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Financial Risk Management - Percentage of accounts receivable (Details)	Dec. 31, 2021	Dec. 31, 2020
Customer A and Its affiliates [Member]
IFRS Statement [Line Items]
Percentage Of Accounts Receivable	39.00%	36.30%
Customer C [Member]
IFRS Statement [Line Items]
Percentage Of Accounts Receivable	12.10%	13.60%

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
Balance Type:	na
Period Type:	duration

X

- Definition

It represents to Percentage of trade accounts receivable

+ References

No definition available.

+ Details

Name:	himx_PercentageOfAccountsReceivables
Namespace Prefix:	himx_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	ifrs-full_MajorCustomersAxis=himx_CustomerAAndItsAffiliatesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MajorCustomersAxis=himx_CustomerCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: