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Allowance for Doubtful Accounts, Sales Returns and Discounts (Details 1) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Balance at beginning of year | $ 785 | $ 591 | $ 970
Additions | 7,386 | 3,385 | 4,551
Amounts utilized | (7,093) | (3,191) | (4,930)
Balance at end of year | $ 1,078 | $ 785 | $ 591

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- Definition Additions to the allowance for sales returns and discounts. + References No definition available. + Details
Name: | himx_AllowanceForSaleReturnsAndDiscountsAdditions
Namespace Prefix: | himx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount utilized for allowance for sales returns and discounts during the period. + References No definition available. + Details
Name: | himx_AllowanceForSaleReturnsAndDiscountsAmountsUtilized
Namespace Prefix: | himx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition A valuation allowance for sales return and discounts due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + References No definition available. + Details
Name: | himx_AllowanceForSalesReturnsAndDiscountsCurrent
Namespace Prefix: | himx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant