Equity (Details Textual) (USD $)	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012	Jun. 20, 2011
Schedule of Capitalization, Equity [Line Items]
American Depositary Shares Authorized Repurchased Value Maximum			$ 25,000,000
American Depositary Shares Repurchased Shares	9,488,656
American Depositary Shares Repurchased Value	13,400,000
Average Repurchased Price Per American Depositary Share	$ 1.41
American Depositary Shares Held By Parent	7,825,032
Himax Taiwan, Ownership Percentage by Parent	100.00%
Accumulated Legal and Special Reserve	$ 53,786,000	$ 50,750,000
Percentage of annual net income set aside as legal reserve	10.00%

It represents the value of accumulated legal and special reserve.

No definition available.

Name:	himx_AccumulatedLegalAndSpecialReserve
Namespace Prefix:	himx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

It represents the value of american depository shares authorized Repurchased Value maximum.

No definition available.

Name:	himx_AmericanDepositarySharesAuthorizedRepurchasedValueMaximum
Namespace Prefix:	himx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

It represents the number of shares of american depository shares held by parent.

No definition available.

Name:	himx_AmericanDepositarySharesHeldByParent
Namespace Prefix:	himx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

It represents the number of shares of american depository shares repurchased.

No definition available.

Name:	himx_AmericanDepositarySharesRepurchasedShares
Namespace Prefix:	himx_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

It represents the value of american depository shares reurchased.

No definition available.

Name:	himx_AmericanDepositarySharesRepurchasedValue
Namespace Prefix:	himx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

It represents the average repurchased exercise price of american depository shares.

No definition available.

Name:	himx_AverageRepurchasedPricePerAmericanDepositaryShare
Namespace Prefix:	himx_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

The percentage of annual net income set aside as a legal reserve.

No definition available.

Name:	himx_PercentageOfAnnualNetIncomeSetAsideAsLegalReserve
Namespace Prefix:	himx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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