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Equity Method Investments (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]
Amount	$ 102us-gaap_EquityMethodInvestments	$ 190us-gaap_EquityMethodInvestments
Create Electronic Optical Co., Ltd. [Member]
Schedule of Equity Method Investments [Line Items]
Amount	92us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = himx_CreateElectronicOpticalCoLtdMember	172us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = himx_CreateElectronicOpticalCoLtdMember
Holding %	21.11%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = himx_CreateElectronicOpticalCoLtdMember	21.11%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = himx_CreateElectronicOpticalCoLtdMember
Iris [Member]
Schedule of Equity Method Investments [Line Items]
Amount	$ 10us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = himx_IrisMember	$ 18us-gaap_EquityMethodInvestments / dei_LegalEntityAxis = himx_IrisMember
Holding %	6.41%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = himx_IrisMember	6.41%us-gaap_EquityMethodInvestmentOwnershipPercentage / dei_LegalEntityAxis = himx_IrisMember

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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X

- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=35755396&loc=d3e33749-111570

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