Disclosure - Financial Liability at Amortized Cost Network

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266 Implied Table Table

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267 Financial Liability At Amortized Cost [Abstract] Abstract himx:FinancialLiabilityAtAmortizedCostAbstract
268 Disclosure Of Financial Liability At Amortized Cost [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfFinancialLiabilityAtAmortizedCostTextBlock
269 1018 - Disclosure - Accounts Receivable, net Network

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270 Implied Table Table

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271 Trade and other receivables [abstract] Abstract ifrs-full:TradeAndOtherReceivablesAbstract
272 Disclosure of trade and other receivables [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory
273 1019 - Disclosure - Inventories Network

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274 Implied Table Table

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275 Classes of current inventories [abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
276 Disclosure of inventories [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInventoriesExplanatory
277 1020 - Disclosure - Equity Method Investments Network

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278 Implied Table Table

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279 Investments accounted for using equity method [abstract] Abstract ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
280 Disclosure of investments accounted for using equity method [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory
281 1021 - Disclosure - Other Intangible Assets Network

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282 Implied Table Table

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283 Disclosure of detailed information about intangible assets [abstract] Abstract ifrs-full:DisclosureOfIntangibleAssetsAbstract
284 Disclosure of intangible assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIntangibleAssetsExplanatory
285 1022 - Disclosure - Property, Plant and Equipment Network

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286 Implied Table Table

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287 Disclosure of detailed information about property, plant and equipment [abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
288 Disclosure of property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory
289 1023 - Disclosure - Other Current Liabilities Network

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290 Implied Table Table

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291 Current liabilities [abstract] Abstract ifrs-full:CurrentLiabilitiesAbstract
292 Disclosure of other current liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfOtherCurrentLiabilitiesExplanatory
293 1024 - Disclosure - Short-Term Borrowings Network

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294 Implied Table Table

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295 Borrowings [abstract] Abstract ifrs-full:BorrowingsAbstract
296 Disclosure of borrowings [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfBorrowingsExplanatory
297 1025 - Disclosure - Employee benefits Network

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298 Implied Table Table

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299 Disclosure of information about defined benefit plans [abstract] Abstract ifrs-full:DisclosureOfInformationAboutDefinedBenefitPlansAbstract
300 Disclosure of employee benefits [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEmployeeBenefitsExplanatory
301 1026 - Disclosure - Share-Based Compensation Network

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302 Implied Table Table

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303 Disclosure Of Share based Payment Arrangements Explanatory [Abstract] Abstract himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryAbstract
304 Disclosure of share-based payment arrangements [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfSharebasedPaymentArrangementsExplanatory
305 1027 - Disclosure - Equity Network

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306 Implied Table Table

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307 Disclosure of classes of share capital [abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
308 Disclosure of share capital, reserves and other equity interest [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory
309 1028 - Disclosure - Income Taxes Network

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310 Implied Table Table

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311 Disclosure Of Income Tax Explanatory [Abstract] Abstract himx:DisclosureOfIncomeTaxExplanatoryAbstract
312 Disclosure of income tax [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfIncomeTaxExplanatory
313 1029 - Disclosure - Financial Instruments Network

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314 Implied Table Table

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315 Financial instruments [Abstract] Abstract himx:FinancialInstrumentsAbstract
316 Disclosure of financial instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialInstrumentsExplanatory
317 1030 - Disclosure - Financial Risk Management Network

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318 Implied Table Table

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319 Financial Risk Management [Abstract] Abstract himx:FinancialRiskManagementAbstract
320 Disclosure of financial risk management [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFinancialRiskManagementExplanatory
321 1031 - Disclosure - Capital management Network

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322 Implied Table Table

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323 Capital Management [Abstract] Abstract himx:CapitalManagementAbstract
324 Disclosure of Capital Management [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfCapitalManagementTextBlock
325 1032 - Disclosure - Related-party Transactions Network

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326 Implied Table Table

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327 Related party transactions [abstract] Abstract ifrs-full:RelatedPartyTransactionsAbstract
328 Disclosure of transactions between related parties [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesExplanatory
329 1033 - Disclosure - Pledged assets Network

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330 Implied Table Table

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331 Pledged Assets [Abstract] Abstract himx:PledgedAssetsAbstract
332 Disclosure of Pledged Assets [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfPledgedAssetsTextBlock
333 1034 - Disclosure - Commitments and Contingencies Network

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334 Implied Table Table

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335 Commitments and Contingencies [Abstract] Abstract himx:CommitmentsAndContingenciesAbstract
336 Disclosure of commitments and contingent liabilities [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory
337 1035 - Disclosure - Segment, Product and Geographic Information Network

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338 Implied Table Table

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339 Disclosure of operating segments [abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
340 Disclosure of entity's operating segments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory
341 1036 - Disclosure - The Nature of Expenses Network

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342 Implied Table Table

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343 Nature of Expenses [Abstract] Abstract himx:NatureOfExpensesAbstract
344 Disclosure of expenses by nature [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfExpensesByNatureExplanatory
345 1037 - Disclosure - Himax Technologies, Inc. (the Parent Company only) Network

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346 Statement [Table] Table

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 us-gaap:StatementTable
347 Consolidated Category Of Entity [Axis] Axis himx:ConsolidatedCategoryOfEntityAxis
348 Consolidated Category Of Entity [Domain] Member himx:ConsolidatedCategoryOfEntityDomain
349 Parent [member] Member himx:ParentCompaniesMember
350 Statement [Line Items] LineItems us-gaap:StatementLineItems
351 Disclosure of general information about financial statements [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfGeneralInformationAboutFinancialStatementsExplanatory
352 1038 - Disclosure - Explanation of transition to IFRS Network

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353 Implied Table Table

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354 Explanation of transition to Ifrs [Abstract] Abstract himx:ExplanationOfTransitionToIfrsAbstract
355 Disclosure of first-time adoption [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfFirstTimeAdoptionExplanatory
356 1039 - Disclosure - Significant accounting policies (Policies) Network

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357 Implied Table Table

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358 Disclosure of Significant Accounting Policies [Abstract] Abstract himx:DisclosureOfSignificantAccountingPoliciesAbstract
359 Basis of Consolidation Concept (Text Block (HTML)) For Period himx:DescriptionOfAccountingPolicyForBasisOfConsolidationExplanatoryPolicyTextBlock
360 LIst of Subsidiaries in the Consolidated Financial Statements Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSubsidiariesExplanatory
361 Foreign Currency Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory
362 Classification of Current and Noncurrent Assets and Liabilities Concept (Text Block (HTML)) For Period himx:DescriptionOfAccountingPolicyForClassificationBetweenCurrentAndNonCurrentExplanatoryPolicyTextBlock
363 Cash and Cash Equivalents Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForCashFlowsExplanatory
364 Financial Instruments Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForFinancialInstrumentsExplanatory
365 Inventories Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories
366 Equity Method Investments Concept (Text Block (HTML)) For Period himx:DescriptionOfAccountingPolicyForEquityMethodInvestmentExplanatoryPolicyTextBlock
367 Property, Plant and Equipment Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory
368 Goodwill Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory
369 Other Intangible Assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory
370 Impairment of Non-Financial Assets Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory
371 Revenue Recognition Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue
372 Employee Benefits Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory
373 Income Taxes Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory
374 Business Combinations Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory
375 Earnings Per Ordinary Share Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForEarningsPerShareExplanatory
376 Segment Reporting Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForSegmentReportingExplanatory
377 Noncontrolling Interests Concept (Text Block (HTML)) For Period ifrs-full:DescriptionOfAccountingPolicyForTransactionsWithNoncontrollingInterestsExplanatory
378 Use of Judgments and Estimates Concept (Text Block (HTML)) For Period himx:DescriptionOfAccountingPolicyForUseOfJudgmentsAndEstimatesExplanatoryPolicyTextBlock
379 1040 - Disclosure - Application of new and revised IFRS as issued by the IASB (Tables) Network

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380 Implied Table Table

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381 Disclosure Of Changes In Accounting standards [Abstract] Abstract himx:DisclosureOfChangesInAccountingStandardsAbstract
382 Information About Explanation Of Not Applied New Standards Or Interpretations [Table Text Block] Concept (Text Block (HTML)) For Period himx:InformationAboutExplanationOfNotAppliedNewStandardsOrInterpretationsTableTextBlock
383 1041 - Disclosure - Significant accounting policies (Tables) Network

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384 Implied Table Table

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385 Disclosure of Significant Accounting Policies [Abstract] Abstract himx:DisclosureOfSignificantAccountingPoliciesAbstract
386 Disclosure of detailed Information About Proportion Of Ownership Interest In Subsidiary [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutProportionOfOwnershipInterestInSubsidiaryTableTextBlock
387 Diluted Earnings Per share [Table Text Block] Concept (Text Block (HTML)) For Period himx:DilutedEarningsPerShareTableTextBlock
388 1042 - Disclosure - Acquisition (Tables) Network

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389 Implied Table Table

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390 Disclosure of detailed information about business combination [abstract] Abstract ifrs-full:DisclosureOfBusinessCombinationsAbstract
391 Disclosure of detailed information about business combination [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory
392 1043 - Disclosure - Cash and Cash Equivalents (Tables) Network

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393 Implied Table Table

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394 Cash and cash equivalents [abstract] Abstract ifrs-full:CashAndCashEquivalentsAbstract
395 Disclosure of detailed information about cash and cash equivalents [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutCashAndCashEquivalentsTextBlock
396 1044 - Disclosure - Financial Assets at Amortized Cost (Tables) Network

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397 Implied Table Table

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398 Financial Assets At Amortized Cost [Abstract] Abstract himx:FinancialAssetsAtAmortizedCostAbstract
399 Disclosure of detailed information about financial assets at amortized cost [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutFinancialAssetsAtAmortizedCostTextBlock
400 1045 - Disclosure - Financial Assets at Fair Value Through Profit or Loss (Tables) Network

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 http://www.himax.com.tw/role/FinancialAssetsAtFairValueThroughProfitOrLossTables
401 Implied Table Table

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402 Financial assets at fair value through profit or loss [abstract] Abstract ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossAbstract
403 Disclosure of detailed information about financial assets at fair value through profit or loss [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueThroughProfitOrLossTextBlock
404 1046 - Disclosure - Accounts Receivable, net (Tables) Network

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 http://www.himax.com.tw/role/AccountsReceivableNetTables
405 Implied Table Table

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406 Trade and other receivables [abstract] Abstract ifrs-full:TradeAndOtherReceivablesAbstract
407 Disclosure of detailed information about trade and other receivables [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutTradeAndOtherReceivablesTextBlock
408 Disclosure of detailed information about expected credit loss of accounts receivable [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutExpectedCreditLossOfAccountsReceivableTextBlock
409 Disclosure of detailed information about aging analysis of trade and other receivables [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutAgingAnalysisOfTradeAndOtherReceivablesTextBlock
410 Disclosure of detailed information about loss allowance of trade and other receivables [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutLossAllowanceOfTradeAndOtherReceivablesTextBlock
411 1047 - Disclosure - Inventories (Tables) Network

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412 Implied Table Table

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413 Classes of current inventories [abstract] Abstract ifrs-full:ClassesOfInventoriesAbstract
414 Disclosure of detailed information about Inventories text block [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutInventoriesTextBlockTextBlock
415 1048 - Disclosure - Equity Method Investments (Tables) Network

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416 Implied Table Table

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417 Investments accounted for using equity method [abstract] Abstract ifrs-full:InvestmentsAccountedForUsingEquityMethodAbstract
418 Disclosure of detailed information about Investment in Associates [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutInvestmentInAssociatesTextBlock
419 Disclosure of detailed information about Share of Associates [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutShareOfAssociatesTextBlock
420 1049 - Disclosure - Other Intangible Assets (Tables) Network

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421 Implied Table Table

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422 Disclosure of detailed information about intangible assets [abstract] Abstract ifrs-full:DisclosureOfIntangibleAssetsAbstract
423 Disclosure of detailed information about intangible assets [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory
424 Disclosure of detailed information about estimated useful life of intangible assets other than goodwill [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutEstimatedUsefulLifeOfIntangibleAssetsOtherThanGoodwillTextBlock
425 1050 - Disclosure - Property, Plant and Equipment (Tables) Network

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 http://www.himax.com.tw/role/PropertyPlantAndEquipmentTables
426 Implied Table Table

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427 Disclosure of detailed information about property, plant and equipment [abstract] Abstract ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract
428 Disclosure of detailed information about property, plant and equipment [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory
429 Disclosure of detailed information about estimated useful life of property plant and equipment [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutEstimatedUsefulLifeOfPropertyPlantAndEquipmentTextBlock
430 1051 - Disclosure - Other Current Liabilities (Tables) Network

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 http://www.himax.com.tw/role/OtherCurrentLiabilitiesTables
431 Implied Table Table

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432 Current liabilities [abstract] Abstract ifrs-full:CurrentLiabilitiesAbstract
433 Disclosure of detailed information about Other Current Liabilities [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutOtherCurrentLiabilitiesTextBlock
434 Disclosure of detailed information about allowance for sales returns and discounts [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutAllowanceForSalesReturnsAndDiscountsTextBlock
435 1052 - Disclosure - Short-Term Borrowings (Tables) Network

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 http://www.himax.com.tw/role/ShortTermBorrowingsTables
436 Implied Table Table

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437 Borrowings [abstract] Abstract ifrs-full:BorrowingsAbstract
438 Disclosure Of Detailed Information About short term borrowings [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutShortTermBorrowingsTextBlock
439 Disclosure Of Detailed Information About Reconciliation Of Liabilities Arising From Financing Activities [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutReconciliationOfLiabilitiesArisingFromFinancingActivitiesTextBlock
440 1053 - Disclosure - Employee benefits (Tables) Network

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 http://www.himax.com.tw/role/EmployeeBenefitsTables
441 Implied Table Table

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442 Disclosure of information about defined benefit plans [abstract] Abstract ifrs-full:DisclosureOfInformationAboutDefinedBenefitPlansAbstract
443 Disclosure Of Detailed Information Of Defined Benefit Plans [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationOfDefinedBenefitPlansTextBlock
444 Disclosure Of Detailed Information About Movement In Present Value Of Defined Benefit Obligations [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutMovementInPresentValueOfDefinedBenefitObligationsTextBlock
445 Disclosure Of Detailed information About Fair Value Of Plan Assets [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutFairValueOfPlanAssetsTextBlock
446 Disclosure Of Detailed information About Expenses Recognized In Profit Or loss [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutExpensesRecognizedInProfitOrLossTextBlock
447 Disclosure Of Detailed Information About Net Defined Benefit Liability Asset [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutNetDefinedBenefitLiabilityAssetTextBlock
448 Disclosure Of Detailed information About Sensitivity Analysis For Actuarial Assumptions [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutSensitivityAnalysisForActuarialAssumptionsTextBlock
449 Disclosure Of Detailed information About Sensitivity Analysis [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutSensitivityAnalysisTextBlock
450 1054 - Disclosure - Share-Based Compensation (Tables) Network

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451 Disclosure Of Share Based Payment Arrangements Explanatory [Table] Table

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 himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryTable
452 Legal Entities [Axis] Axis himx:LegalEntitiesAxis
453 Legal Entities [Member] Member himx:LegalEntitiesMember
454 Himax Imaging [Member] Member himx:HimaxImagingMember
455 Imaging Taiwan [Member] Member himx:ImagingTaiwanMember
456 Himax Display [Member] Member himx:HimaxDisplayMember
457 Disclosure Of Share Based Payment Arrangements Explanatory [Line Items] LineItems himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryLineItems
458 Disclosure of Share based compensation expenses inclueded cost of sales [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfShareBasedCompensationExpensesIncluededCostOfSalesTableTextBlock
459 Disclosure of RSU [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfRSUTableTextBlock
460 Disclosure of RSU compensation expenses [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfRSUCompensationExpensesTableTextBlock
461 Share Based Compensation Share options Valuation Assumptions [Table Text Block] Concept (Text Block (HTML)) For Period himx:ShareBasedCompensationShareOptionsValuationAssumptionsTableTextBlock
462 Share Based compensation Stock Option activity [Table Text Block] Concept (Text Block (HTML)) For Period himx:ShareBasedCompensationStockOptionActivityTableTextBlock
463 1055 - Disclosure - Equity (Tables) Network

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 http://www.himax.com.tw/role/EquityTables
464 Implied Table Table

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465 Disclosure of classes of share capital [abstract] Abstract ifrs-full:DisclosureOfClassesOfShareCapitalAbstract
466 Disclosure Of Additional Paid in Capital [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfAdditionalPaidInCapitalTableTextBlock
467 Disclosure Of Accumulated Other Comprehensive Income [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfAccumulatedOtherComprehensiveIncomeTableTextBlock
468 Non controlling Interest [Table Text Block] Concept (Text Block (HTML)) For Period himx:NonControllingInterestTableTextBlock
469 1056 - Disclosure - Income Taxes (Tables) Network

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 http://www.himax.com.tw/role/IncomeTaxesTables
470 Implied Table Table

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471 Disclosure Of Income Tax Explanatory [Abstract] Abstract himx:DisclosureOfIncomeTaxExplanatoryAbstract
472 Disclosure Of Income Tax Expense Benefit Recognized in Profit or Loss [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfIncomeTaxExpenseBenefitRecognizedInProfitOrLossTableTextBlock
473 Disclosure Of Detailed Information Of Income taxes expense benefit recognized directly in other comprehensive income [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationOfIncomeTaxesExpenseBenefitRecognizedDirectlyInOtherComprehensiveIncomeTableTextBlock
474 Disclosure Of Detailed Information About Income Tax Reconciliation [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutIncomeTaxReconciliationTableTextBlock
475 Disclosure of deferred taxes [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDeferredTaxesExplanatory
476 Disclosure Of Detailed Information About Movement Of Deferred Tax Assets And Deferred Tax Liabilities [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutMovementOfDeferredTaxAssetsAndDeferredTaxLiabilitiesTableTextBlock
477 Disclosure of temporary difference, unused tax losses and unused tax credits [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory
478 Disclosure of detailed information about unrecognized deferred tax assets of unused operating loss carry forwards [Table Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutUnrecognizedDeferredTaxAssetsOfUnusedOperatingLossCarryForwardsTableTextBlock
479 1057 - Disclosure - Financial Instruments (Tables) Network

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 http://www.himax.com.tw/role/FinancialInstrumentsTables
480 Implied Table Table

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481 Financial instruments [Abstract] Abstract himx:FinancialInstrumentsAbstract
482 Disclosure of detailed information about financial instruments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfDetailedInformationAboutFinancialInstrumentsExplanatory
483 Disclosure of detailed information about financial liabilities [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutFinancialLiabilitiesTextBlock
484 Disclosure of detailed information about maturity analysis for nonderivative financial liabilities [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutMaturityAnalysisForNonderivativeFinancialLiabilitiesTextBlock
485 Disclosure of detailed information about currency risk [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutCurrencyRiskTextBlock
486 Disclosure of detailed information about financial assets at fair value [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutFinancialAssetsAtFairValueTextBlock
487 Disclsoure of detailed information about financial assets at fair value level 3 hierachy [Text Block] Concept (Text Block (HTML)) For Period himx:DisclsoureOfDetailedInformationAboutFinancialAssetsAtFairValueLevel3HierachyTextBlock
488 1058 - Disclosure - Financial Risk Management (Tables) Network

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 http://www.himax.com.tw/role/FinancialRiskManagementTables
489 Implied Table Table

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490 Financial Risk Management [Abstract] Abstract himx:FinancialRiskManagementAbstract
491 Disclosure of detailed information about sales percentage from significant customer [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutSalesPercentageFromSignificantCustomerTextBlock
492 Disclosure of detailed information about Accounts receivable Percentage from significant customers [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutAccountsReceivablePercentageFromSignificantCustomersTextBlock
493 1059 - Disclosure - Capital management (Tables) Network

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 http://www.himax.com.tw/role/CapitalManagementTables
494 Implied Table Table

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495 Capital Management [Abstract] Abstract himx:CapitalManagementAbstract
496 Disclosure of detailed information about Capital Management [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutCapitalManagementTextBlock
497 1060 - Disclosure - Related-party Transactions (Tables) Network

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498 Implied Table Table

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499 Related party transactions [abstract] Abstract ifrs-full:RelatedPartyTransactionsAbstract
500 Disclosure of detailed information about transactions between related parties [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutTransactionsBetweenRelatedPartiesTextBlock
501 Disclosure of detailed information about key management personnel services provided by separate management entities [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutKeyManagementPersonnelServicesProvidedBySeparateManagementEntitiesTextBlock
502 1061 - Disclosure - Pledged assets (Tables) Network

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503 Implied Table Table

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504 Pledged Assets [Abstract] Abstract himx:PledgedAssetsAbstract
505 Disclosure Of Detailed Information About Pledged assets [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutPledgedAssetsTextBlock
506 1062 - Disclosure - Commitments and Contingencies (Tables) Network

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507 Implied Table Table

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508 Commitments and Contingencies [Abstract] Abstract himx:CommitmentsAndContingenciesAbstract
509 Disclosure of maturity analysis of operating lease payments [text block] Concept (Text Block (HTML)) For Period ifrs-full:DisclosureOfMaturityAnalysisOfOperatingLeasePaymentsExplanatory
510 1063 - Disclosure - Segment, Product and Geographic Information (Tables) Network

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511 Implied Table Table

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512 Disclosure of operating segments [abstract] Abstract ifrs-full:DisclosureOfOperatingSegmentsAbstract
513 Disclosure of detailed information about segment reporting [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutSegmentReportingTextBlock
514 Disclosure of detailed information about segment revenues in geographic region [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutSegmentRevenuesInGeographicRegionTextBlock
515 Disclosure of detailed information about segment revenues in major product lines [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutSegmentRevenuesInMajorProductLinesTextBlock
516 Disclosure Of Detailed Information About Tangible Long lived Assets Explanatory [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutTangibleLongLivedAssetsExplanatoryTextBlock
517 Disclosure Of Detailed Information About segmenting revenues by customers [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutSegmentingRevenuesByCustomersTextBlock
518 Disclosure Of Detailed Information About trade receivables [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutTradeReceivablesTextBlock
519 1064 - Disclosure - The Nature of Expenses (Tables) Network

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520 Implied Table Table

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521 Nature of Expenses [Abstract] Abstract himx:NatureOfExpensesAbstract
522 Disclosure of detailed information about depreciation of property plant and equipment [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutDepreciationOfPropertyPlantAndEquipmentTextBlock
523 Disclosure of detailed information about Amortization of intangible assets [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutAmortizationOfIntangibleAssetsTextBlock
524 Disclosure of detailed information about employee benefit expense [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutEmployeeBenefitExpenseTextBlock
525 1065 - Disclosure - Himax Technologies, Inc. (the Parent Company only) (Tables) Network

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526 Statement [Table] Table

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527 Consolidated Category Of Entity [Axis] Axis himx:ConsolidatedCategoryOfEntityAxis
528 Consolidated Category Of Entity [Domain] Member himx:ConsolidatedCategoryOfEntityDomain
529 Parent [member] Member himx:ParentCompaniesMember
530 Statement [Line Items] LineItems us-gaap:StatementLineItems
531 Disclosure of detailed information about Condensed Statements Of financial Position [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutCondensedStatementsOfFinancialPositionTextBlock
532 Disclosure of detailed information about statement of profit or loss [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutStatementOfProfitOrLossTextBlock
533 Disclosure of detailed information about statement of Other comprehensive income [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutStatementOfOtherComprehensiveIncomeTextBlock
534 Disclosure of detailed information about Statement of cash flows [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutStatementOfCashFlowsTextBlock
535 1066 - Disclosure - Explanation of transition to IFRS (Tables) Network

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536 Implied Table Table

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537 Explanation of transition to Ifrs [Abstract] Abstract himx:ExplanationOfTransitionToIfrsAbstract
538 Disclosure of detailed information about reconciliation of statement of Financial Position [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutReconciliationOfStatementOfFinancialPositionTextBlock
539 Disclosure of detailed information about Consolidated Statement Of Profit Or loss [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutConsolidatedStatementOfProfitOrLossTextBlock
540 Disclosure of detailed information about reconciliation of statement of other comprehensive income [Text Block] Concept (Text Block (HTML)) For Period himx:DisclosureOfDetailedInformationAboutReconciliationOfStatementOfOtherComprehensiveIncomeTextBlock
541 1067 - Disclosure - Application of new and revised IFRS as issued by the IASB (Details) Network

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 http://www.himax.com.tw/role/ApplicationOfNewAndRevisedIfrsAsIssuedByTheIasbDetails
542 Statement [Table] Table

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544 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
545 New IFRSs [axis] Axis ifrs-full:NewIFRSsAxis
546 New IFRSs [member] Member ifrs-full:NewIFRSsMember
547 Annual Improvements to IFRS 2015-2017 Cycle Member himx:ImprovementsToIFRS20152017CycleMemberMember
548 Amendments to IFRS 3 "Definition of a Business" Member himx:AmendmentsToIFRS3MemberMember
549 Amendments to IFRS 9 "Prepayment Features with Negative Compensation" Member himx:AmendmentsToIFRS9MemberMember
550 Amendments to IFRS 10 and IAS 28 "Sale or Contribution of Assets between An Investor and Its Associate or Joint Venture" Member himx:AmendmentsToIFRS10AndIAS28MemberMember
551 IFRS 16 "Leases" Member himx:IFRS16MemberMember
552 Amendments to IAS 19 "Plan Amendment, Curtailment or Settlement" Member himx:AmendmentsToIAS19MemberMember
553 Amendments to IAS 28 "Long-term Interests in Associates and Joint Ventures" Member himx:AmendmentsToIAS28MemberMember
554 IFRIC 23 "Uncertainty over Income Tax Treatments" Member himx:IFRIC23MemberMember
555 IFRS 17 "Insurance Contracts" Member himx:IFRS17MemberMember
556 Amendments to IAS 1 and IAS 8 "Definition of Material" Member himx:AmendmentsToIAS1AndIAS8MemberMember
557 Statement [Line Items] LineItems us-gaap:StatementLineItems
558 Title of new IFRS Concept (Text/String) For Period ifrs-full:TitleOfNewIFRS
559 Date by which application of new IFRS is required Concept (Date) For Period ifrs-full:DateByWhichApplicationOfNewIFRSIsRequired
560 Determination Subject To IASB Approval Concept (Text/String) For Period himx:DeterminationSubjectToIASBApproval
561 1068 - Disclosure - Application of new and revised IFRS as issued by the IASB (Details Textual) Network

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562 Statement [Table] Table

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563 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
564 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
565 Non-adjusting events after reporting period [axis] Axis ifrs-full:NonadjustingEventsAfterReportingPeriodAxis
566 Non-adjusting events after reporting period [member] Member ifrs-full:NonadjustingEventsMember
567 Subsequent Events [Member] Member himx:SubsequentEventsMember
568 Statement [Line Items] LineItems us-gaap:StatementLineItems
569 Right-of-use asset Concept (Monetary) As Of Debit ifrs-full:RightofuseAssets
570 Lease liabilities Concept (Monetary) As Of Credit ifrs-full:LeaseLiabilities
571 1069 - Disclosure - Significant accounting policies (Details) Network

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572 Statement [Table] Table

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573 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
574 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
575 Country Name [Axis] Axis himx:CountryNameAxis
576 Country Name [Domain] Member himx:CountryNameDomain
577 ROC [Member] Member himx:ROCMember
578 South Korea [Member] Member himx:SouthKoreaMember
579 Japan [Member] Member himx:JapanMember
580 Hong Kong [Member] Member himx:HongKongMember
581 Samoa [Member] Member himx:SamoaMember
582 PRC [Member] Member himx:PRCMember
583 Delaware USA [Member] Member himx:DelawareUSAMember
584 Cayman Islands [Member] Member himx:CaymanIslandsMember
585 California USA [Member] Member himx:CaliforniaUSAMember
586 Israel [Member] Member himx:IsraelMember
587 Subsidiaries [axis] Axis ifrs-full:SignificantInvestmentsInSubsidiariesAxis
588 Entity's total for subsidiaries [member] Member ifrs-full:EntitysTotalForSubsidiariesMember
589 Himax Technologies Limited Himax Taiwan [Member] Member himx:HimaxTechnologiesLimitedHimaxTaiwanMember
590 Himax Technologies Korea Ltd [Member] Member himx:HimaxTechnologiesKoreaLtdMember
591 Himax Technologies Japan Ltd [Member] Member himx:HimaxTechnologiesJapanLtdMember
592 Himax Semiconductor Inc [Member] Member himx:HimaxSemiconductorIncMember
593 Himax Semiconductor Hong Kong Limited [Member] Member himx:HimaxSemiconductorHongKongLimitedMember
594 Himax Technologies Samoa Inc [Member] Member himx:HimaxTechnologiesSamoaIncMember
595 Himax Technologies Suzhou Co Ltd [Member] Member himx:HimaxTechnologiesSuzhouCoLtdMember
596 Himax Display Inc [Member] Member himx:HimaxDisplayIncMember
597 Integrated Microdisplays Limited [Member] Member himx:IntegratedMicrodisplaysLimitedMember
598 Himax Display USA Inc [Member] Member himx:HimaxDisplayUSAIncMember
599 Himax Analogic Inc [Member] Member himx:HimaxAnalogicIncMember
600 Himax Imaging Inc [Member] Member himx:HimaxImagingIncMember
601 Himax Imaging Ltd Imaging Taiwan [Member] Member himx:HimaxImagingLtdImagingTaiwanMember
602 Himax Imaging Corp [Member] Member himx:HimaxImagingCorpMember
603 Himax Media Solutions Inc [Member] Member himx:HimaxMediaSolutionsIncMember
604 Harvest Investment Limited [Member] Member himx:HarvestInvestmentLimitedMember
605 Liqxtal Technology Inc [Member] Member himx:LiqxtalTechnologyIncMember
606 Himax IGI Precision Ltd [Member] Member himx:HimaxIGIPrecisionLtdMember
607 Emza Visual Sense Ltd [Member] Member himx:EmzaVisualSenseLtdMember
608 Himax Technologies Shenzhen Co Ltd [Member] Member himx:HimaxTechnologiesShenzhenCoLtdMember
609 Statement [Line Items] LineItems us-gaap:StatementLineItems
610 Investor Concept (Text/String) For Period ifrs-full:NameOfParentEntity
611 Subsidiary Concept (Text/String) For Period ifrs-full:NameOfSubsidiary
612 Main activities Concept (Text/String) For Period himx:NatureOfBusiness
613 Jurisdiction of Incorporation Concept (Text/String) For Period ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary
614 Percentage of Ownership Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInSubsidiary
615 1070 - Disclosure - Significant accounting policies (Details 1) Network

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616 Statement [Table] Table

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617 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
618 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
619 Statement [Line Items] LineItems us-gaap:StatementLineItems
620 Profits attributable to Himax Technologies, Inc. stockholders Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
621 Denominator for diluted earnings per ordinary share: Abstract himx:WeightedAverageBasicSharesAbstract
622 Weighted average number of ordinary shares outstanding Concept (Shares) For Period ifrs-full:WeightedAverageShares
623 Basic earnings per ordinary share attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
624 Basic earnings per ADS attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period himx:BasicEarningsPerADSAttributeToHimaxTechnologiesStockholders
625 1071 - Disclosure - Significant accounting policies (Details 2) Network

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626 Statement [Table] Table

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627 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
628 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
629 Statement [Line Items] LineItems us-gaap:StatementLineItems
630 Profits attributable to Himax Technologies, Inc. stockholders Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
631 Denominator for diluted earnings per ordinary share: Abstract himx:WeightedAverageDilutedSharesAbstract
632 Weighted average number of ordinary shares outstanding Concept (Shares) For Period ifrs-full:WeightedAverageShares
633 Unvested RSUs Concept (Shares) For Period himx:DilutiveEffectOfUnvestedRestrictedStockUnits
634 Adjusted weighted average number of ordinary shares outstanding Concept (Shares) For Period ifrs-full:AdjustedWeightedAverageShares
635 Diluted earnings per ordinary share attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
636 Diluted earnings per ADS attribute to Himax technologies, Inc. stockholders Concept (Share) For Period himx:DilutedEarningsPerADSAttributeToHimaxTechnologiesStockholders
637 1072 - Disclosure - Significant accounting policies (Details Textual) Network

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 http://www.himax.com.tw/role/SignificantAccountingPoliciesDetailsTextual
638 Statement [Table] Table

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639 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
640 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
641 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
642 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
643 Buildings [member] Member ifrs-full:BuildingsMember
644 Building improvements [Member] Member himx:BuildingsImprovementsMember
645 Machinery [member] Member ifrs-full:MachineryMember
646 Research and development equipment [Member] Member himx:ResearchAndDevelopmentEquipmentMember
647 Office furniture and equipment [Member] Member ifrs-full:FixturesAndFittingsMember
648 Others [Member] Member ifrs-full:OtherPropertyPlantAndEquipmentMember
649 Software [Member] Member ifrs-full:ComputerSoftwareMember
650 Legal Entity axis [Axis] Axis himx:LegalEntityAxisAxis
651 Legal Entity [Domain] Member himx:LegalEntityDomain
652 Himax semi conductor [Member] Member himx:HimaxSemiConductorMember
653 Himax Display Inc [Member] Member himx:HimaxDisplayIncMember
654 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
655 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
656 Technology-based intangible assets [member] Member ifrs-full:TechnologybasedIntangibleAssetsMember
657 Patent [Member] Member himx:PatentMember
658 Intellectual Properties [Member] Member himx:IntellectualPropertiesMember
659 Cash Generating unit [Axis] Axis himx:CashGeneratingUnitAxis
660 Cash Generating unit [Domain] Member himx:CashGeneratingUnitDomain
661 Driver IC CGU [Member] Member himx:DriverICCGUMember
662 WLO CGU [Member] Member himx:WLOCGUMember
663 Range [axis] Axis ifrs-full:RangeAxis
664 Ranges [member] Member ifrs-full:RangesMember
665 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
666 Top of range [member] Member ifrs-full:TopOfRangeMember
667 Statement [Line Items] LineItems us-gaap:StatementLineItems
668 Assets Acquired Useful Life Concept (xbrli:durationItemType) For Period himx:AssetsAcquiredUsefulLife
669 Discount rate applied to cash flow projections Concept (Percent) As Of ifrs-full:DescriptionOfDiscountRatesAppliedToCashFlowProjections
670 Growth rate used to extrapolate cash flow projections Concept (Percent) As Of ifrs-full:DescriptionOfGrowthRateUsedToExtrapolateCashFlowProjections
671 Goodwill recognised as of acquisition date Concept (Monetary) As Of Debit ifrs-full:GoodwillRecognisedAsOfAcquisitionDate
672 Useful Life Of Tangible Assets Concept (xbrli:durationItemType) For Period himx:UsefulLifeOfTangibleAssets
673 Plant And Equipment Useful Life Concept (xbrli:durationItemType) For Period himx:PlantAndEquipmentUsefulLife
674 Weighted Average Basic Number of ADS Equivalent Outstanding Concept (Shares) For Period himx:WeightedAverageBasicNumberOfADSEquivalentOutstanding
675 Weighted Average Diluted Number of ADS Equivalent Outstanding Concept (Shares) For Period himx:WeightedAverageDilutedNumberOfADSEquivalentOutstanding
676 1073 - Disclosure - Acquisition (Details) Network

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677 Statement [Table] Table

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678 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
679 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
680 Statement [Line Items] LineItems us-gaap:StatementLineItems
681 Recognized amounts of identifiable assets acquired and liabilities assumed: Abstract ifrs-full:AmountsRecognisedAsOfAcquisitionDateForEachMajorClassOfAssetsAcquiredAndLiabilitiesAssumedAbstract
682 Cash Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalentsRecognisedAsOfAcquisitionDate
683 Current assets, other than cash Concept (Monetary) As Of Debit ifrs-full:CurrentAssetsRecognisedAsOfAcquisitionDate
684 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate
685 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssetsRecognisedAsOfAcquisitionDate
686 Other intangible assets Concept (Monetary) As Of Debit ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate
687 Other current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilitiesRecognisedAsOfAcquisitionDate
688 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilitiesRecognisedAsOfAcquisitionDate
689 Total identifiable net assets acquired Concept (Monetary) As Of Debit ifrs-full:IdentifiableAssetsAcquiredLiabilitiesAssumed
690 1074 - Disclosure - Acquisition (Details Textual) Network

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691 Statement [Table] Table

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692 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
693 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
694 Business combinations [axis] Axis ifrs-full:BusinessCombinationsAxis
695 Entity's total for business combinations [member] Member ifrs-full:EntitysTotalForBusinessCombinationsMember
696 Emza Visual Sense Ltd [Member] Member himx:EmzaVisualSenseLtdMember
697 Nano 3D Mastering Member [Member] Member himx:Nano3DMasteringMemberMember
698 Statement [Line Items] LineItems us-gaap:StatementLineItems
699 Acquisition-related costs recognised as expense for transaction recognised separately from acquisition of assets and assumption of liabilities in business combination Concept (Monetary) For Period Debit ifrs-full:AcquisitionrelatedCostsRecognisedAsExpenseForTransactionRecognisedSeparatelyFromAcquisitionOfAssetsAndAssumptionOfLiabilitiesInBusinessCombination
700 Technology-based intangible assets recognised as of acquisition date Concept (Monetary) As Of Debit ifrs-full:TechnologybasedIntangibleAssetsRecognisedAsOfAcquisitionDate
701 Trademark-based intangible assets recognised as of acquisition date Concept (Monetary) As Of Debit ifrs-full:CustomerrelatedIntangibleAssetsRecognisedAsOfAcquisitionDate
702 Revenue of acquiree since acquisition date Concept (Monetary) For Period Credit ifrs-full:RevenueOfAcquiree
703 Profit (loss) of acquiree since acquisition date Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfAcquiree
704 Revenue of combined entity as if combination occurred at beginning of period Concept (Monetary) For Period Credit ifrs-full:RevenueOfCombinedEntity
705 Profit (loss) of combined entity as if combination occurred at beginning of period Concept (Monetary) For Period Credit ifrs-full:ProfitLossOfCombinedEntity
706 Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities Concept (Monetary) For Period Credit ifrs-full:CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
707 Cash flows used in obtaining additional control of subsidiaries or other businesses classified as investing activities Concept (Monetary) For Period Credit himx:CashFlowsUsedInObtainingAdditionalControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities
708 Consideration transferred, acquisition-date fair value Concept (Monetary) As Of Credit ifrs-full:AcquisitiondateFairValueOfTotalConsiderationTransferred
709 Liabilities incurred Concept (Monetary) As Of Credit ifrs-full:LiabilitiesIncurred
710 Gain (loss) recognised as result of remeasuring to fair value equity interest in acquiree held by acquirer before business combination Concept (Monetary) For Period Credit ifrs-full:GainLossRecognisedAsResultOfRemeasuringToFairValueEquityInterestInAcquireeHeldByAcquirerBeforeBusinessCombination
711 Property, plant and equipment recognised as of acquisition date Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipmentRecognisedAsOfAcquisitionDate
712 Identifiable intangible assets recognised as of acquisition date Concept (Monetary) As Of Debit ifrs-full:IdentifiableIntangibleAssetsRecognisedAsOfAcquisitionDate
713 Prepaid maintenance recognised as of acquisition date Concept (Monetary) For Period Debit himx:PrepaidMaintenanceRecognisedAsOfAcquisitionDate
714 weighted average useful life of intangible assets Concept (xbrli:durationItemType) For Period himx:WeightedAverageUsefulLifeOfIntangibleAssets
715 1075 - Disclosure - Cash and Cash Equivalents (Details) Network

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716 Statement [Table] Table

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717 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
718 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
719 Statement [Line Items] LineItems us-gaap:StatementLineItems
720 Cash, demand deposits and checking accounts Concept (Monetary) As Of Debit ifrs-full:Cash
721 Time deposits with less than three months maturity date Concept (Monetary) As Of Debit ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents
722 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
723 1076 - Disclosure - Financial Assets at Amortized Cost (Details) Network

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724 Statement [Table] Table

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725 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
726 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
727 Statement [Line Items] LineItems us-gaap:StatementLineItems
728 Time deposit with original maturities more than three months Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
729 1077 - Disclosure - Financial Assets at Fair Value Through Profit or Loss (Details) Network

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730 Statement [Table] Table

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731 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
732 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
733 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
734 Assets [member] Member ifrs-full:ClassesOfAssetsMember
735 Statement [Line Items] LineItems us-gaap:StatementLineItems
736 Money market fund Concept (Monetary) As Of Credit himx:MoneyMarketFundInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
737 Equity securities-unlisted company Concept (Monetary) As Of Credit himx:EquityUnlistedSecuritiesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
738 Financial assets at fair value through profit or loss Concept (Monetary) As Of Credit ifrs-full:AccumulatedChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
739 Current Concept (Monetary) As Of Debit ifrs-full:CurrentFinancialAssetsAtFairValueThroughProfitOrLoss
740 Non-current Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss
741 Total Assets Concept (Monetary) As Of Debit himx:TotalAssets
742 1078 - Disclosure - Financial Assets at Fair Value Through Profit or Loss (Details Textual) Network

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 http://www.himax.com.tw/role/FinancialAssetsAtFairValueThroughProfitOrLossDetailsTextual
743 Statement [Table] Table

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744 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
745 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
746 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
747 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
748 Financial assets at fair value through profit or loss, category [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
749 Statement [Line Items] LineItems us-gaap:StatementLineItems
750 Proceeds from disposal or maturity of available-for-sale financial assets Concept (Monetary) For Period Debit ifrs-full:ProceedsFromDisposalOrMaturityOfAvailableforsaleFinancialAssets
751 Other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
752 Gains (losses) on financial assets at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
753 Income tax liabilities Concept (Monetary) As Of Credit himx:IncomeTaxesPayable
754 Disposal Or Maturity Of Available for sale Financial Assets Concept (Monetary) For Period Credit himx:DisposalOrMaturityOfAvailableForSaleFinancialAssets
755 1079 - Disclosure - Financial Assets at Fair Value Through Other Comprehensive Income (Details Textual) Network

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756 Statement [Table] Table

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757 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
758 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
759 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
760 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
761 Equity investments [member] Member ifrs-full:EquityInvestmentsMember
762 Statement [Line Items] LineItems us-gaap:StatementLineItems
763 Capital reduction from equity security investments designated as at FVTOCI Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome
764 1080 - Disclosure - Financial Liability at Amortized Cost (Details Textual) Network

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765 Statement [Table] Table

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766 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
767 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
768 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
769 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
770 Financial liabilities at amortised cost, category [member] Member ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember
771 Statement [Line Items] LineItems us-gaap:StatementLineItems
772 Finance cost Concept (Monetary) For Period Credit ifrs-full:FinanceIncomeCost
773 1081 - Disclosure - Accounts Receivable, net (Details) Network

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774 Statement [Table] Table

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 us-gaap:StatementTable
775 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
776 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
777 Statement [Line Items] LineItems us-gaap:StatementLineItems
778 Accounts receivable Concept (Monetary) As Of Debit himx:TradeAndOtherReceivablesBeforeAllowances
779 Less: Allowance for doubtful accounts Concept (Monetary) As Of Credit himx:AllowanceForDoubtfulAccountsOnTradeAndOtherReceivables
780 Less: Loss allowance Concept (Monetary) As Of Credit himx:AllowanceForLossOnTradeAndOtherReceivables
781 Accounts receivable, net Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
782 1082 - Disclosure - Accounts Receivable, net (Details 1) Network

*

*

 http://www.himax.com.tw/role/AccountsReceivableNetDetails1
783 Statement [Table] Table

*

*

 us-gaap:StatementTable
784 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
785 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
786 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
787 Past due status [member] Member ifrs-full:PastDueStatusMember
788 Past due within 30 days [Member] Member ifrs-full:CurrentMember
789 Past due 31-60 days [Member] Member ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
790 Past due 61-90 days [Member] Member ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
791 Past due 91-120 days [Member] Member himx:LaterThanNinentyOneDaysAndNotLaterThanOneHundredAndTwentyDaysMember
792 Past due over 121 days [Member] Member himx:LaterThanOneHundredAndTwentyOneDaysMember
793 No Past Due [Member] Member himx:NoPastDueMember
794 Range [axis] Axis ifrs-full:RangeAxis
795 Ranges [member] Member ifrs-full:RangesMember
796 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
797 Top of range [member] Member ifrs-full:TopOfRangeMember
798 Statement [Line Items] LineItems us-gaap:StatementLineItems
799 Carrying amount of accounts receivable Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
800 Weighted average loss rate Concept (Percent) As Of ifrs-full:ExpectedCreditLossRate
801 Loss allowance for lifetime expected credit Concept (Monetary) For Period Credit himx:LifetimeExpectedCreditLosses
802 1083 - Disclosure - Accounts Receivable, net (Details 2) Network

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*

 http://www.himax.com.tw/role/AccountsReceivableNetDetails2
803 Statement [Table] Table

*

*

 us-gaap:StatementTable
804 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
805 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
806 Past due status [axis] Axis ifrs-full:PastDueStatusAxis
807 Past due status [member] Member ifrs-full:PastDueStatusMember
808 No Past Due [Member] Member himx:NoPastDueMember
809 Past due within 30 days [Member] Member ifrs-full:CurrentMember
810 Past due 31-60 days [Member] Member ifrs-full:LaterThanOneMonthAndNotLaterThanTwoMonthsMember
811 Past due 61-90 days [Member] Member ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember
812 Past due 91-120 days [Member] Member himx:LaterThanNinentyOneDaysAndNotLaterThanOneHundredAndTwentyDaysMember
813 Past due over 121 days [Member] Member himx:LaterThanOneHundredAndTwentyOneDaysMember
814 Statement [Line Items] LineItems us-gaap:StatementLineItems
815 Accounts Receivable, net Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
816 1084 - Disclosure - Accounts Receivable, net (Details 3) Network

*

*

 http://www.himax.com.tw/role/AccountsReceivableNetDetails3
817 Statement [Table] Table

*

*

 us-gaap:StatementTable
818 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
819 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
820 Statement [Line Items] LineItems us-gaap:StatementLineItems
821 Balance at Beginning of year Concept (Monetary) As Of Credit himx:LossAllowanceTradeAndOtherReceivableBeginningBalance
822 Charges to earnings Concept (Monetary) For Period Credit himx:ChargesToEarningsTradeAndOtherReceivable
823 Amounts utilized / write-offs Concept (Monetary) For Period Debit himx:WriteOffsTradeAndOtherReceivable
824 Balance at end of year Concept (Monetary) As Of Credit himx:LossAllowanceTradeAndOtherReceivableEndingBalance
825 1085 - Disclosure - Accounts Receivable, net (Details Textual) Network

*

*

 http://www.himax.com.tw/role/AccountsReceivableNetDetailsTextual
826 Statement [Table] Table

*

*

 us-gaap:StatementTable
827 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
828 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
829 Statement [Line Items] LineItems us-gaap:StatementLineItems
830 Charges to Earnings Accounts Receivable Concept (Monetary) For Period Credit himx:ChargesToEarningsTradeAndOtherReceivable
831 Loss Allowance Accounts Receivable Ending Balance Concept (Monetary) As Of Credit himx:LossAllowanceTradeAndOtherReceivableEndingBalance
832 1086 - Disclosure - Inventories (Details) Network

*

*

 http://www.himax.com.tw/role/InventoriesDetails
833 Statement [Table] Table

*

*

 us-gaap:StatementTable
834 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
835 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
836 Statement [Line Items] LineItems us-gaap:StatementLineItems
837 Finished goods Concept (Monetary) As Of Debit ifrs-full:FinishedGoods
838 Work in process Concept (Monetary) As Of Debit ifrs-full:WorkInProgress
839 Raw materials Concept (Monetary) As Of Debit ifrs-full:RawMaterials
840 Supplies Concept (Monetary) As Of Debit ifrs-full:ProductionSupplies
841 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
842 1087 - Disclosure - Inventories (Details Textual) Network

*

*

 http://www.himax.com.tw/role/InventoriesDetailsTextual
843 Statement [Table] Table

*

*

 us-gaap:StatementTable
844 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
845 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
846 Statement [Line Items] LineItems us-gaap:StatementLineItems
847 cost of revenues Concept (Monetary) For Period Debit ifrs-full:CostOfInventoriesRecognisedAsExpenseDuringPeriod
848 Inventory write-down Concept (Monetary) For Period ifrs-full:InventoryWritedown2011
849 1088 - Disclosure - Equity Method Investments (Details) Network

*

*

 http://www.himax.com.tw/role/EquityMethodInvestmentsDetails
850 Statement [Table] Table

*

*

 us-gaap:StatementTable
851 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
852 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
853 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
854 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
855 Emza Visual Sense Ltd. [Member] Member himx:EmzaVisualSenseLtdMember
856 Kneron Inc. [Member] Member himx:KneronIncMember
857 ViewsilMicroelectronics (Kunshan) Limited [Member] Member himx:ViewsilMicroelectronicsKunshanLimitedMember
858 Iris Optronics Co Ltd. [Member] Member himx:IrisOptronicsCoLtdMember
859 Ganzin Technology Corp. [Member] Member himx:GanzinTechnologyCorpMember
860 Statement [Line Items] LineItems us-gaap:StatementLineItems
861 Principal Activities Concept (Text/String) For Period himx:PrincipalActivities
862 Place of Incorporation and operation Concept (Text/String) For Period ifrs-full:PrincipalPlaceOfBusinessOfAssociate
863 Carrying amount Concept (Monetary) As Of Debit ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod
864 Holding Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
865 1089 - Disclosure - Equity Method Investments (Details 1) Network

*

*

 http://www.himax.com.tw/role/EquityMethodInvestmentsDetails1
866 Statement [Table] Table

*

*

 us-gaap:StatementTable
867 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
868 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
869 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
870 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
871 Statement [Line Items] LineItems us-gaap:StatementLineItems
872 The Company's share of losses of associates Concept (Monetary) For Period Debit ifrs-full:UnrecognisedShareOfLossesOfAssociates
873 The Company's share of other comprehensive income (loss) of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodBeforeTax
874 The Company's share of total comprehensive income (loss) of associates Concept (Monetary) For Period Credit ifrs-full:ShareOfTotalComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod
875 1090 - Disclosure - Equity Method Investments (Details Textual) Network

*

*

 http://www.himax.com.tw/role/EquityMethodInvestmentsDetailsTextual
876 Statement [Table] Table

*

*

 us-gaap:StatementTable
877 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
878 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
879 Associates [axis] Axis ifrs-full:SignificantInvestmentsInAssociatesAxis
880 Entity's total for associates [member] Member ifrs-full:EntitysTotalForAssociatesMember
881 Kneron Inc [Member] Member himx:KneronIncMember
882 Statement [Line Items] LineItems us-gaap:StatementLineItems
883 Gains (losses) on financial assets at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
884 1091 - Disclosure - Other Intangible Assets (Details) Network

*

*

 http://www.himax.com.tw/role/OtherIntangibleAssetsDetails
885 Statement [Table] Table

*

*

 us-gaap:StatementTable
886 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
887 Carrying amount [member] Member ifrs-full:CarryingAmountMember
888 Accumulated depreciation and amortisation [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
889 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
890 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
891 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
892 Technology Member ifrs-full:TechnologybasedIntangibleAssetsMember
893 Software Member ifrs-full:ComputerSoftwareMember
894 Others Member ifrs-full:OtherIntangibleAssetsMember
895 Statement [Line Items] LineItems us-gaap:StatementLineItems
896 Opening Balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
897 Acquisitions through business combinations Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
898 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
899 Amortization for the year Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
900 Transfer from property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersIntangibleAssetsOtherThanGoodwill
901 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill
902 Effect of exchange rate changes Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsOtherThanGoodwill
903 Ending Balance Concept (Monetary) As Of Debit ifrs-full:IntangibleAssetsOtherThanGoodwill
904 Carrying Amount [Abstract] Abstract himx:CarryingAmountAbstract
905 Carrying amount Concept (Monetary) As Of Debit ifrs-full:OtherIntangibleAssets
906 1092 - Disclosure - Other Intangible Assets (Details 1) Network

*

*

 http://www.himax.com.tw/role/OtherIntangibleAssetsDetails1
907 Statement [Table] Table

*

*

 us-gaap:StatementTable
908 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
909 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
910 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
911 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
912 Technology Member ifrs-full:TechnologybasedIntangibleAssetsMember
913 Software Member ifrs-full:ComputerSoftwareMember
914 Others Member ifrs-full:OtherIntangibleAssetsMember
915 Range [axis] Axis ifrs-full:RangeAxis
916 Ranges [member] Member ifrs-full:RangesMember
917 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
918 Top of range [member] Member ifrs-full:TopOfRangeMember
919 Statement [Line Items] LineItems us-gaap:StatementLineItems
920 Useful lives or amortisation rates, intangible assets other than goodwill Concept (Text/String) For Period ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill
921 1093 - Disclosure - Other Intangible Assets (Details Textual) Network

*

*

 http://www.himax.com.tw/role/OtherIntangibleAssetsDetailsTextual
922 Statement [Table] Table

*

*

 us-gaap:StatementTable
923 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
924 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
925 Classes of intangible assets other than goodwill [axis] Axis ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis
926 Intangible assets other than goodwill [member] Member ifrs-full:IntangibleAssetsOtherThanGoodwillMember
927 Trademark [member] Member himx:TrademarkMember
928 Statement [Line Items] LineItems us-gaap:StatementLineItems
929 Acquisitions through business combinations, intangible assets other than goodwill Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill
930 1094 - Disclosure - Property, Plant and Equipment (Details) Network

*

*

 http://www.himax.com.tw/role/PropertyPlantAndEquipmentDetails
931 Disclosure of detailed information about property, plant and equipment [table] Table

*

*

 ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable
932 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
933 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
934 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
935 Carrying amount [member] Member ifrs-full:CarryingAmountMember
936 Gross carrying amount [member] Member ifrs-full:GrossCarryingAmountMember
937 Accumulated depreciation and amortisation [member] Member ifrs-full:AccumulatedDepreciationAndAmortisationMember
938 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
939 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
940 Land Member ifrs-full:LandMember
941 Building and improvements Member ifrs-full:BuildingsMember
942 Machinery Member ifrs-full:MachineryMember
943 Research and development equipment Member himx:ResearchAndDevelopmentEquipmentMember
944 Office furniture and equipment Member ifrs-full:OfficeEquipmentMember
945 Others Member ifrs-full:OtherPropertyPlantAndEquipmentMember
946 Prepayments for purchase of equipment and construction in progress Member ifrs-full:ConstructionInProgressMember
947 Disclosure of detailed information about property, plant and equipment [line items] LineItems ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems
948 Opening Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
949 Depreciation for the year Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
950 Additions Concept (Monetary) For Period Debit ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
951 Acquisitions through business combinations Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
952 Transfers Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
953 Disposals Concept (Monetary) For Period Credit ifrs-full:DisposalsPropertyPlantAndEquipment
954 Effect of exchange rate changes Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughNetExchangeDifferencesPropertyPlantAndEquipment
955 Ending Balance Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
956 1095 - Disclosure - Property, Plant and Equipment (Details 1) Network

*

*

 http://www.himax.com.tw/role/PropertyPlantAndEquipmentDetails1
957 Statement [Table] Table

*

*

 us-gaap:StatementTable
958 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
959 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
960 Classes of property, plant and equipment [axis] Axis ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis
961 Property, plant and equipment [member] Member ifrs-full:PropertyPlantAndEquipmentMember
962 Buildings Member ifrs-full:BuildingsMember
963 Building improvements Member himx:BuildingsImprovementsMember
964 Machinery Member ifrs-full:MachineryMember
965 Research and development equipment Member himx:ResearchAndDevelopmentEquipmentMember
966 Office furniture and equipment Member ifrs-full:OfficeEquipmentMember
967 Others Member ifrs-full:OtherPropertyPlantAndEquipmentMember
968 Statement [Line Items] LineItems us-gaap:StatementLineItems
969 Useful lives or depreciation rates, property, plant and equipment Concept (Text/String) For Period ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment
970 1096 - Disclosure - Property, Plant and Equipment (Details Textual) Network

*

*

 http://www.himax.com.tw/role/PropertyPlantAndEquipmentDetailsTextual
971 Statement [Table] Table

*

*

 us-gaap:StatementTable
972 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
973 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
974 Statement [Line Items] LineItems us-gaap:StatementLineItems
975 Acquisitions through business combinations, property, plant and equipment Concept (Monetary) For Period Debit ifrs-full:AcquisitionsThroughBusinessCombinationsPropertyPlantAndEquipment
976 1097 - Disclosure - Other Current Liabilities (Details) Network

*

*

 http://www.himax.com.tw/role/OtherCurrentLiabilitiesDetails
977 Statement [Table] Table

*

*

 us-gaap:StatementTable
978 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
979 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
980 Statement [Line Items] LineItems us-gaap:StatementLineItems
981 Accrued payroll and related expenses Concept (Monetary) As Of Credit himx:AccruedPayrollAndRelatedExpenses
982 Accrued mask, mold fees and other expenses for RD Concept (Monetary) As Of Credit himx:AccruedMaskMoldFeesAndOtherExpensesForResearchAndDevelopment
983 Payable for purchases of building and equipment Concept (Monetary) As Of Credit himx:PayableForPurchasesOfBuildingAndEquipment
984 Accrued software maintenance Concept (Monetary) As Of Credit himx:AccruedSoftwareMaintenance
985 Allowance for sales discounts Concept (Monetary) As Of Credit himx:AllowanceForSalesReturnsAndDiscounts
986 Accrued insurance, welfare expenses, professional fee Concept (Monetary) As Of Credit himx:AccruedInsuranceWelfareExpensesProfessionalFee
987 Other current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
988 1098 - Disclosure - Other Current Liabilities (Details 1) Network

*

*

 http://www.himax.com.tw/role/OtherCurrentLiabilitiesDetails1
989 Statement [Table] Table

*

*

 us-gaap:StatementTable
990 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
991 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
992 Statement [Line Items] LineItems us-gaap:StatementLineItems
993 Balance at beginning of year Concept (Monetary) As Of Credit himx:AllowanceSalesReturnsAndDiscountsBeginningBalance
994 Charges to earnings Concept (Monetary) For Period Credit himx:ChargesToEarningsSalesReturnsAndDiscounts
995 Amounts utilized Concept (Monetary) For Period Debit himx:WriteOffsSalesReturnsAndDiscounts
996 Balance at end of year Concept (Monetary) As Of Credit himx:AllowanceSalesReturnsAndDiscountsEndingBalance
997 1099 - Disclosure - Short-Term Borrowings (Details) Network

*

*

 http://www.himax.com.tw/role/ShortTermBorrowingsDetails
998 Statement [Table] Table

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*

 us-gaap:StatementTable
999 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1000 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1001 Liabilities arising from financing activities [axis] Axis ifrs-full:LiabilitiesArisingFromFinancingActivitiesAxis
1002 Liabilities arising from financing activities [member] Member ifrs-full:LiabilitiesArisingFromFinancingActivitiesMember
1003 Short-term borrowings [member] Member ifrs-full:ShorttermBorrowingsMember
1004 Range [axis] Axis ifrs-full:RangeAxis
1005 Ranges [member] Member ifrs-full:RangesMember
1006 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1007 Top of range [member] Member ifrs-full:TopOfRangeMember
1008 Statement [Line Items] LineItems us-gaap:StatementLineItems
1009 Unsecured borrowings Concept (Monetary) As Of Credit ifrs-full:UnsecuredBankLoansReceived
1010 Secured borrowings Concept (Monetary) As Of Credit ifrs-full:SecuredBankLoansReceived
1011 Unused credit lines Concept (Monetary) As Of Credit ifrs-full:OtherBorrowings
1012 Interest rate Concept (Percent) As Of ifrs-full:BorrowingsInterestRate
1013 1100 - Disclosure - Short-Term Borrowings (Details 1) Network

*

*

 http://www.himax.com.tw/role/ShortTermBorrowingsDetails1
1014 Statement [Table] Table

*

*

 us-gaap:StatementTable
1015 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1016 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1017 Liabilities arising from financing activities [axis] Axis ifrs-full:LiabilitiesArisingFromFinancingActivitiesAxis
1018 Liabilities arising from financing activities [member] Member ifrs-full:LiabilitiesArisingFromFinancingActivitiesMember
1019 Short-term borrowings [member] Member ifrs-full:ShorttermBorrowingsMember
1020 Statement [Line Items] LineItems us-gaap:StatementLineItems
1021 Liabilities arising from financing activities Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1022 Increase (decrease) through financing cash flows, liabilities arising from financing activities Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities
1023 Liabilities arising from financing activities Concept (Monetary) As Of Credit ifrs-full:LiabilitiesArisingFromFinancingActivities
1024 1101 - Disclosure - Short-Term Borrowings (Details Textual) Network

*

*

 http://www.himax.com.tw/role/ShortTermBorrowingsDetailsTextual
1025 Statement [Table] Table

*

*

 us-gaap:StatementTable
1026 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1027 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1028 Maturity [axis] Axis ifrs-full:MaturityAxis
1029 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1030 Statement [Line Items] LineItems us-gaap:StatementLineItems
1031 Cash and time deposits Concept (Monetary) As Of Debit himx:CashAndTimeDeposits
1032 Unused Credit Lines Amount, Expired Amount Concept (Monetary) For Period Credit himx:UnusedCreditLinesAmountExpiredAmount
1033 Debt Instrument Collateral Amounts Concept (Monetary) As Of Debit himx:DebtInstrumentCollateralAmounts
1034 1102 - Disclosure - Employee benefits (Details) Network

*

*

 http://www.himax.com.tw/role/EmployeeBenefitsDetails
1035 Statement [Table] Table

*

*

 us-gaap:StatementTable
1036 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1037 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1038 Statement [Line Items] LineItems us-gaap:StatementLineItems
1039 Present value of the defined benefit obligations Concept (Monetary) As Of Credit ifrs-full:DefinedBenefitObligationAtPresentValue
1040 Fair value of plan assets Concept (Monetary) As Of Debit ifrs-full:PlanAssetsAtFairValue
1041 Surplus (deficit) in plan Concept (Monetary) As Of Debit ifrs-full:SurplusDeficitInPlan
1042 Net defined benefit liabilities Concept (Monetary) As Of Credit ifrs-full:RecognisedLiabilitiesDefinedBenefitPlan
1043 Prepaid pension cost Concept (Monetary) As Of Credit himx:PrepaidPensionCost
1044 Aggregate Reconciliations of defined benefit obligation Concept (Monetary) As Of Credit himx:AggregateReconciliationsOfDefinedBenefitObligation
1045 1103 - Disclosure - Employee benefits (Details 1) Network

*

*

 http://www.himax.com.tw/role/EmployeeBenefitsDetails1
1046 Statement [Table] Table

*

*

 us-gaap:StatementTable
1047 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1048 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1049 Statement [Line Items] LineItems us-gaap:StatementLineItems
1050 Balance at beginning of year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1051 Service costs Concept (Monetary) For Period Credit ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset
1052 Interest expense Concept (Monetary) For Period Credit ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
1053 Remeasurements loss (gain): Abstract ifrs-full:GainLossOnRemeasurementOfReimbursementRightsAbstract
1054 Actuarial loss (gain) arising from: Abstract himx:ActuraialLossGainArisingFromAbstract
1055 -Changes in demographic assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInDemographicAssumptionsNetDefinedBenefitLiabilityAsset
1056 -Experience adjustment Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
1057 -Change in financial assumptions Concept (Monetary) For Period Debit ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset
1058 Effect of changes in exchange rates Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
1059 Balance at end of year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1060 1104 - Disclosure - Employee benefits (Details 2) Network

*

*

 http://www.himax.com.tw/role/EmployeeBenefitsDetails2
1061 Statement [Table] Table

*

*

 us-gaap:StatementTable
1062 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1063 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1064 Statement [Line Items] LineItems us-gaap:StatementLineItems
1065 Balance at beginning of year Concept (Monetary) As Of Credit ifrs-full:AssetsLiabilitiesOfBenefitPlan
1066 Interest income Concept (Monetary) For Period Credit ifrs-full:InvestmentIncome
1067 Remeasurements loss (gain): Abstract ifrs-full:GainLossOnRemeasurementOfReimbursementRightsAbstract
1068 -Return on plan assets excluding interest income Concept (Monetary) For Period Debit ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset
1069 Contributions paid by the employer Concept (Monetary) For Period Debit ifrs-full:ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
1070 Effect of changes in exchange rate Concept (Monetary) For Period Credit himx:IncreaseDecreaseThroughChangesInForeignExchangeRatesFairValueLiabilityAsset
1071 Balance at end of year Concept (Monetary) As Of Credit ifrs-full:AssetsLiabilitiesOfBenefitPlan
1072 1105 - Disclosure - Employee benefits (Details 3) Network

*

*

 http://www.himax.com.tw/role/EmployeeBenefitsDetails3
1073 Statement [Table] Table

*

*

 us-gaap:StatementTable
1074 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1075 Defined benefit pension plans [member] Member ifrs-full:DefinedBenefitPlansMember
1076 Defined Benefit Plan [Member] Member himx:DefinedBenefitPlanMember
1077 Statement [Line Items] LineItems us-gaap:StatementLineItems
1078 Current service costs Concept (Monetary) For Period Debit ifrs-full:ServicesExpense
1079 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
1080 Total Concept (Monetary) For Period Debit ifrs-full:ExpenseByNature
1081 Cost of revenues Concept (Monetary) For Period Debit ifrs-full:CostOfSales
1082 Research and development Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
1083 General and administrative Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
1084 Sales and marketing Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
1085 Total Expenses Concept (Monetary) For Period Debit ifrs-full:ExpenseByNature
1086 1106 - Disclosure - Employee benefits (Details 4) Network

*

*

 http://www.himax.com.tw/role/EmployeeBenefitsDetails4
1087 Statement [Table] Table

*

*

 us-gaap:StatementTable
1088 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1089 Defined benefit pension plans [member] Member ifrs-full:DefinedBenefitPlansMember
1090 Defined Benefit Plan [Member] Member himx:DefinedBenefitPlanMember
1091 Statement [Line Items] LineItems us-gaap:StatementLineItems
1092 Balance at beginning of year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1093 Recognized during the period Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
1094 Balance at end of year Concept (Monetary) As Of Credit ifrs-full:LiabilityAssetOfDefinedBenefitPlans
1095 1107 - Disclosure - Employee benefits (Details 5) Network

*

*

 http://www.himax.com.tw/role/EmployeeBenefitsDetails5
1096 Statement [Table] Table

*

*

 us-gaap:StatementTable
1097 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1098 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1099 Actuarial assumptions [axis] Axis ifrs-full:ActuarialAssumptionsAxis
1100 Actuarial assumptions [member] Member ifrs-full:ActuarialAssumptionsMember
1101 Actuarial assumption of discount rates [member] Member ifrs-full:ActuarialAssumptionOfDiscountRatesMember
1102 Actuarial assumption of expected rates of salary increases [member] Member ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember
1103 Range [axis] Axis ifrs-full:RangeAxis
1104 Ranges [member] Member ifrs-full:RangesMember
1105 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1106 Top of range [member] Member ifrs-full:TopOfRangeMember
1107 Statement [Line Items] LineItems us-gaap:StatementLineItems
1108 Discount rate Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfDiscountRates
1109 Rate of increase in compensation levels Concept (Percent) As Of ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases
1110 1108 - Disclosure - Employee benefits (Details 6) Network

*

*

 http://www.himax.com.tw/role/EmployeeBenefitsDetails6
1111 Statement [Table] Table

*

*

 us-gaap:StatementTable
1112 Sensitivity Analysis To Defined benefit Plan [Axis] Axis himx:SensitivityAnalysisToDefinedBenefitPlanAxis
1113 Sensitivity Analysis To Defined benefit Plan Axis [Member] Member himx:SensitivityAnalysisToDefinedBenefitPlanAxisMember
1114 Defined benefit Plan +0.5% [Member] Member himx:DefinedBenefitPlanPlus05Member
1115 Defined benefit Plan -0.5% [Member] Member himx:DefinedBenefitPlanMinus05Member
1116 Statement [Line Items] LineItems us-gaap:StatementLineItems
1117 Defined Benefit Plan Calculating Benefit Obligation Discount Rate Concept (Monetary) As Of Debit himx:DefinedBenefitPlanCalculatingBenefitObligationDiscountRate
1118 Defined Benefit Plan Calculating Benefit Obligation Rate Of Compensation Increase Concept (Monetary) As Of Credit himx:DefinedBenefitPlanCalculatingBenefitObligationRateOfCompensationIncrease
1119 1109 - Disclosure - Employee benefits (Details Textual) Network

*

*

 http://www.himax.com.tw/role/EmployeeBenefitsDetailsTextual
1120 Statement [Table] Table

*

*

 us-gaap:StatementTable
1121 Range [axis] Axis ifrs-full:RangeAxis
1122 Ranges [member] Member ifrs-full:RangesMember
1123 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1124 Top of range [member] Member ifrs-full:TopOfRangeMember
1125 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1126 Defined benefit pension plans [member] Member ifrs-full:DefinedBenefitPlansMember
1127 Defined Contribution Plans [Member] Member himx:DefinedContributionPlansMember
1128 Statement [Line Items] LineItems us-gaap:StatementLineItems
1129 Other Foreign Subsidiaries Pension Expenses Concept (Monetary) For Period Debit himx:OtherPensionExpenses
1130 Labour And Social Welfare Concept (Monetary) For Period Debit himx:LabourAndSocialWelfare
1131 Wages and salaries Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
1132 Percentage Of Wages Contribution To Employee Concept (Percent) As Of himx:PercentageOfWagesContributionToEmployee
1133 Weighted average duration of defined benefit obligation Concept (Decimal) For Period ifrs-full:WeightedAverageDurationOfDefinedBenefitObligation
1134 Post-employment benefit expense, defined contribution plans Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedContributionPlans
1135 Deposits from banks Concept (Monetary) As Of Credit ifrs-full:DepositsFromBanks
1136 Percentage of Company Contributes Towards Wages and Salaries Concept (Percent) As Of himx:PercentageOfCompanyContributesTowardsWagesAndSalaries
1137 1110 - Disclosure - Share-Based Compensation (Details) Network

*

*

 http://www.himax.com.tw/role/ShareBasedCompensationDetails
1138 Disclosure Of Share Based Payment Arrangements Explanatory [Table] Table

*

*

 himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryTable
1139 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1140 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1141 Share Based Compensation [Member] Member himx:ShareBasedCompensationMember
1142 Disclosure Of Share Based Payment Arrangements Explanatory [Line Items] LineItems himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryLineItems
1143 Cost of revenues Concept (Monetary) For Period Debit ifrs-full:CostOfSales
1144 Research and development Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
1145 General and administrative Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1146 Sales and marketing Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
1147 Total compensation recognized in income Concept (Monetary) For Period Credit ifrs-full:RevenueAndOperatingIncome
1148 Income tax benefit Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1149 1111 - Disclosure - Share-Based Compensation (Details 1) Network

*

*

 http://www.himax.com.tw/role/ShareBasedCompensationDetails1
1150 Disclosure Of Share Based Payment Arrangements Explanatory [Table] Table

*

*

 himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryTable
1151 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1152 Equity [member] Member ifrs-full:EquityMember
1153 Restricted stock units [Member] Member himx:RestrictedStockUnitsMember
1154 Disclosure Of Share Based Payment Arrangements Explanatory [Line Items] LineItems himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryLineItems
1155 Number of Shares, Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1156 Number of Shares, Granted Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1157 Number of Shares, Vested Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1158 Number of Shares, Forfeited Concept (Decimal) For Period ifrs-full:NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1159 Number of Shares, Balance Concept (Decimal) As Of ifrs-full:NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1160 Weighted Average Grant Date Fair Value, Balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1161 Weighted Average Grant Date Fair Value, Granted Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsGrantedInSharebasedPaymentArrangement
1162 Weighted Average Grant Date Fair Value, Vested Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
1163 Weighted Average Grant Date Fair Value, Forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
1164 Weighted Average Grant Date Fair Value, Balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
1165 1112 - Disclosure - Share-Based Compensation (Details 2) Network

*

*

 http://www.himax.com.tw/role/ShareBasedCompensationDetails2
1166 Disclosure Of Share Based Payment Arrangements Explanatory [Table] Table

*

*

 himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryTable
1167 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1168 Equity [member] Member ifrs-full:EquityMember
1169 Restricted stock units [Member] Member himx:RestrictedStockUnitsMember
1170 Disclosure Of Share Based Payment Arrangements Explanatory [Line Items] LineItems himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryLineItems
1171 Cost of revenues Concept (Monetary) For Period Debit ifrs-full:CostOfSales
1172 Research and development Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
1173 General and administrative Concept (Monetary) For Period Debit ifrs-full:GeneralAndAdministrativeExpense
1174 Sales and marketing Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
1175 Total compensation from RSUs Concept (Monetary) For Period Debit himx:AggregateOfCompesationFromRSU
1176 Income tax benefit Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1177 1113 - Disclosure - Share-Based Compensation (Details 3) Network

*

*

 http://www.himax.com.tw/role/ShareBasedCompensationDetails3
1178 Disclosure Of Share Based Payment Arrangements Explanatory [Table] Table

*

*

 himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryTable
1179 Legal Entities [Axis] Axis himx:LegalEntitiesAxis
1180 Legal Entities [Member] Member himx:LegalEntitiesMember
1181 Imaging Cayman [Member] Member himx:ImagingCaymanMember
1182 Imaging Taiwan [Member] Member himx:ImagingTaiwanMember
1183 Himax Display [Member] Member himx:HimaxDisplayMember
1184 Stock Oprtion Plan Name [Axis] Axis himx:StockOprtionPlanNameAxis
1185 Stock Oprtion Plan Name [Member] Member himx:StockOprtionPlanNameMember
1186 Stock Option 2016 Plan [Member] Member himx:StockOption2016PlanMember
1187 Stock Option 2015 Plan [Member] Member himx:StockOption2015PlanMember
1188 Disclosure Of Share Based Payment Arrangements Explanatory [Line Items] LineItems himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryLineItems
1189 Valuation assumptions: Abstract himx:ShareBasedCompensationValuationAssumptionsAndMethodologyAbstract
1190 Expected dividend yield Concept (Percent) For Period ifrs-full:ExpectedDividendAsPercentageShareOptionsGranted
1191 Expected volatility Concept (Percent) For Period ifrs-full:DescriptionOfExpectedVolatilityShareOptionsGranted
1192 Expected term (years) Concept (xbrli:durationItemType) For Period himx:DescriptionOfOptionsLifeShareOptionGranted
1193 Risk-free interest rate Concept (Percent) For Period ifrs-full:DescriptionOfRiskFreeInterestRateShareOptionsGranted
1194 1114 - Disclosure - Share-Based Compensation (Details 4) Network

*

*

 http://www.himax.com.tw/role/ShareBasedCompensationDetails4
1195 Disclosure Of Share Based Payment Arrangements Explanatory [Table] Table

*

*

 himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryTable
1196 Legal Entities [Axis] Axis himx:LegalEntitiesAxis
1197 Legal Entities [Member] Member himx:LegalEntitiesMember
1198 Imaging Cayman [Member] Member himx:ImagingCaymanMember
1199 Imaging Taiwan [Member] Member himx:ImagingTaiwanMember
1200 Himax Display Inc [Member] Member himx:HimaxDisplayIncMember
1201 Disclosure Of Share Based Payment Arrangements Explanatory [Line Items] LineItems himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryLineItems
1202 Number of shares, Balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1203 Number of shares, Granted Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1204 Number of shares, Exercised Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1205 Number of shares, Forfeited Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsForfeitedInSharebasedPaymentArrangement
1206 Number of shares, Balance Concept (Decimal) As Of ifrs-full:NumberOfOutstandingShareOptions
1207 Number of shares, Exercisable Concept (Decimal) As Of ifrs-full:NumberOfShareOptionsExercisableInSharebasedPaymentArrangement
1208 Weighted average exercise price, Balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1209 Weighted average exercise price, Granted Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsGrantedInSharebasedPaymentArrangement
1210 Weighted average exercise price, Exercised Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisedInSharebasedPaymentArrangement
1211 Weighted average exercise price, Forfeited Concept (Monetary) For Period ifrs-full:WeightedAverageExercisePriceOfShareOptionsForfeitedInSharebasedPaymentArrangement
1212 Weighted average exercise price, Balance Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsOutstandingInSharebasedPaymentArrangement
1213 Weighted average exercise price, Exercisable Concept (Monetary) As Of ifrs-full:WeightedAverageExercisePriceOfShareOptionsExercisableInSharebasedPaymentArrangement
1214 Weighted average remaining contractual term, Balance (in years) Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1215 Weighted average remaining contractual term, Balance (in years) Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1216 1115 - Disclosure - Share-Based Compensation (Details Textual) Network

*

*

 http://www.himax.com.tw/role/ShareBasedCompensationDetailsTextual
1217 Disclosure Of Share Based Payment Arrangements Explanatory [Table] Table

*

*

 himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryTable
1218 Legal Entities [Axis] Axis himx:LegalEntitiesAxis
1219 Legal Entities [Member] Member himx:LegalEntitiesMember
1220 Himax Imaging [Member] Member himx:HimaxImagingMember
1221 Imaging Taiwan [Member] Member himx:ImagingTaiwanMember
1222 Himax Display [Member] Member himx:HimaxDisplayMember
1223 Stock Oprtion Plan Name [Axis] Axis himx:StockOprtionPlanNameAxis
1224 Stock Oprtion Plan Name [Member] Member himx:StockOprtionPlanNameMember
1225 Stock Option 2016 Plan [Member] Member himx:StockOption2016PlanMember
1226 Stock Option 2015 Plan [Member] Member himx:StockOption2015PlanMember
1227 Issuer Equity Type [Axis] Axis himx:IssuerEquityTypeAxis
1228 Issuer Equity Type [Member] Member himx:IssuerEquityTypeMember
1229 ROC Centarl Government [Member] Member himx:ROCCentarlGovernmentMember
1230 Stock Option Vesting [Axis] Axis himx:StockOptionVestingAxis
1231 Stock Option Vesting [Member] Member himx:StockOptionVestingMember
1232 One And Half Years After Grant Date [Member] Member himx:OneAndHalfYearsAfterGrantDateMember
1233 Three Years After Grant Date [Member] Member himx:ThreeYearsAfterGrantDateMember
1234 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1235 Equity [member] Member ifrs-full:EquityMember
1236 Restricted stock units [Member] Member himx:RestrictedStockUnitsMember
1237 Classes of share capital [axis] Axis ifrs-full:ClassesOfShareCapitalAxis
1238 Share capital [member] Member ifrs-full:ClassesOfShareCapitalMember
1239 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1240 Incentive Plan Name [Axis] Axis himx:IncentivePlanNameAxis
1241 Incentive Plan [Domain] Member himx:IncentivePlanDomain
1242 Long Term Incentive Plan [Member] Member himx:LongTermIncentivePlanMember
1243 Disclosure Of Share Based Payment Arrangements Explanatory [Line Items] LineItems himx:DisclosureOfShareBasedPaymentArrangementsExplanatoryLineItems
1244 Share Options Contractual Life Concept (xbrli:durationItemType) For Period himx:ShareOptionsContractualLife
1245 Share Options Vesting period Concept (xbrli:durationItemType) For Period himx:ShareOptionsVestingPeriod
1246 Share Based Compensation Risk Free Interest Rate Expected Term Concept (xbrli:durationItemType) For Period himx:ShareBasedCompensationRiskFreeInterestRateExpectedTerm
1247 Share Based Compensation No Of Shares Authorized Concept (Shares) As Of himx:ShareBasedCompensationNoOfSharesAuthorized
1248 Exercise price, share options granted Concept (Monetary) For Period ifrs-full:ExercisePriceShareOptionsGranted
1249 Number of other equity instruments granted in share-based payment arrangement Concept (Decimal) For Period ifrs-full:NumberOfInstrumentsOtherEquityInstrumentsGranted
1250 Percentage of restrictedstock units grant vested Concept (Pure) As Of himx:PercentageOfRestrictedstockUnitsGrantVested
1251 percentage of vested settled by ordinary shares One Concept (Pure) As Of himx:PercentageOfVestedSettledByOrdinarySharesOne
1252 percentage of vested settled by ordinary shares Two Concept (Pure) As Of himx:PercentageOfVestedSettledByOrdinarySharesTwo
1253 percentage of vested settled by ordinary shares Three Concept (Pure) As Of himx:PercentageOfVestedSettledByOrdinarySharesThree
1254 Estimated fairvalue market price of ADS Concept (Monetary) For Period Credit himx:EstimatedFairvalueMarketPriceOfADS
1255 Restricted stock unit settle by shares Concept (Shares) As Of himx:RestrictedStockUnitsSettleByShares
1256 Number of share options granted in share-based payment arrangement Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsGrantedInSharebasedPaymentArrangement
1257 Number of share options exercised in share-based payment arrangement Concept (Decimal) For Period ifrs-full:NumberOfShareOptionsExercisedInSharebasedPaymentArrangement
1258 Weighted average remaining contractual life of outstanding share options Concept (Decimal) As Of ifrs-full:WeightedAverageRemainingContractualLifeOfOutstandingShareOptions
1259 Expense from share-based payment transactions for non controlling interests Concept (Monetary) For Period Debit himx:ExpenseFromSharebasedPaymentTransactionsForNoncontrollingInterests
1260 Compensation Cost Not Yet Recognized Concept (Monetary) For Period Debit himx:EmployeeServiceShareBasedCompensationUnvestedAwardsTotalCompensationCostNotYetRecognized
1261 Restricted stock units settled by cash Concept (Monetary) As Of Credit himx:RestrictedStockUnitsSettledByCash
1262 Share Based Compensation Vesting Rights Percentage Concept (Percent) For Period himx:ShareBasedCompensationArrangementVestingRightsPercentage
1263 1116 - Disclosure - Equity (Details) Network

*

*

 http://www.himax.com.tw/role/EquityDetails
1264 Statement [Table] Table

*

*

 us-gaap:StatementTable
1265 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1266 Equity [member] Member ifrs-full:EquityMember
1267 Treasury shares [member] Member ifrs-full:TreasurySharesMember
1268 Share of Changes in Equities of Associates [Member] Member himx:ShareOfChangesInEquitiesOfAssociatesMember
1269 Classes of ordinary shares [axis] Axis ifrs-full:ClassesOfOrdinarySharesAxis
1270 Ordinary shares [member] Member ifrs-full:OrdinarySharesMember
1271 Ordinary Share [Member] Member himx:OrdinaryShareMember
1272 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
1273 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
1274 Share Based Compensation [Member] Member himx:ShareBasedCompensationMember
1275 Statement [Line Items] LineItems us-gaap:StatementLineItems
1276 From ordinary shares Concept (Monetary) For Period Credit himx:AdditionalPaidInCapitalIncreaseDecreaseThroughOrdinaryShares
1277 From treasury shares Concept (Monetary) For Period Credit ifrs-full:SaleOrIssueOfTreasuryShares
1278 From share-based compensation Concept (Monetary) For Period Credit himx:AdditionalPaidInCapitalIncreaseDecreaseThroughShareBasedCompensation
1279 From share of changes in equities of associates Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangeInEquityOfSubsidiaries
1280 Additional paid-in capital Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
1281 1117 - Disclosure - Equity (Details 1) Network

*

*

 http://www.himax.com.tw/role/EquityDetails1
1282 Statement [Table] Table

*

*

 us-gaap:StatementTable
1283 Currency Translation [Axis] Axis himx:CurrencyTranslationAxis
1284 Currency Translation [Domain] Member himx:CurrencyTranslationDomain
1285 Foreign currency translation [member] Member himx:ForeignCurrencyTranslationMember
1286 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
1287 Defined benefit pension plans [member] Member ifrs-full:DefinedBenefitPlansMember
1288 Defined benefit pension plans [member] Member ifrs-full:DefinedBenefitPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
1289 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1290 Equity [member] Member ifrs-full:EquityMember
1291 Accumulated other comprehensive income [member] Member ifrs-full:AccumulatedOtherComprehensiveIncomeMember
1292 Fair Value Measurement And Adjustment [Axis] Axis himx:FairValueMeasurementAndAdjustmentAxis
1293 Fair Value Measurement And Adjustment [Domain] Member himx:FairValueMeasurementAndAdjustmentDomain
1294 Unrealized gain (losses) on securities [Member] Member himx:UnrealizedGainLossesOnSecuritiesMember
1295 Statement [Line Items] LineItems us-gaap:StatementLineItems
1296 Beginning balance Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
1297 Exchange differences arising on translation of foreign operations Concept (Monetary) For Period Credit himx:ExchangeDifferenceOnTranslationOfForeignOperations
1298 Changes in fair value of financial assets Concept (Monetary) For Period Credit himx:ChangesInFairValueOfFinancialAssets
1299 Remeasurement of defined benefit pension plans Concept (Monetary) For Period Credit himx:RemeasurementOfDefinedBenefitPensionPlan
1300 Ending balance Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
1301 1118 - Disclosure - Equity (Details 2) Network

*

*

 http://www.himax.com.tw/role/EquityDetails2
1302 Statement [Table] Table

*

*

 us-gaap:StatementTable
1303 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1304 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1305 Statement [Line Items] LineItems us-gaap:StatementLineItems
1306 Balance at the beginning of year Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1307 Equity attributable to non-controlling interests Abstract himx:EquityAttriButableToNonControllingInterestAbstract
1308 Loss for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1309 Changes in fair value of financial assets Concept (Monetary) For Period Credit himx:ChangesInFairValueOfFinancialAssets
1310 Remeasurement of defined benefit pension plans Concept (Monetary) For Period Credit himx:RemeasurementOfDefinedBenefitPensionPlan
1311 Share-based compensation expenses Concept (Monetary) For Period Debit ifrs-full:ExpenseFromSharebasedPaymentTransactionsWithEmployees
1312 New shares issued by subsidiary Concept (Monetary) For Period Credit himx:NewSharesIssuedBySubsidiary
1313 Exchange differences arising on translation of foreign operations Concept (Monetary) For Period Credit himx:ExchangeDifferenceOnTranslationOfForeignOperations
1314 Purchase of subsidiary shares from noncontrolling interests Concept (Monetary) For Period Credit himx:PurchaseOfSubsidiarySharesFromNonControllingInterest
1315 Balance at the end of year Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1316 1119 - Disclosure - Equity (Details Textual) Network

*

*

 http://www.himax.com.tw/role/EquityDetailsTextual
1317 Statement [Table] Table

*

*

 us-gaap:StatementTable
1318 Components of equity [axis] Axis ifrs-full:ComponentsOfEquityAxis
1319 Equity [member] Member ifrs-full:EquityMember
1320 Issued capital [member] Member ifrs-full:IssuedCapitalMember
1321 Treasury shares [member] Member ifrs-full:TreasurySharesMember
1322 Statement [Line Items] LineItems us-gaap:StatementLineItems
1323 Par value per share Concept (Share) As Of ifrs-full:ParValuePerShare
1324 Number of shares authorised Concept (Shares) As Of ifrs-full:NumberOfSharesAuthorised
1325 Number of shares outstanding Concept (Shares) As Of ifrs-full:NumberOfSharesOutstanding
1326 Number of shares issued Concept (Shares) As Of ifrs-full:NumberOfSharesIssued
1327 Accumulated Legal and special reserve Concept (Monetary) As Of Credit himx:AccumulatedLegalAndSpecialReserve
1328 Proportion of ownership interest in associate Concept (Percent) For Period ifrs-full:ProportionOfOwnershipInterestInAssociate
1329 Percentage Of Annual Net Income Set Aside As Legal Reserve Concept (Percent) For Period himx:PercentageOfAnnualNetIncomeSetAsideAsLegalReserve
1330 1120 - Disclosure - Income Taxes (Details) Network

*

*

 http://www.himax.com.tw/role/IncomeTaxesDetails
1331 Statement [Table] Table

*

*

 us-gaap:StatementTable
1332 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1333 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1334 Statement [Line Items] LineItems us-gaap:StatementLineItems
1335 Current tax expense Abstract ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriodsAbstract
1336 Current period Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncome
1337 Adjustment for prior periods Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod
1338 Current tax expense (income) and adjustments for current tax of prior periods Concept (Monetary) For Period Debit ifrs-full:CurrentTaxExpenseIncomeAndAdjustmentsForCurrentTaxOfPriorPeriods
1339 Deferred tax expense Abstract ifrs-full:DeferredTaxExpenseIncomeAbstract
1340 Origination and reversal of temporary differences Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences
1341 Investment tax credits and operating loss carryforward Concept (Monetary) For Period Debit himx:DeferredTaxExpenseIncomeRelatingToInvestmentTaxCreditsAndOperatingLossCarryForward
1342 Effect of tax rate changes Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncomeRelatingToTaxRateChangesOrImpositionOfNewTaxes
1343 Deferred tax expense (income) Concept (Monetary) For Period Debit ifrs-full:DeferredTaxExpenseIncome
1344 Total income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1345 1121 - Disclosure - Income Taxes (Details 1) Network

*

*

 http://www.himax.com.tw/role/IncomeTaxesDetails1
1346 Statement [Table] Table

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 us-gaap:StatementTable
1347 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1348 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1349 Statement [Line Items] LineItems us-gaap:StatementLineItems
1350 Items that will not be reclassified to profit or loss: Abstract ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossAbstract
1351 Remeasurements of defined benefit pension plans Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
1352 1122 - Disclosure - Income Taxes (Details 2) Network

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*

 http://www.himax.com.tw/role/IncomeTaxesDetails2
1353 Statement [Table] Table

*

*

 us-gaap:StatementTable
1354 Consolidated Category Of Entity [Axis] Axis himx:ConsolidatedCategoryOfEntityAxis
1355 Consolidated Category Of Entity [Domain] Member himx:ConsolidatedCategoryOfEntityDomain
1356 Statement [Line Items] LineItems us-gaap:StatementLineItems
1357 Income tax expense calculated at the statutory rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1358 Tax on undistributed earnings Concept (Percent) For Period himx:TaxRateEffectOnUndistributedEarnings
1359 Tax-exempt income Concept (Percent) For Period ifrs-full:TaxRateEffectOfRevenuesExemptFromTaxation
1360 Tax benefit resulting from setting aside legal reserve from prior year's income Concept (Percent) For Period himx:TaxRateEffectResultingFromSettingAsideLegalReserveFromPriorYearsIncome
1361 Increase in tax credits Concept (Percent) For Period himx:TaxRateEffectResultingFromIncreaseInTaxCredits
1362 Effect of change of unrecognized deductible temporary differences, tax losses carryforwards, and investment tax credits Concept (Percent) For Period himx:TaxRateEffectResultingFromChangeInUnrecognizedDeductibleTemporaryDifferencesTaxLossCarryForwardsAndInvestmentTaxCredits
1363 Net of non-taxable income and non-deductible expense Concept (Percent) For Period ifrs-full:TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1364 Capital gain Tax Concept (Percent) For Period himx:TaxRateEffectResultingFromCapitalGainTax
1365 Changes in unrecognized tax benefits related to prior year tax positions, net of its impact to tax-exempted income Concept (Percent) For Period ifrs-full:TaxRateEffectOfAdjustmentsForCurrentTaxOfPriorPeriods
1366 Foreign tax rate differential Concept (Percent) For Period ifrs-full:TaxRateEffectOfForeignTaxRates
1367 Variance from audits, amendments and examinations of prior years' income tax filings Concept (Percent) For Period himx:TaxRateEffectResultingFromVarianceFromAuditsAmendmentsAndExaminationOfPriorYearsIncomeTaxFilings
1368 Effect of tax rate changes Concept (Percent) For Period ifrs-full:TaxRateEffectFromChangeInTaxRate
1369 Others Concept (Percent) For Period ifrs-full:OtherTaxRateEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1370 Effective tax rate Concept (Percent) For Period ifrs-full:AverageEffectiveTaxRate
1371 Profit before income taxes Concept (Monetary) For Period Credit ifrs-full:AccountingProfit
1372 Income tax expense calculated at the statutory rate Concept (Monetary) For Period Debit ifrs-full:TaxExpenseIncomeAtApplicableTaxRate
1373 Tax on undistributed earnings Concept (Monetary) For Period Debit himx:TaxEffectOnUndistributedEarnings
1374 Tax-exempt income Concept (Monetary) For Period Credit ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011
1375 Tax benefit resulting from setting aside legal reserve from prior year's income Concept (Monetary) For Period Debit himx:TaxEffectResultingFromSettingAsideLegalReserveFromPriorYearsIncome
1376 Increase in tax credits Concept (Monetary) For Period Debit himx:TaxEffectResultingFromIncreaseInTaxCredits
1377 Effect of change of unrecognized deductible temporary differences, tax losses carryforwards, and investment tax credits Concept (Monetary) For Period Debit himx:TaxEffectResultingFromChangeInUnrecognizedDeductibleTemporaryDifferencesTaxLossCarryforwardsAndInvestmentTaxCredits
1378 Net of non-taxable income and non-deductible expense Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1379 Capital gain Tax Concept (Monetary) For Period Debit himx:TaxEffectResultingFromCapitalGainTax
1380 Changes in unrecognized tax benefits related to prior year tax positions, net of its impact to tax-exempted income Concept (Monetary) For Period Debit himx:TaxEffectResultingFromChangeInUnrecognizedTaxBenefitsRelatedToPriorYearTaxPositionsNetOfTaxExemptedIncomeImpact
1381 Foreign tax rate differential Concept (Monetary) For Period Debit ifrs-full:TaxEffectOfForeignTaxRates
1382 Variance from audits, amendments and examinations of prior years' income tax filings Concept (Monetary) For Period Debit himx:TaxEffectResultingFromVarianceFromAuditsAmendmentsAndExaminationOfPriorYearsIncomeTaxFilings
1383 Effect of tax rate changes Concept (Monetary) For Period Debit ifrs-full:TaxEffectFromChangeInTaxRate
1384 Others Concept (Monetary) For Period Debit ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome
1385 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1386 1123 - Disclosure - Income Taxes (Details 3) Network

*

*

 http://www.himax.com.tw/role/IncomeTaxesDetails3
1387 Statement [Table] Table

*

*

 us-gaap:StatementTable
1388 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1389 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1390 Statement [Line Items] LineItems us-gaap:StatementLineItems
1391 Deferred tax assets: Abstract himx:DeferredTaxAssetsAbstract
1392 Inventory Concept (Monetary) As Of Debit himx:DeferredTaxAssetsRelatedToInventory
1393 Tax credit carryforwards Concept (Monetary) As Of Debit himx:DeferredTaxAssetsRelatedToTaxCreditCarryforwards
1394 Allowance for sales discounts Concept (Monetary) As Of Debit himx:DeferredTaxAssetsRelatedToAllowanceForSalesReturnsAndDiscounts
1395 Operating loss carryforward-statutory tax Concept (Monetary) As Of Debit himx:DeferredTaxAssetsRelatedToOperatingLossCarryforward
1396 Accrued compensated absences Concept (Monetary) As Of Debit himx:DeferredTaxAssetsRelatedToAccruedCompensatedAbsences
1397 Depreciation Concept (Monetary) As Of Debit himx:DeferredTaxAssetsRelatedToDepreciation
1398 Unrealized foreign exchange loss Concept (Monetary) As Of Debit himx:DeferredTaxAssetsRelatedToUnrealizedForeignExchangeLoss
1399 Remeasurement of defined benefit plans Concept (Monetary) As Of Debit himx:DeferredTaxAssetsRelatedToRemeasurementOfDefinedBenefitPlans
1400 Others Concept (Monetary) As Of Debit himx:DeferredTaxAssetsRelatedToOthers
1401 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1402 Deferred tax liabilities: Abstract himx:DeferredTaxLiabilitiessAbstract
1403 Unrealized foreign exchange gain Concept (Monetary) As Of Credit himx:DeferredTaxLiabilitiesRelatedToUnrealizedForeignExchangeLoss
1404 Acquired intangible assets Concept (Monetary) As Of Credit himx:DeferredTaxLiabilitiesRelatedToAcquiredIntangibleAssets
1405 Remeasurement of defined benefit plans Concept (Monetary) As Of Credit himx:DeferredTaxLiabilitiesRelatedToRemeasurementOfDefinedBenefitPlans
1406 Others Concept (Monetary) As Of Credit himx:DeferredTaxLiabilitiesRelatedToOthers
1407 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1408 1124 - Disclosure - Income Taxes (Details 4) Network

*

*

 http://www.himax.com.tw/role/IncomeTaxesDetails4
1409 Statement [Table] Table

*

*

 us-gaap:StatementTable
1410 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1411 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1412 Inventory [Member] Member himx:InventoryMember
1413 Tax credit carryforwards [member] Member ifrs-full:UnusedTaxCreditsMember
1414 Allowance for sales discounts [member] Member ifrs-full:AllowanceForCreditLossesMember
1415 Accrued compensated absences [Member] Member himx:AccruedCompensatedAbsencesMember
1416 Depreciation [Member] Member himx:DepreciationMember
1417 Unrealized foreign exchange loss (gain) [member] Member ifrs-full:UnrealisedForeignExchangeGainsLossesMember
1418 Remeasurement of defined benefit plans [Member] Member himx:RemeasurementOfDefinedBenefitPlansMember
1419 Acquired intangible assets [Member] Member himx:AcquiredIntangibleAssetsMember
1420 Others [member] Member ifrs-full:OtherTemporaryDifferencesMember
1421 Operating loss carryforward [member] Member himx:OperatingLossCarryforwardMember
1422 Statement [Line Items] LineItems us-gaap:StatementLineItems
1423 Beginning balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1424 Recognized in profit or loss Concept (Monetary) For Period ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss
1425 Recognized in other comprehensive income Concept (Monetary) For Period ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome
1426 Beginning balance Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilityAsset
1427 1125 - Disclosure - Income Taxes (Details 5) Network

*

*

 http://www.himax.com.tw/role/IncomeTaxesDetails5
1428 Statement [Table] Table

*

*

 us-gaap:StatementTable
1429 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1430 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1431 Unused tax credits [member] Member ifrs-full:UnusedTaxCreditsMember
1432 Unused operating loss carryforwards-statutory tax [Member] Member himx:OperatingLossCarryforwardStatutoryTaxMember
1433 Unused operating loss carryforwards-undistributed earnings tax [Member] Member himx:UndistributedEarningsTaxMember
1434 Others [member] Member ifrs-full:OtherTemporaryDifferencesMember
1435 Total [Member] Member himx:TotalMember
1436 Statement [Line Items] LineItems us-gaap:StatementLineItems
1437 Deductible temporary differences for which no deferred tax asset is recognised Concept (Monetary) As Of ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
1438 1126 - Disclosure - Income Taxes (Details 6) Network

*

*

 http://www.himax.com.tw/role/IncomeTaxesDetails6
1439 Statement [Table] Table

*

*

 us-gaap:StatementTable
1440 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1441 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1442 Taiwan operations [Member] Member himx:TaiwanMember
1443 Hong Kong operations [Member] Member himx:HongKongMember
1444 US operations [Member] Member himx:USMember
1445 Israel operations [Member] Member himx:IsraelMember
1446 Others [Member] Member himx:OthersMember
1447 Maturity [axis] Axis ifrs-full:MaturityAxis
1448 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1449 Expiration year 2019~2023 [Member] Member himx:ExpirationYear2019To2023Member
1450 Expiration year 2024~2028 [Member] Member himx:ExpirationYear2020To2024Member
1451 Statement [Line Items] LineItems us-gaap:StatementLineItems
1452 Deductible amount Concept (Monetary) As Of ifrs-full:DeductibleTemporaryDifferencesForWhichNoDeferredTaxAssetIsRecognised
1453 Unrecognized deferred tax assets Concept (Monetary) As Of ifrs-full:UnusedTaxLossesForWhichNoDeferredTaxAssetRecognised
1454 Expiration year Concept (Text/String) For Period ifrs-full:DescriptionOfExpiryDateOfTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCredits
1455 1127 - Disclosure - Income Taxes (Details Textual) Network

*

*

 http://www.himax.com.tw/role/IncomeTaxesDetailsTextual
1456 Statement [Table] Table

*

*

 us-gaap:StatementTable
1457 Range [axis] Axis ifrs-full:RangeAxis
1458 Ranges [member] Member ifrs-full:RangesMember
1459 Bottom of range [member] Member ifrs-full:BottomOfRangeMember
1460 Top of range [member] Member ifrs-full:TopOfRangeMember
1461 Temporary difference, unused tax losses and unused tax credits [axis] Axis ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis
1462 Temporary difference, unused tax losses and unused tax credits [member] Member ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember
1463 Unused tax credits [member] Member ifrs-full:UnusedTaxCreditsMember
1464 Statement [Line Items] LineItems us-gaap:StatementLineItems
1465 Income tax expense calculated at the statutory rate Concept (Percent) For Period ifrs-full:ApplicableTaxRate
1466 Unused tax credits for which no deferred tax asset recognised Concept (Monetary) As Of ifrs-full:UnusedTaxCreditsForWhichNoDeferredTaxAssetRecognised
1467 Description of expiry date of deductible temporary differences, unused tax losses and unused tax credits Concept (Text/String) For Period ifrs-full:DescriptionOfExpiryDateOfTemporaryDifferencesUnusedTaxLossesAndUnusedTaxCredits
1468 Percentage Of Additional Corporate Income Tax Rate On Undistributed Income Concept (Percent) For Period himx:PercentageOfAdditionalCorporateIncomeTaxRateOnUndistributedIncome
1469 Undistributed Earning of Foreign Subsidiaries Concept (Monetary) As Of Credit himx:UndistributedEarningOfForeignSubsidiaries
1470 Tax rate effect of expense not deductible in determining taxable profit (tax loss) Concept (Percent) For Period ifrs-full:TaxRateEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss
1471 1128 - Disclosure - Financial Instruments (Details) Network

*

*

 http://www.himax.com.tw/role/FinancialInstrumentsDetails
1472 Statement [Table] Table

*

*

 us-gaap:StatementTable
1473 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1474 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1475 Classes of financial assets [axis] Axis ifrs-full:ClassesOfFinancialAssetsAxis
1476 Financial assets, class [member] Member ifrs-full:FinancialAssetsMember
1477 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1478 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1479 Financial assets at fair value through profit or loss, category [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1480 Financial assets at amortised cost, category [member] Member ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember
1481 Financial assets at fair value through other comprehensive income, category [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1482 Statement [Line Items] LineItems us-gaap:StatementLineItems
1483 Financial assets measured at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1484 Financial assets measured at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome
1485 Measured at amortized cost: Abstract himx:FinancialAssetsMeasuredAtAmortizedCostAbstract
1486 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1487 Financial asset at amortized cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
1488 Accounts receivable and other receivables (including related parties) Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherReceivables
1489 Restricted deposit (including current and noncurrent) Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
1490 Refundable deposits Concept (Monetary) As Of Debit himx:RefundableDeposit
1491 Subtotal Concept (Monetary) As Of Debit himx:FinancialAssetsAtAmortizedCostNotIncludedProfitOrLossAndOtherComprehensiveIncome
1492 Total Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1493 1129 - Disclosure - Financial Instruments (Details 1) Network

*

*

 http://www.himax.com.tw/role/FinancialInstrumentsDetails1
1494 Statement [Table] Table

*

*

 us-gaap:StatementTable
1495 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1496 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1497 Statement [Line Items] LineItems us-gaap:StatementLineItems
1498 Measured at amortized cost: Abstract ifrs-full:CategoriesOfFinancialLiabilitiesAbstract
1499 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1500 Financial liability at amortized cost Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtAmortisedCost
1501 Accounts payables and other payables (including related party) Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherPayables
1502 Guarantee deposits Concept (Monetary) As Of Credit himx:GuaranteeDeposits
1503 Total Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilities
1504 1130 - Disclosure - Financial Instruments (Details 2) Network

*

*

 http://www.himax.com.tw/role/FinancialInstrumentsDetails2
1505 Statement [Table] Table

*

*

 us-gaap:StatementTable
1506 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1507 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1508 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1509 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1510 Contractual Cash Flows [Member] Member himx:ContractualCashFlowsMember
1511 Maturity [axis] Axis ifrs-full:MaturityAxis
1512 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1513 Not later than Six months [Member] Member himx:NotLaterThanSixMonthsMember
1514 Later than six months and not later than one year [member] Member ifrs-full:LaterThanSixMonthsAndNotLaterThanOneYearMember
1515 Later than one year and not later than two years [member] Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1516 Later than two years and not later than five years [member] Member ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember
1517 Later than five years [member] Member ifrs-full:LaterThanFiveYearsMember
1518 Statement [Line Items] LineItems us-gaap:StatementLineItems
1519 Non derivative financial Liabilities [Abstract] Abstract himx:NonDerivativeFinancialLiabilitiesAbstract
1520 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1521 Financial liability at amortized cost Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtAmortisedCost
1522 Guarantee deposits Concept (Monetary) As Of Credit himx:GuaranteeDeposits
1523 Non-derivative financial liabilities, undiscounted cash flows Concept (Monetary) As Of Credit ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows
1524 1131 - Disclosure - Financial Instruments (Details 3) Network

*

*

 http://www.himax.com.tw/role/FinancialInstrumentsDetails3
1525 Statement [Table] Table

*

*

 us-gaap:StatementTable
1526 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1527 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1528 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1529 Risks [member] Member ifrs-full:TypesOfRisksMember
1530 NTD [Member] Member himx:NTDMember
1531 CNY [Member] Member himx:CNYMember
1532 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1533 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1534 Financial assets [Member] Member himx:FinancialAssetMember
1535 Categories of financial liabilities [axis] Axis ifrs-full:CategoriesOfFinancialLiabilitiesAxis
1536 Financial liabilities, category [member] Member ifrs-full:FinancialLiabilitiesCategoryMember
1537 Financial liabilities [Member] Member himx:FianancialLiabilitieMember
1538 Statement [Line Items] LineItems us-gaap:StatementLineItems
1539 Foreign currency Concept (Monetary) For Period Credit ifrs-full:NetForeignExchangeGain
1540 Exchange rate Concept (Decimal) For Period ifrs-full:AverageForeignExchangeRate
1541 Functional currency Concept (Monetary) For Period Credit himx:FunctionalCurrency
1542 1132 - Disclosure - Financial Instruments (Details 4) Network

*

*

 http://www.himax.com.tw/role/FinancialInstrumentsDetails4
1543 Statement [Table] Table

*

*

 us-gaap:StatementTable
1544 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1545 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1546 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1547 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1548 Level 1 [Member] Member ifrs-full:Level1OfFairValueHierarchyMember
1549 Level 2 [Member] Member ifrs-full:Level2OfFairValueHierarchyMember
1550 Level 3 [Member] Member ifrs-full:Level3OfFairValueHierarchyMember
1551 Classes of assets [axis] Axis ifrs-full:ClassesOfAssetsAxis
1552 Assets [member] Member ifrs-full:ClassesOfAssetsMember
1553 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1554 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1555 Statement [Line Items] LineItems us-gaap:StatementLineItems
1556 Financial assets measured at fair value through profit or loss Abstract ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossAbstract
1557 Money market fund Concept (Monetary) As Of Credit himx:MoneyMarketFundInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
1558 Equity securities-unlisted company Concept (Monetary) As Of Credit himx:EquityUnlistedSecuritiesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
1559 Subtotal Concept (Monetary) As Of Credit ifrs-full:AccumulatedChangesInFairValueOfFinancialLiabilityAttributableToChangesInCreditRiskOfLiability
1560 Financial assets measured at fair value through other comprehensive income Abstract ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract
1561 Equity securities-unlisted company Concept (Monetary) As Of Debit ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome
1562 Total Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome
1563 1133 - Disclosure - Financial Instruments (Details 5) Network

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*

 http://www.himax.com.tw/role/FinancialInstrumentsDetails5
1564 Statement [Table] Table

*

*

 us-gaap:StatementTable
1565 Categories of financial assets [axis] Axis ifrs-full:CategoriesOfFinancialAssetsAxis
1566 Financial assets, category [member] Member ifrs-full:FinancialAssetsCategoryMember
1567 Financial assets at fair value through profit or loss [member] Member ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember
1568 Financial assets at fair value through other comprehensive income [member] Member ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember
1569 Levels of fair value hierarchy [axis] Axis ifrs-full:LevelsOfFairValueHierarchyAxis
1570 All levels of fair value hierarchy [member] Member ifrs-full:AllLevelsOfFairValueHierarchyMember
1571 Level 3 [member] Member ifrs-full:Level3OfFairValueHierarchyMember
1572 Statement [Line Items] LineItems us-gaap:StatementLineItems
1573 Beginning balance Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1574 Disposal-capital reduction of investment Concept (Monetary) For Period Credit ifrs-full:DecreaseThroughDerecognitionFinancialAssets
1575 Reclassified from equity method investments Concept (Monetary) For Period Credit himx:ReclassifiedFromEquityMethodInvestments
1576 Recognized in other comprehensive income Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeBeforeTax
1577 Recognized in profit or loss Concept (Monetary) For Period Debit ifrs-full:ReclassificationIntoFinancialAssetsAtFairValueThroughProfitOrLoss
1578 Ending balance Concept (Monetary) As Of Debit ifrs-full:FinancialAssets
1579 1134 - Disclosure - Financial Instruments (Details Textual) Network

*

*

 http://www.himax.com.tw/role/FinancialInstrumentsDetailsTextual
1580 Statement [Table] Table

*

*

 us-gaap:StatementTable
1581 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1582 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1583 Types of interest rates [axis] Axis ifrs-full:TypesOfInterestRatesAxis
1584 Interest rate types [member] Member ifrs-full:InterestRateTypesMember
1585 Floating interest rate [member] Member ifrs-full:FloatingInterestRateMember
1586 Types of risks [axis] Axis ifrs-full:TypesOfRisksAxis
1587 Risks [member] Member ifrs-full:TypesOfRisksMember
1588 Liquidity risk [member] Member ifrs-full:LiquidityRiskMember
1589 Statement [Line Items] LineItems us-gaap:StatementLineItems
1590 Increase (decrease) through foreign exchange, financial assets Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseThroughForeignExchangeFinancialAssets
1591 Borrowings, adjustment to interest rate basis Concept (Percent) As Of ifrs-full:BorrowingsAdjustmentToInterestRateBasis
1592 Increase or decrease net profit through interest rate Concept (Monetary) For Period Credit himx:IncreaseDecreaseNetProfitThroughInterestRate
1593 Interest rate, significant unobservable inputs, assets Concept (Percent) For Period ifrs-full:InterestRateSignificantUnobservableInputsAssets
1594 1135 - Disclosure - Financial Risk Management (Details) Network

*

*

 http://www.himax.com.tw/role/FinancialRiskManagementDetails
1595 Statement [Table] Table

*

*

 us-gaap:StatementTable
1596 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1597 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1598 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
1599 Customers [member] Member ifrs-full:MajorCustomersMember
1600 Customer A And Its Affiliates [Member] Member himx:CustomerAAndItsAffiliatesMember
1601 Customer B And Its Affiliates [Member] Member himx:CustomerBAndItsAffiliatesMember
1602 Statement [Line Items] LineItems us-gaap:StatementLineItems
1603 Percentage of entity's revenue Concept (Percent) For Period ifrs-full:PercentageOfEntitysRevenue
1604 1136 - Disclosure - Financial Risk Management (Details 1) Network

*

*

 http://www.himax.com.tw/role/FinancialRiskManagementDetails1
1605 Statement [Table] Table

*

*

 us-gaap:StatementTable
1606 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1607 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1608 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
1609 Customers [member] Member ifrs-full:MajorCustomersMember
1610 Customer A And Its Affiliates [Member] Member himx:CustomerAAndItsAffiliatesMember
1611 Customer B And Its Affiliates [Member] Member himx:CustomerBAndItsAffiliatesMember
1612 Statement [Line Items] LineItems us-gaap:StatementLineItems
1613 Percentage Of Accounts Receivable Concept (Percent) As Of himx:PercentageOfAccountsReceivables
1614 1137 - Disclosure - Capital management (Details) Network

*

*

 http://www.himax.com.tw/role/CapitalManagementDetails
1615 Statement [Table] Table

*

*

 us-gaap:StatementTable
1616 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1617 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1618 Statement [Line Items] LineItems us-gaap:StatementLineItems
1619 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1620 Less: cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1621 Total liabilities less current assets Concept (Monetary) As Of Debit ifrs-full:AssetsLessCurrentLiabilities
1622 Equity attributable to owners of Himax Technologies, Inc. Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1623 1138 - Disclosure - Related-party Transactions (Details) Network

*

*

 http://www.himax.com.tw/role/RelatedPartyTransactionsDetails
1624 Statement [Table] Table

*

*

 us-gaap:StatementTable
1625 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1626 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1627 VST [Member] Member himx:VSTMember
1628 Emza [Member] Member himx:EmzaMember
1629 Statement [Line Items] LineItems us-gaap:StatementLineItems
1630 Current receivables due from related parties Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
1631 1139 - Disclosure - Related-party Transactions (Details 1) Network

*

*

 http://www.himax.com.tw/role/RelatedPartyTransactionsDetails1
1632 Implied Table Table

*

*

 implied:Table
1633 Related party transactions [abstract] Abstract ifrs-full:RelatedPartyTransactionsAbstract
1634 Short-term employee benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits
1635 Post-employment benefits Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits
1636 Share-based compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensationSharebasedPayment
1637 Total Key management personnel compensation Concept (Monetary) For Period Debit ifrs-full:KeyManagementPersonnelCompensation
1638 1140 - Disclosure - Related-party Transactions (Details Textual) Network

*

*

 http://www.himax.com.tw/role/RelatedPartyTransactionsDetailsTextual
1639 Statement [Table] Table

*

*

 us-gaap:StatementTable
1640 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1641 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1642 Categories of Items Purchase [Axis] Axis himx:CategoriesOfItemsPurchaseAxis
1643 Categories of Items Purchase [Member] Member himx:CategoriesOfItemsPurchaseMember
1644 Research and Development [Member] Member himx:ResearchAndDevelopmentMember
1645 Categories of related parties [axis] Axis ifrs-full:CategoriesOfRelatedPartiesAxis
1646 Entity's total for related parties [member] Member ifrs-full:EntitysTotalForRelatedPartiesMember
1647 VST [Member] Member himx:VSTMember
1648 Statement [Line Items] LineItems us-gaap:StatementLineItems
1649 Purchases of goods, related party transactions Concept (Monetary) For Period Debit ifrs-full:PurchasesOfGoodsRelatedPartyTransactions
1650 Research and development Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
1651 Current payables to related parties Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToRelatedParties
1652 Key management Personnel Compensation Director Concept (Monetary) For Period Debit himx:KeyManagementPersonnelCompensationDirector
1653 1141 - Disclosure - Pledged assets (Details) Network

*

*

 http://www.himax.com.tw/role/PledgedAssetsDetails
1654 Implied Table Table

*

*

 implied:Table
1655 Pledged Assets [Abstract] Abstract himx:PledgedAssetsAbstract
1656 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:SecuredBankLoansReceived
1657 For government grants Concept (Monetary) As Of Credit ifrs-full:GovernmentGrants
1658 For customs duties and government grants Concept (Monetary) As Of Debit ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
1659 Restricted cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
1660 1142 - Disclosure - Commitments and Contingencies (Details) Network

*

*

 http://www.himax.com.tw/role/CommitmentsAndContingenciesDetails
1661 Statement [Table] Table

*

*

 us-gaap:StatementTable
1662 Maturity [axis] Axis ifrs-full:MaturityAxis
1663 Aggregated time bands [member] Member ifrs-full:AggregatedTimeBandsMember
1664 January 1, 2019~December 31, 2019 Member ifrs-full:NotLaterThanOneYearMember
1665 January 1, 2020~December 31, 2020 Member ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember
1666 January 1, 2021~December 31, 2021 Member ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember
1667 January 1, 2022~December 31, 2022 Member ifrs-full:LaterThanThreeYearsAndNotLaterThanFourYearsMember
1668 January 1, 2023~December 31, 2023 Member ifrs-full:LaterThanFourYearsAndNotLaterThanFiveYearsMember
1669 January 1, 2024~December 31, 2024 Member ifrs-full:LaterThanFiveYearsMember
1670 Statement [Line Items] LineItems us-gaap:StatementLineItems
1671 Operating Leases, Future Minimum Payments Due Concept (Monetary) As Of Credit ifrs-full:MinimumLeasePaymentsPayableUnderNoncancellableOperatingLease
1672 1143 - Disclosure - Commitments and Contingencies (Details Textual) Network

*

*

 http://www.himax.com.tw/role/CommitmentsAndContingenciesDetailsTextual
1673 Implied Table Table

*

*

 implied:Table
1674 Commitments and Contingencies [Abstract] Abstract himx:CommitmentsAndContingenciesAbstract
1675 Long-term contracts, contract price Concept (Monetary) For Period Debit himx:LongTermContractsContractPrice
1676 Long-term contracts, commitments amount Concept (Monetary) For Period Credit himx:LongTermContractsCommitmentsAmount
1677 Letter of credit Concept (Monetary) For Period Credit himx:LetterOfCredit
1678 Security deposit Concept (Monetary) As Of Credit ifrs-full:DepositsFromCustomers
1679 Operating leases, rent expense, net Concept (Monetary) For Period Debit ifrs-full:RentalExpense
1680 Contractual obligation Concept (Monetary) As Of Credit ifrs-full:TransactionPriceAllocatedToRemainingPerformanceObligations
1681 Lease expiration period Concept (Text/String) For Period himx:LeaseExpirationPeriod
1682 1144 - Disclosure - Segment, Product and Geographic Information (Details) Network

*

*

 http://www.himax.com.tw/role/SegmentProductAndGeographicInformationDetails
1683 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1684 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
1685 Products and services [member] Member ifrs-full:ProductsAndServicesMember
1686 Driver IC [Member] Member himx:DriverICMember
1687 Non-driver products [Member] Member himx:NonDriverICMember
1688 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1689 Segment revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1690 Segment operating income (loss) Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
1691 Non operating income, net Concept (Monetary) For Period Credit ifrs-full:OtherOperatingIncomeExpense
1692 Consolidated profits before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1693 Significant noncash items: Abstract himx:SignificantNoncashItemAbstract
1694 Share Based Compensation Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForSharebasedPayments
1695 Depreciation and amortization Concept (Monetary) For Period Debit ifrs-full:DepreciationAndAmortisationExpense
1696 1145 - Disclosure - Segment, Product and Geographic Information (Details 1) Network

*

*

 http://www.himax.com.tw/role/SegmentProductAndGeographicInformationDetails1
1697 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1698 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
1699 Products and services [member] Member ifrs-full:ProductsAndServicesMember
1700 Driver IC [Member] Member himx:DriverICMember
1701 Non-driver products [Member] Member himx:NonDriverICMember
1702 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1703 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1704 China [Member] Member himx:ChinaMember
1705 Taiwan [Member] Member himx:TaiwanMember
1706 Other Asia Pacific (Philippines, Korea and Japan) Member himx:OtherAsiaPacificMember
1707 Europe and America [Member] Member himx:EuropeAndAmericaMember
1708 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1709 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1710 1146 - Disclosure - Segment, Product and Geographic Information (Details 2) Network

*

*

 http://www.himax.com.tw/role/SegmentProductAndGeographicInformationDetails2
1711 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1712 Products and services [axis] Axis ifrs-full:ProductsAndServicesAxis
1713 Products and services [member] Member ifrs-full:ProductsAndServicesMember
1714 Driver IC [Member] Member himx:DriverICMember
1715 Non Driver IC [Member] Member himx:NonDriverICMember
1716 Applications [Axis] Axis himx:ApplicationsAxis
1717 Applications [Domain] Member himx:ApplicationsDomain
1718 Large-size application [Member] Member himx:LargeSizeApplicationsMember
1719 Mobile Handsets Applications [Member] Member himx:MobileHandsetsApplicationsMember
1720 Consumer Electronics Applications [Member] Member himx:ConsumerElectronicsApplicationsMember
1721 Non-driver products [Member] Member himx:NonDriverProductsMember
1722 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1723 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1724 1147 - Disclosure - Segment, Product and Geographic Information (Details 3) Network

*

*

 http://www.himax.com.tw/role/SegmentProductAndGeographicInformationDetails3
1725 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1726 Geographical areas [axis] Axis ifrs-full:GeographicalAreasAxis
1727 Geographical areas [member] Member ifrs-full:GeographicalAreasMember
1728 Taiwan [Member] Member himx:TaiwanMember
1729 U.S. [Member] Member himx:USMember
1730 China [Member] Member himx:ChinaMember
1731 Korea [Member] Member himx:KoreaMember
1732 Israel [Member] Member himx:IsraelMember
1733 Japan [Member] Member himx:JapanMember
1734 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1735 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1736 1148 - Disclosure - Segment, Product and Geographic Information (Details 4) Network

*

*

 http://www.himax.com.tw/role/SegmentProductAndGeographicInformationDetails4
1737 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1738 Segments [axis] Axis ifrs-full:SegmentsAxis
1739 Segments [member] Member ifrs-full:SegmentsMember
1740 Driver IC Segment [Member] Member himx:DriverIcSegmentMember
1741 Non-driver Products Segment [Member] Member himx:NonDriverSegmentMember
1742 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
1743 Customers [member] Member ifrs-full:MajorCustomersMember
1744 Customer A and Its Affiliates [Member] Member himx:CustomerAAndItsAffiliatesMember
1745 Customer B and Its Affiliates [Member] Member himx:CustomerBAndItsAffiliatesMember
1746 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1747 Revenue Concept (Monetary) For Period Credit ifrs-full:Revenue
1748 1149 - Disclosure - Segment, Product and Geographic Information (Details 5) Network

*

*

 http://www.himax.com.tw/role/SegmentProductAndGeographicInformationDetails5
1749 Disclosure of operating segments [table] Table

*

*

 ifrs-full:DisclosureOfOperatingSegmentsTable
1750 Major customers [axis] Axis ifrs-full:MajorCustomersAxis
1751 Customers [member] Member ifrs-full:MajorCustomersMember
1752 Customer A And Its Affiliates [Member] Member himx:CustomerAAndItsAffiliatesMember
1753 Customer B And Its Affiliates [Member] Member himx:CustomerBAndItsAffiliatesMember
1754 Disclosure of operating segments [line items] LineItems ifrs-full:DisclosureOfOperatingSegmentsLineItems
1755 Accounts receivable Concept (Monetary) As Of Debit ifrs-full:TradeReceivables
1756 1150 - Disclosure - The Nature of Expenses (Details) Network

*

*

 http://www.himax.com.tw/role/TheNatureOfExpensesDetails
1757 Statement [Table] Table

*

*

 us-gaap:StatementTable
1758 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1759 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1760 Income statement [Axis] Axis himx:IncomeStatementAxis
1761 Income statement [Domain] Member himx:IncomeStatementDomain
1762 Cost of Revenues [Member] Member himx:CostOfRevenueMember
1763 Operating Expenses [Member] Member himx:OperatingExpensesMember
1764 Statement [Line Items] LineItems us-gaap:StatementLineItems
1765 Depreciation, property, plant and equipment Concept (Monetary) For Period ifrs-full:DepreciationPropertyPlantAndEquipment
1766 1151 - Disclosure - The Nature of Expenses (Details 1) Network

*

*

 http://www.himax.com.tw/role/TheNatureOfExpensesDetails1
1767 Statement [Table] Table

*

*

 us-gaap:StatementTable
1768 Income statement [Axis] Axis himx:IncomeStatementAxis
1769 Income statement [Domain] Member himx:IncomeStatementDomain
1770 Cost of Revenues [Member] Member himx:CostOfRevenueMember
1771 Operating Expenses [Member] Member himx:OperatingExpensesMember
1772 Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis] Axis ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis
1773 Carrying amount [member] Member ifrs-full:CarryingAmountMember
1774 Statement [Line Items] LineItems us-gaap:StatementLineItems
1775 Amortisation, intangible assets other than goodwill Concept (Monetary) For Period ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill
1776 1152 - Disclosure - The Nature of Expenses (Details 2) Network

*

*

 http://www.himax.com.tw/role/TheNatureOfExpensesDetails2
1777 Statement [Table] Table

*

*

 us-gaap:StatementTable
1778 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1779 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1780 Statement [Line Items] LineItems us-gaap:StatementLineItems
1781 Salary Concept (Monetary) For Period Debit ifrs-full:WagesAndSalaries
1782 Labor and health insurance Concept (Monetary) For Period Debit himx:LaborAndHealthInsuranceExpense
1783 Pension Concept (Monetary) For Period Debit ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans
1784 Others Concept (Monetary) For Period Debit ifrs-full:OtherEmployeeExpense
1785 Employee benefits expense Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1786 1153 - Disclosure - The Nature of Expenses (Details 3) Network

*

*

 http://www.himax.com.tw/role/TheNatureOfExpensesDetails3
1787 Statement [Table] Table

*

*

 us-gaap:StatementTable
1788 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1789 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1790 Income statement [Axis] Axis himx:IncomeStatementAxis
1791 Income statement [Domain] Member himx:IncomeStatementDomain
1792 Cost of Revenues [Member] Member himx:CostOfRevenueMember
1793 Operating Expenses [Member] Member himx:OperatingExpensesMember
1794 Statement [Line Items] LineItems us-gaap:StatementLineItems
1795 Employee benefits expense Concept (Monetary) For Period Debit ifrs-full:EmployeeBenefitsExpense
1796 1154 - Disclosure - Himax Technologies, Inc. (the Parent Company only) (Details) Network

*

*

 http://www.himax.com.tw/role/HimaxTechnologiesIncTheParentCompanyOnlyDetails
1797 Statement [Table] Table

*

*

 us-gaap:StatementTable
1798 Consolidated Category Of Entity [Axis] Axis himx:ConsolidatedCategoryOfEntityAxis
1799 Consolidated Category Of Entity [Domain] Member himx:ConsolidatedCategoryOfEntityDomain
1800 Parent Company [member] Member himx:ParentCompaniesMember
1801 Statement [Line Items] LineItems us-gaap:StatementLineItems
1802 Cash Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1803 Financial asset at amortized cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
1804 Other receivable from related party Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
1805 Other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
1806 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1807 Investments in subsidiaries and affiliates Concept (Monetary) As Of Debit ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates
1808 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
1809 Current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1810 Short-term borrowings Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1811 Debt borrowing from a subsidiary Concept (Monetary) As Of Debit himx:DebtBorrowingsFromSubsidiary
1812 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
1813 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
1814 1155 - Disclosure - Himax Technologies, Inc. (the Parent Company only) (Details 1) Network

*

*

 http://www.himax.com.tw/role/HimaxTechnologiesIncTheParentCompanyOnlyDetails1
1815 Statement [Table] Table

*

*

 us-gaap:StatementTable
1816 Consolidated Category Of Entity [Axis] Axis himx:ConsolidatedCategoryOfEntityAxis
1817 Consolidated Category Of Entity [Domain] Member himx:ConsolidatedCategoryOfEntityDomain
1818 Parent Company [member] Member himx:ParentCompaniesMember
1819 Statement [Line Items] LineItems us-gaap:StatementLineItems
1820 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1821 Costs and expenses Concept (Monetary) For Period Debit himx:TotalCostAndExpenses
1822 Operating Income (loss) Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
1823 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
1824 Changes in fair value of financial assets at fair value through profit or loss Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFairValueGainsLosses
1825 Foreign currency exchange losses, net Concept (Monetary) For Period Debit himx:ForeignCurrencyExchangeLossesnet
1826 Finance costs Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1827 Share of profits of subsidiaries and affiliates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
1828 Profit before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1829 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1830 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1831 1156 - Disclosure - Himax Technologies, Inc. (the Parent Company only) (Details 2) Network

*

*

 http://www.himax.com.tw/role/HimaxTechnologiesIncTheParentCompanyOnlyDetails2
1832 Statement [Table] Table

*

*

 us-gaap:StatementTable
1833 Consolidated Category Of Entity [Axis] Axis himx:ConsolidatedCategoryOfEntityAxis
1834 Consolidated Category Of Entity [Domain] Member himx:ConsolidatedCategoryOfEntityDomain
1835 Parent Company [member] Member himx:ParentCompaniesMember
1836 Statement [Line Items] LineItems us-gaap:StatementLineItems
1837 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1838 Other comprehensive income: Abstract ifrs-full:OtherComprehensiveIncomeAbstract
1839 Items that will not be reclassified to profit or loss: Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax
1840 Remeasurements of defined benefit pension plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
1841 Unrealized loss on financial assets at fair value through other comprehensive income Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnChangeInValueOfForeignCurrencyBasisSpreadsBeforeTax
1842 Income tax related to items that will not be reclassified subsequently Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
1843 Items that may be reclassified subsequently to profit or loss: Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax
1844 Unrealized gains on financial assets at fair value through profit or loss Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
1845 Foreign operations - foreign currency translation differences Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInValueOfForeignCurrencyBasisSpreadsBeforeTax
1846 Income tax related to items that may be reclassified subsequently Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLoss
1847 Other comprehensive income for the year, net of tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncome
1848 Total comprehensive income for the year Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
1849 1157 - Disclosure - Himax Technologies, Inc. (the Parent Company only) (Details 3) Network

*

*

 http://www.himax.com.tw/role/HimaxTechnologiesIncTheParentCompanyOnlyDetails3
1850 Statement [Table] Table

*

*

 us-gaap:StatementTable
1851 Consolidated Category Of Entity [Axis] Axis himx:ConsolidatedCategoryOfEntityAxis
1852 Consolidated Category Of Entity [Domain] Member himx:ConsolidatedCategoryOfEntityDomain
1853 Parent Company [member] Member himx:ParentCompaniesMember
1854 Statement [Line Items] LineItems us-gaap:StatementLineItems
1855 Cash flows from operating activities: Abstract ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract
1856 Profit for the year Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1857 Adjustments for: Abstract ifrs-full:AdjustmentsForReconcileProfitLossAbstract
1858 Changes in fair value of financial assets at fair value through profit or loss Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFairValueGainsLosses
1859 Interest income Concept (Monetary) For Period Credit ifrs-full:InterestRevenueExpense
1860 Adjustments for finance costs Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForFinanceCosts
1861 Share of profits of subsidiaries and affiliates Concept (Monetary) For Period Credit ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod
1862 Foreign currency exchange losses of financial assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForUnrealisedForeignExchangeLossesGains
1863 Adjustments to reconcile profit (loss) Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForReconcileProfitLoss
1864 Changes in: Abstract himx:ChangesInOperatingCapitalAbstract
1865 Other current assets Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets
1866 Other current liabilities Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities
1867 Cash generated from operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperations
1868 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
1869 Interest paid Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
1870 Net cash used in operating activities Concept (Monetary) For Period ifrs-full:CashFlowsFromUsedInOperatingActivities
1871 Cash flows from investing activities: Abstract ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract
1872 Acquisitions of financial asset at amortized cost Concept (Monetary) For Period Credit himx:AcquisitionsOfFinancialAssetsAtAmortizedCost
1873 Acquisitions of equity method investment Concept (Monetary) For Period Credit himx:AcquisitionsOfEquityMethodInvestments
1874 Proceeds from disposals of equity method investment Concept (Monetary) For Period Debit ifrs-full:ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod
1875 Proceeds from capital reduction of investment Concept (Monetary) For Period Debit himx:ProceedsFromCapitalReductionOfInvestment
1876 Cash received from (paid for) loan made to related party Concept (Monetary) For Period Debit himx:RapaymentsFromLoanMadeToRelatedParties
1877 Net cash provided by (used in) investing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInInvestingActivities
1878 Cash flows from financing activities: Abstract ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract
1879 Payments of cash dividends Concept (Monetary) For Period Credit ifrs-full:DividendsPaidClassifiedAsFinancingActivities
1880 Proceeds from short-term borrowings Concept (Monetary) For Period Debit ifrs-full:ProceedsFromBorrowingsClassifiedAsFinancingActivities
1881 Repayment of short-term borrowings Concept (Monetary) For Period Credit ifrs-full:RepaymentsOfBorrowingsClassifiedAsFinancingActivities
1882 Proceeds from issue of RSUs from subsidiaries Concept (Monetary) For Period Debit ifrs-full:ProceedsFromIssuingOtherEquityInstruments
1883 Proceeds from debt from a subsidiary Concept (Monetary) For Period Debit himx:ProceedsFromDebtFromASubsidiary
1884 Repayment of debt from a subsidiary Concept (Monetary) For Period Debit himx:RepaymentOfDebtFromASubsidiary
1885 Net cash provided by (used in) financing activities Concept (Monetary) For Period Debit ifrs-full:CashFlowsFromUsedInFinancingActivities
1886 Net increase (decrease) in cash Concept (Monetary) For Period Debit ifrs-full:IncreaseDecreaseInCashAndCashEquivalents
1887 Cash and cash equivalents at beginning of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1888 Cash and cash equivalents at end of year Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1889 1158 - Disclosure - Explanation of transition to IFRS (Details) Network

*

*

 http://www.himax.com.tw/role/ExplanationOfTransitionToIfrsDetails
1890 Statement [Table] Table

*

*

 us-gaap:StatementTable
1891 Financial effect of transition from previous GAAP to IFRSs [axis] Axis ifrs-full:FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis
1892 IFRSs [member] Member ifrs-full:IFRSsMember
1893 Previous GAAP [member] Member ifrs-full:PreviousGAAPMember
1894 Effect of transition to IFRSs [member] Member ifrs-full:EffectOfTransitionToIFRSsMember
1895 Effect of transition [Axis] Axis himx:EffectOfTransitionAxis
1896 Effect of transition [Domain] Member himx:EffectOfTransitionDomain
1897 Recognition Difference [Member] Member himx:RecognitionDifferenceMember
1898 Presentation Difference [Member] Member himx:PresentationDifferenceMember
1899 Statement [Line Items] LineItems us-gaap:StatementLineItems
1900 Assets Abstract ifrs-full:AssetsAbstract
1901 Current assets: Abstract ifrs-full:CurrentAssetsAbstract
1902 Cash and cash equivalents Concept (Monetary) As Of Debit ifrs-full:CashAndCashEquivalents
1903 Investments in marketable securities available-for-sale Concept (Monetary) As Of Debit himx:InvestmentsInMarketableSecuritiesAvailableForSale
1904 Financial assets at amortized cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
1905 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
1906 Accounts receivable, less allowance for doubtful accounts, sales returns and discounts Concept (Monetary) As Of Debit ifrs-full:ReceivablesFromContractsWithCustomers
1907 Inventories Concept (Monetary) As Of Debit ifrs-full:Inventories
1908 Deferred tax assets Concept (Monetary) As Of Debit himx:CurrentDeferredTaxAssets
1909 Income taxes receivable Concept (Monetary) As Of Debit ifrs-full:CurrentTaxAssets
1910 Restricted cash, cash equivalents and marketable securities Concept (Monetary) As Of Debit ifrs-full:RestrictedCashAndCashEquivalents
1911 Other receivables from related parties Concept (Monetary) As Of Debit ifrs-full:TradeAndOtherCurrentReceivablesDueFromRelatedParties
1912 Prepaid expenses and other current assets Concept (Monetary) As Of Debit ifrs-full:OtherCurrentAssets
1913 Total current assets Concept (Monetary) As Of Debit ifrs-full:CurrentAssets
1914 Investment in non-marketable equity securities Concept (Monetary) As Of Debit himx:InvestmentsInNonMarketableSecuritiesAvailableForSale
1915 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss
1916 Financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
1917 Equity method investments Concept (Monetary) As Of Debit ifrs-full:InvestmentAccountedForUsingEquityMethod
1918 Property, plant and equipment, net Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
1919 Deferred tax assets Concept (Monetary) As Of Debit ifrs-full:DeferredTaxAssets
1920 Deferred tax assets Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilitiesNoncurrent
1921 Goodwill Concept (Monetary) As Of Debit ifrs-full:Goodwill
1922 Other intangible assets, net Concept (Monetary) As Of Debit ifrs-full:OtherIntangibleAssets
1923 Restricted marketable securities Concept (Monetary) As Of Debit ifrs-full:NoncurrentRestrictedCashAndCashEquivalents
1924 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
1925 Total non current assets Concept (Monetary) As Of Debit ifrs-full:NoncurrentAssets
1926 Total assets Concept (Monetary) As Of Debit ifrs-full:Assets
1927 Liabilities, Redeemable noncontrolling interest and Equity Abstract himx:LiabilitiesRedeemableNonControllingInterestAndEquityAbstract
1928 Current liabilities: Abstract ifrs-full:CurrentLiabilitiesAbstract
1929 Short-term debt Concept (Monetary) As Of Credit ifrs-full:ShorttermBorrowings
1930 Accounts payable Concept (Monetary) As Of Credit ifrs-full:TradeAndOtherCurrentPayablesToTradeSuppliers
1931 Accounts payable to related party Concept (Monetary) As Of Credit ifrs-full:AmountsPayableRelatedPartyTransactions
1932 Income taxes payable Concept (Monetary) As Of Credit ifrs-full:CurrentTaxLiabilities
1933 Deferred tax liabilities Concept (Monetary) As Of Credit himx:CurrentDeferredTaxLiabilities
1934 Other payable to related party Concept (Monetary) As Of Credit himx:OtherCurrentPayableToRelatedParty
1935 Other accrued expenses and other current liabilities Concept (Monetary) As Of Credit ifrs-full:OtherCurrentLiabilities
1936 Total current liabilities Concept (Monetary) As Of Credit ifrs-full:CurrentLiabilities
1937 Financial liability at amortized cost Concept (Monetary) As Of Credit ifrs-full:FinancialLiabilitiesAtAmortisedCost
1938 Income taxes payable Concept (Monetary) As Of Credit himx:NonCurrentTaxLiabilities
1939 Accrued pension liabilities Concept (Monetary) As Of Credit ifrs-full:RecognisedLiabilitiesDefinedBenefitPlan
1940 Deferred tax liabilities Concept (Monetary) As Of Credit ifrs-full:DeferredTaxLiabilities
1941 Other liabilities Concept (Monetary) As Of Credit ifrs-full:OtherNoncurrentLiabilities
1942 Total liabilities Concept (Monetary) As Of Credit ifrs-full:Liabilities
1943 Redeemable noncontrolling interest Concept (Monetary) As Of Credit himx:RedeemableNoncontrollingInterest
1944 Himax Technologies, Inc. stockholders' equity: Abstract ifrs-full:EquityAbstract
1945 Ordinary shares Concept (Monetary) As Of Credit himx:OrdinaryShares
1946 Additional paid-in capital Concept (Monetary) As Of Credit ifrs-full:AdditionalPaidinCapital
1947 Treasury shares Concept (Monetary) As Of Debit ifrs-full:TreasuryShares
1948 Accumulated other comprehensive gain Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
1949 Unappropriated retained earnings Concept (Monetary) As Of Credit ifrs-full:RetainedEarnings
1950 Total Himax Technologies, Inc. stockholders' equity Concept (Monetary) As Of Credit ifrs-full:EquityAttributableToOwnersOfParent
1951 Noncontrolling interests Concept (Monetary) As Of Credit ifrs-full:NoncontrollingInterests
1952 Total equity Concept (Monetary) As Of Credit ifrs-full:Equity
1953 Total liabilities and equity Concept (Monetary) As Of Credit ifrs-full:EquityAndLiabilities
1954 1159 - Disclosure - Explanation of transition to IFRS (Details 1) Network

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 http://www.himax.com.tw/role/ExplanationOfTransitionToIfrsDetails1
1955 Statement [Table] Table

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 us-gaap:StatementTable
1956 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1957 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1958 Financial effect of transition from previous GAAP to IFRSs [axis] Axis ifrs-full:FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis
1959 IFRSs [member] Member ifrs-full:IFRSsMember
1960 Previous GAAP [member] Member ifrs-full:PreviousGAAPMember
1961 Effect of transition to IFRSs [member] Member ifrs-full:EffectOfTransitionToIFRSsMember
1962 Effect of transition [Axis] Axis himx:EffectOfTransitionAxis
1963 Effect of transition [Domain] Member himx:EffectOfTransitionDomain
1964 Recognition Difference [Member] Member himx:RecognitionDifferenceMember
1965 Presentation Difference [Member] Member himx:PresentationDifferenceMember
1966 Statement [Line Items] LineItems us-gaap:StatementLineItems
1967 Revenues Concept (Monetary) For Period Credit ifrs-full:Revenue
1968 Costs and expenses: Abstract himx:CostAndExpensesAbstractsAbstract
1969 Cost of revenues Concept (Monetary) For Period Debit ifrs-full:CostOfSales
1970 Research and development Concept (Monetary) For Period Debit ifrs-full:ResearchAndDevelopmentExpense
1971 General and administrative Concept (Monetary) For Period Debit ifrs-full:AdministrativeExpense
1972 Bad debt expense Concept (Monetary) For Period Debit himx:AllowanceForBadDebtExpense
1973 Sales and marketing Concept (Monetary) For Period Debit ifrs-full:SalesAndMarketingExpense
1974 Total costs and expenses Concept (Monetary) For Period Debit himx:TotalCostAndExpenses
1975 Operating income Concept (Monetary) For Period Debit ifrs-full:OperatingExpense
1976 Non operating income (loss): Abstract himx:NonOperatingIncomeLossAbstract
1977 Interest income Concept (Monetary) For Period Credit ifrs-full:RevenueFromInterest
1978 Gain on sale of securities, net Concept (Monetary) For Period Debit himx:IncreaseDecreaseFairvalueOfFinancialAssetsAtFairvalueThroughProfitOrLoss
1979 Share of losses of associates Concept (Monetary) For Period Debit ifrs-full:UnrecognisedShareOfLossesOfAssociates
1980 Foreign currency exchange losses, net Concept (Monetary) For Period Debit himx:ForeignCurrencyExchangeLossesnet
1981 Interest expense Concept (Monetary) For Period Debit ifrs-full:FinanceCosts
1982 Other income, net Concept (Monetary) For Period Credit ifrs-full:OtherIncome
1983 Non Operating Income (Loss) Concept (Monetary) For Period Credit himx:NonOperatingIncomeLoss
1984 Earnings before income taxes Concept (Monetary) For Period Credit ifrs-full:ProfitLossBeforeTax
1985 Income tax expense Concept (Monetary) For Period Debit ifrs-full:IncomeTaxExpenseContinuingOperations
1986 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
1987 Net loss attributable to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
1988 Net income attributable to Himax Technologies, Inc. stockholders Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToOwnersOfParent
1989 Basic earnings per ordinary share attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period ifrs-full:BasicEarningsLossPerShare
1990 Diluted earnings per ordinary share attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period ifrs-full:DilutedEarningsLossPerShare
1991 Basic earnings per ADS attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period himx:BasicEarningsPerADSAttributeToHimaxTechnologiesStockholders
1992 Diluted earnings per ADS attributable to Himax Technologies, Inc. stockholders Concept (Share) For Period himx:DilutedEarningsPerADSAttributeToHimaxTechnologiesStockholders
1993 1160 - Disclosure - Explanation of transition to IFRS (Details 2) Network

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 http://www.himax.com.tw/role/ExplanationOfTransitionToIfrsDetails2
1994 Statement [Table] Table

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 us-gaap:StatementTable
1995 Class of Stock [Axis] Axis us-gaap:StatementClassOfStockAxis
1996 Class of Stock [Domain] Member us-gaap:ClassOfStockDomain
1997 Financial effect of transition from previous GAAP to IFRSs [axis] Axis ifrs-full:FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis
1998 IFRSs [member] Member ifrs-full:IFRSsMember
1999 Previous GAAP [member] Member ifrs-full:PreviousGAAPMember
2000 Effect of transition to IFRSs [member] Member ifrs-full:EffectOfTransitionToIFRSsMember
2001 Effect of transition [Axis] Axis himx:EffectOfTransitionAxis
2002 Effect of transition [Domain] Member himx:EffectOfTransitionDomain
2003 Recognition Difference [Member] Member himx:RecognitionDifferenceMember
2004 Presentation Difference [Member] Member himx:PresentationDifferenceMember
2005 Statement [Line Items] LineItems us-gaap:StatementLineItems
2006 Net income Concept (Monetary) For Period Credit ifrs-full:ProfitLoss
2007 Other comprehensive income (loss): Abstract ifrs-full:OtherComprehensiveIncomeAbstract
2008 Items that may be reclassified subsequently to profit or loss: Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTax
2009 Unrealized gains (losses) on securities, not subject to income tax: Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnFinancialAssetsAtFairValueThroughProfitOrLoss
2010 Unrealized holding gains (losses) on available-for-sale marketable securities arising during the period Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnRemeasuringAvailableforsaleFinancialAssetsBeforeTax
2011 Reclassification adjustment for realized gains included in net income Concept (Monetary) For Period Debit ifrs-full:ReclassificationAdjustmentsOnChangeInValueOfForeignCurrencyBasisSpreadsBeforeTax
2012 Foreign currency translation adjustments, net of income tax of nil Concept (Monetary) For Period Credit ifrs-full:GainsLossesOnChangeInValueOfForeignCurrencyBasisSpreadsBeforeTax
2013 Net unrecognized actuarial gain (loss), net of income tax Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTax
2014 Remeasurements of defined benefit pension plans Concept (Monetary) For Period Credit ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans
2015 Income tax related to items that will not be reclassified subsequently Concept (Monetary) For Period Debit ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLoss
2016 Comprehensive income Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncome
2017 Comprehensive loss attributable to noncontrolling interests Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests
2018 Comprehensive income attributable to Himax Technologies, Inc. stockholders Concept (Monetary) For Period Credit ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent
2019 1161 - Disclosure - Explanation of transition to IFRS (Details Textual) Network

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 http://www.himax.com.tw/role/ExplanationOfTransitionToIfrsDetailsTextual
2020 Statement [Table] Table

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 us-gaap:StatementTable
2021 Financial effect of transition from previous GAAP to IFRSs [axis] Axis ifrs-full:FinancialEffectOfTransitionFromPreviousGAAPToIFRSsAxis
2022 IFRSs [member] Member ifrs-full:IFRSsMember
2023 Previous GAAP [member] Member ifrs-full:PreviousGAAPMember
2024 Effect of transition to IFRSs [member] Member ifrs-full:EffectOfTransitionToIFRSsMember
2025 Defined benefit plans [axis] Axis ifrs-full:DefinedBenefitPlansAxis
2026 Defined benefit pension plans [member] Member ifrs-full:DefinedBenefitPlansMember
2027 Defined benefit plans other than multi-employer plans, state plans and plans that share risks between entities under common control [member] Member ifrs-full:DefinedBenefitPlansOtherThanMultiemployerPlansStatePlansAndPlansThatShareRisksBetweenEntitiesUnderCommonControlMember
2028 Types of share-based payment arrangements [axis] Axis ifrs-full:TypesOfSharebasedPaymentArrangementsAxis
2029 Share-based payment arrangements [member] Member ifrs-full:SharebasedPaymentArrangementsMember
2030 Share based Payment Arrangement [Member] Member himx:ShareBasedPaymentArrangementMember
2031 Statement [Line Items] LineItems us-gaap:StatementLineItems
2032 Interest received Concept (Monetary) For Period Debit ifrs-full:InterestReceivedClassifiedAsOperatingActivities
2033 Interest paid, classified as operating activities Concept (Monetary) For Period Credit ifrs-full:InterestPaidClassifiedAsOperatingActivities
2034 Income tax paid, classified as operating activities Concept (Monetary) For Period Credit ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities
2035 Investments in marketable securities available for sale Concept (Monetary) As Of Debit himx:InvestmentsInMarketableSecuritiesAvailableForSale
2036 Time Deposit Concept (Monetary) As Of Credit himx:TimeDeposit
2037 Money Market Funds Concept (Monetary) As Of Credit himx:MoneyMarketFunds
2038 Financial assets at amortised cost Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtAmortisedCost
2039 Financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss
2040 Investments in Non marketable securities available for sale Concept (Monetary) As Of Debit himx:InvestmentsInNonMarketableSecuritiesAvailableForSale
2041 Non-current financial assets at fair value through profit or loss Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughProfitOrLoss
2042 Non-current financial assets at fair value through other comprehensive income Concept (Monetary) As Of Debit ifrs-full:NoncurrentFinancialAssetsAtFairValueThroughOtherComprehensiveIncome
2043 Increase DecreaseThrough Retained Earnings Concept (Monetary) As Of Credit himx:IncreaseDecreaseThroughRetainedEarnings
2044 Current financial liabilities at amortised cost Concept (Monetary) As Of Credit ifrs-full:CurrentFinancialLiabilitiesAtAmortisedCost
2045 Interest expense Concept (Monetary) For Period Debit ifrs-full:InterestExpense
2046 Allowances For Sales Returns and Discounts Concept (Monetary) As Of Credit himx:AllowancesForSalesReturnsAndDiscounts
2047 Property, plant and equipment Concept (Monetary) As Of Debit ifrs-full:PropertyPlantAndEquipment
2048 Other intangible assets Concept (Monetary) As Of Debit ifrs-full:OtherIntangibleAssets
2049 Other non-current assets Concept (Monetary) As Of Debit ifrs-full:OtherNoncurrentAssets
2050 Other assets Concept (Monetary) As Of Debit ifrs-full:OtherAssets
2051 Gain (loss) on remeasurement, net defined benefit liability (asset) Concept (Monetary) For Period Debit ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset
2052 Accumulated other comprehensive income Concept (Monetary) As Of Credit ifrs-full:AccumulatedOtherComprehensiveIncome
2053 Decrease Retained Earnings Concept (Monetary) As Of Credit himx:DecreaseRetainedEarnings
2054 Decrease in research and development expense Concept (Monetary) For Period Debit himx:DecreaseInResearchAndDevelopmentExpense
2055 Decrease in General and administrative expense Concept (Monetary) For Period Debit himx:DecreaseInGeneralAndAdministrativeExpense
2056 Increase in sales and marketing expense Concept (Monetary) For Period Debit himx:IncreaseInSalesAndMarketingExpense
2057 Decrease in Total operating Expense Concept (Monetary) For Period Debit himx:DecreaseInTotalOperatingExpense
2058 Increase (decrease) through changes in foreign exchange rates, net defined benefit liability (asset) Concept (Monetary) For Period Credit ifrs-full:IncreaseDecreaseThroughChangesInForeignExchangeRatesNetDefinedBenefitLiabilityAsset
2059 Adjustments for income tax expense Concept (Monetary) For Period Debit ifrs-full:AdjustmentsForIncomeTaxExpense
2060 Profit (loss), attributable to non-controlling interests Concept (Monetary) For Period Credit ifrs-full:ProfitLossAttributableToNoncontrollingInterests
2061 Decrease in Additional Paid in Capital Concept (Monetary) As Of Credit himx:DecreaseInAdditionalPaidInCapital
2062 Decrease through retained earnings Concept (Monetary) As Of Credit himx:IncreasedecreaseRetainedEarnings
2063 Increase in Retained Earnings Concept (Monetary) As Of Credit himx:IncreaseInRetainedEarnings
2064 Redeemable Non controlling Interests Equity Carrying Amount Concept (Monetary) As Of Credit himx:RedeemableNonControllingInterestsEquityCarryingAmount
2065 Reclassified From Deferred Tax Assets Concept (Monetary) As Of Debit himx:ReclassifiedFromDeferredTaxAssets
2066 Reclassified From Deferred Tax Liabilities Concept (Monetary) As Of Credit himx:ReclassifiedFromDeferredTaxLiabilities
2067 Reclassified From Income Taxes Payable Non Current Concept (Monetary) As Of Credit himx:ReclassifiedFromIncomeTaxesPayableNonCurrent

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