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Acquisition (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	12 Months Ended
	Jul. 03, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Business Acquisition [Line Items]
Business Combination, Consideration Transferred, Total	$ 5,712us-gaap_BusinessCombinationConsiderationTransferred1
Intangible assets	6,157us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
Developed Technology Rights [Member]
Business Acquisition [Line Items]
Weighted average amortization period		7 years	7 years
Weighted Average Cost Of Capital	22.00%himx_WeightedAverageCostOfCapital / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember
Himax Display Inc [Member]
Business Acquisition [Line Items]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares	6,762,537us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued / dei_LegalEntityAxis = himx_HimaxDisplayIncMember
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned	270us-gaap_BusinessAcquisitionEquityInterestIssuedOrIssuableValueAssigned / dei_LegalEntityAxis = himx_HimaxDisplayIncMember
Himax Display Inc [Member] | Developed Technology Rights [Member]
Business Acquisition [Line Items]
Weighted average amortization period	7 years
HDI USA [Member]
Business Acquisition [Line Items]
Losses included in the consolidated statements of income				1,390us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsNetGainsAndLosses / dei_LegalEntityAxis = himx_HdiUsaMember
In Process R and D Asset [Member]
Business Acquisition [Line Items]
Weighted Average Cost Of Capital	23.00%himx_WeightedAverageCostOfCapital / dei_LegalEntityAxis = himx_InProcessRAndDAssetMember
Intangible assets	722us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill / dei_LegalEntityAxis = himx_InProcessRAndDAssetMember
Spatial Photonics Inc [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred, Total	5,700us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_BusinessAcquisitionAxis = himx_SpatialPhotonicIncMember
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Loss	$ 1,061us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeRemeasurementLoss / us-gaap_BusinessAcquisitionAxis = himx_SpatialPhotonicIncMember

X

- Definition

Represents the percentage of weighted average cost of capital.

+ References

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275

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- Definition

Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

+ References

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-Name Accounting Standards Codification

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-SubTopic 30

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

+ References

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-Publisher FASB

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-SubTopic 30

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

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- Definition

The net gains or losses recognized for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

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-Paragraph 2

-Subparagraph (e)(3)

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- Definition

In a business combination achieved in stages, this element represents the amount of loss recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

+ References

No definition available.

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