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Income Taxes (Details 8) (USD $) In Thousands, unless otherwise specified |  |  |  | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 Taiwan operations [Member] | Dec. 31, 2012 Taiwan operations [Member] Minimum [Member] | Dec. 31, 2012 Taiwan operations [Member] Maximum [Member] | Dec. 31, 2012 US operations [Member] | Dec. 31, 2012 US operations [Member] Minimum [Member] | Dec. 31, 2012 US operations [Member] Maximum [Member]
Tax effect | $ 22,835 | $ 39,393 | $ 22,333 |  |  | $ 502 |  |
Expiration year |  |  |  | 2013 | 2016 |  | 2020 | 2027

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from unused tax credits. + References No definition available. + Details
Name: | himx_DeferredTaxAssetsUnusedInvestmentTaxCredits
Namespace Prefix: | himx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | himx_DeferredTaxAssetsUnusedInvestmentTaxCreditsExpirationDates
Namespace Prefix: | himx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration