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Equity Method Investments - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement [line items]
Equity method investments pledged as collateral	$ 0	$ 0
Ganzin Technology Corp.
Statement [line items]
Unrecognized losses related to interest	260	$ 691	$ 302
Cumulative unrecognized losses related to interest	$ 1,277

X

- Definition

The cumulative unrecognized gain loss interest in equity method investments.

+ References

No definition available.

+ Details

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X

- Definition

The equity method investments was pledged as collateral.

+ References

No definition available.

+ Details

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Namespace Prefix:	himx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	himx_IfrsStatementLineItems
Namespace Prefix:	himx_
Data Type:	xbrli:stringItemType
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Period Type:	duration

X

- Definition

The unrecognized gain loss interest in equity method investments.

+ References

No definition available.

+ Details

Name:	himx_UnrecognizedGainLossInterestInEquityMethodInvestments
Namespace Prefix:	himx_
Data Type:	xbrli:monetaryItemType
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X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: