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Consolidated Statements of Comprehensive Income [Parenthetical] (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Tax effect on unrecognized actuarial loss	$ (125)	$ (54)	$ (18)

X

- Definition

Reflects the tax impact on the defined benefit plan.

+ References

No definition available.

+ Details

Name:	himx_TaxOnDefinedBenifitPlan
Namespace Prefix:	himx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration