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Segment, Product and Geographic Information (Details 5) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Significant Customer [Line Items]
Accounts receivable	$ 106,474himx_EntityWideAccountsReceivableMajorCustomersAmount	$ 91,688himx_EntityWideAccountsReceivableMajorCustomersAmount
INX and its Affiliates [Member]
Segment Reporting Significant Customer [Line Items]
Accounts receivable	58,530himx_EntityWideAccountsReceivableMajorCustomersAmount / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = himx_CmiAndAffiliatesMember	48,443himx_EntityWideAccountsReceivableMajorCustomersAmount / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = himx_CmiAndAffiliatesMember
Customer A And Its Affiliates [Member]
Segment Reporting Significant Customer [Line Items]
Accounts receivable	$ 47,944himx_EntityWideAccountsReceivableMajorCustomersAmount / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = himx_CustomerAAndItsAffiliatesMember	$ 43,245himx_EntityWideAccountsReceivableMajorCustomersAmount / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = himx_CustomerAAndItsAffiliatesMember

X

- Definition

Amount of accounts receivable generated from external customers that accounts for 10 percent or more of an entity's accounts receivable.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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

X

- Details

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Balance Type:
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