XML 111 R97.htm IDEA: XBRL DOCUMENT v3.8.0.1

Income Taxes (Details)	12 Months Ended
	Dec. 31, 2017
Himax Taiwan [Member] | Investment One [Member]
Domestic Income Tax Expenses [Line Items]
Tax Exemption Period	January 1, 2014-December 31, 2018
Himax Taiwan [Member] | Investment Two [Member]
Domestic Income Tax Expenses [Line Items]
Tax Exemption Period	January 1, 2014-December 31, 2018
Himax Semiconductor [Memer] | Investment One [Member]
Domestic Income Tax Expenses [Line Items]
Tax Exemption Period	January 1, 2014-December 31, 2018

X

- References

No definition available.

+ Details

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

X

- Definition

The period during which tax is exempted.

+ References

No definition available.

+ Details

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

X

- Details

Name:	dei_LegalEntityAxis=himx_HimaxTaiwanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=himx_InvestmentOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentTypeAxis=himx_InvestmentTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=himx_HimaxSemiConductorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: