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Share-Based Compensation (Details Textual) | 12 Months Ended |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2013 USD ($) | Dec. 31, 2012 USD ($) | Dec. 31, 2011 USD ($) | Dec. 31, 2011 TWD | Dec. 31, 2010 USD ($) | Dec. 31, 2009 USD ($) | Dec. 31, 2008 USD ($) | Dec. 31, 2013 Imaging Cayman [Member] USD ($) | Dec. 31, 2012 Imaging Cayman [Member] USD ($) | Dec. 31, 2011 Imaging Cayman [Member] USD ($) | Dec. 31, 2010 Imaging Cayman [Member] | Dec. 31, 2011 Himax Imaging Ltd [Member] | Dec. 31, 2013 Employee Stock Option [Member] USD ($) | Dec. 31, 2012 Employee Stock Option [Member] USD ($) | Dec. 31, 2011 Employee Stock Option [Member] USD ($) | Dec. 31, 2013 Nonvested Shares [Member] USD ($) | Dec. 31, 2007 Stock Options 2007 Plan [Member] USD ($) | Dec. 31, 2007 Stock Options 2007 Plan [Member] TWD | Dec. 20, 2007 Stock Options 2007 Plan [Member] | Dec. 31, 2013 Stock Options 2007 Plan [Member] Employee Stock Option [Member] USD ($) | Dec. 31, 2013 Stock Options 2007 Plan [Member] Employee Stock Option [Member] TWD | Dec. 31, 2013 Stock Options 2009 Plan [Member] | Dec. 31, 2012 Stock Options 2009 Plan [Member] | Dec. 31, 2011 Stock Options 2009 Plan [Member] | Dec. 31, 2009 Stock Options 2009 Plan [Member] USD ($) | Dec. 31, 2009 Stock Options 2009 Plan [Member] TWD | Oct. 20, 2009 Stock Options 2009 Plan [Member] | Dec. 31, 2013 Stock Options 2009 Plan [Member] Employee Stock Option [Member] USD ($) | Dec. 31, 2013 Stock Options 2009 Plan [Member] Employee Stock Option [Member] TWD | Dec. 31, 2013 Stock Options 2012 Plan [Member] USD ($) | Dec. 31, 2013 Stock Options 2012 Plan [Member] TWD | Dec. 31, 2012 Stock Options 2012 Plan [Member] | Jul. 02, 2012 Stock Options 2012 Plan [Member] | Dec. 31, 2013 Stock Options 2013 Plan [Member] USD ($) | Dec. 31, 2013 Stock Options 2013 Plan [Member] TWD | Jul. 01, 2013 Stock Options 2013 Plan [Member] | Dec. 31, 2013 Restricted Stock Units (Rsus) [Member] USD ($) | Dec. 31, 2012 Restricted Stock Units (Rsus) [Member] USD ($) | Dec. 31, 2011 Restricted Stock Units (Rsus) [Member] USD ($) | Dec. 31, 2010 Restricted Stock Units (Rsus) [Member] USD ($) | Dec. 31, 2009 Restricted Stock Units (Rsus) [Member] USD ($) | Dec. 31, 2008 Restricted Stock Units (Rsus) [Member] USD ($) | Dec. 31, 2013 Restricted Stock Units (Rsus) [Member] Plan 2011 [Member] | Dec. 31, 2016 Restricted Stock Units (Rsus) [Member] Subsequent Event [Member] | Dec. 31, 2015 Restricted Stock Units (Rsus) [Member] Subsequent Event [Member] | Dec. 31, 2014 Restricted Stock Units (Rsus) [Member] Subsequent Event [Member] | Dec. 31, 2011 Capital Reduction Plan [Member] USD ($) | Dec. 31, 2011 Capital Reduction Plan [Member] TWD
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 867,771 | 5,522,279 | 2,727,278 | 3,488,952 | 3,577,686 | 7,108,675 |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Vesting Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25.00% | 25.00% | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,833,000 | $ 6,286,000 | $ 2,873,000 | $ 5,870,000 | $ 6,508,000 | $ 12,714,000 |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Percentage1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13.12% | 13.12% | 13.12% | 60.64% |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Percentage2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14.68% | 14.68% | 14.68% | 55.96% |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Percentage3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.63% | 10.63% | 10.63% | 68.11% |  |  |  |  |  |  |  |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Percentage4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.88% | 0.88% | 97.36% |  |  |  |  |  |  | 0.88% |  |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Percentage5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 13.88% | 58.36% |  |  |  |  |  |  | 13.88% | 13.88% |  |
Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Percentage6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 88.90% |  |  |  |  |  |  | 3.70% | 3.70% | 3.70% |  |
Market Price Per Share Of American Depositary Shares Underlying Restricted Stock Units Granted | $ 10.15 | $ 1.95 | $ 1.1 |  | $ 2.47 | $ 3.25 | $ 2.95 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,711,000 |  |  |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 months 1 day |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year 9 months 22 days |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Nonvested, Number |  |  |  |  |  |  |  |  |  |  | 5,346,777 | 1,939,490 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,511,223 | 2,637,455 | 1,172,388 | 2,688,382 |  |  | 1,511,223 |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Gross | 1,899,910 | 1,312,844 | 2,971,212 | 2,971,212 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nonvested Shares Issued To Employees Description |  |  | During 2011, Imaging Cayman granted non-vested shares of Imaging Taiwans ordinary shares to certain employees for their future service, and the employees must pay NT$30 ($1.03) per share. | During 2011, Imaging Cayman granted non-vested shares of Imaging Taiwans ordinary shares to certain employees for their future service, and the employees must pay NT$30 ($1.03) per share. | From September 2007 to December 2010, Himax Imaging Inc. (Imaging Cayman, a consolidated subsidiary) granted non-vested shares of its ordinary shares to certain employees for their future service, and the employees must pay $0.15 or $0.3 (employees hired after March 1, 2009) per share. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unvested Ordinary Share Exchange Rate |  |  | $ 0.36274 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allocated Share-based Compensation Expense | $ 9,673,000 | $ 8,222,000 | $ 7,063,000 |  |  |  |  | $ 9,000 | $ 14,000 | $ 71,000 |  |  | $ 11,000 | $ 13,000 | $ 219,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 9,653,000 | $ 8,195,000 | $ 6,773,000 |  |  |  |  |  |  |  |  |
Ordinary Price Per Share On Date Of Grant |  |  | $ 0.72 | 21 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,800,000 |  |  |  |  |  |  |  | 2,300,000 |  |  |  |  |  | 2,000,000 |  |  | 430,000 |  |  |  |  |  |  |  |  |  |  |  |
Equity Issuance, Per Share Amount |  |  | $ 1.856 | 60 |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.464 | 15 |  |  |  |  |  |  | $ 0.311 | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.244 | 40
Percentage Of Ratio To Offset Loss |  |  | 75.00% | 75.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Expected term (years) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years | 10 years |  |  |  |  |  |  | 5 years | 5 years | 3 years | 3 years |  |  | 3 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Nonvested, Weighted Average Grant Date Fair Value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.672 | 21.6608 |  |  |  |  |  |  | $ 0.160 | 5.2 |  |  |  |  |  |  |  | $ 2.47 | $ 1.99 | $ 2.68 | $ 2.87 |  |  |  |  |  |  |  |
Stock Option Exercise Price Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.004 | 30 |  |  | $ 1 | 30 |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage Of Options Vested In One and Half Years After Date Of Grant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage Of Options Vested In Three Years After Date Of Grant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Amount per share or per unit assigned to the consideration received of equity securities issued for development stage entities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 915 -SubTopic 215 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6472370&loc=d3e38297-110927 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.D.2) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section D -Subsection 2 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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