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Income Taxes (Details 9) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Tax Credit Carryforward [Line Items]
Tax effect	$ 1,328	$ 1,328
US operations [Member]
Tax Credit Carryforward [Line Items]
Tax effect	$ 1,328
Expiration year	2020~2034

X

- 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

X

- Definition

The year at which the deferred tax asset unvested investment tax credit will expires

+ References

No definition available.

+ Details

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

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_TaxCreditCarryforwardLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_IncomeTaxAuthorityAxis=himx_UsOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: