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Income Taxes (Details Textual) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Income Tax [Line Items] |  |  |  |
Percentage Of Additional Corporate Income Tax Rate On Undistributed Income | 10.00% |  |  |
Percentage Of Surtax Rate | 10.00% |  |  |
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate | 17.00% | 17.00% | 17.00% |
Income Tax Exemption Per Basic and Diluted Earnings Share | $ 0.01 | $ 0.01 | $ 0.01 |
Undistributed Earnings of Foreign Subsidiaries | $ 642,591 |  |  |
Deferred Tax Assets, Valuation Allowance | $ 51,242 | $ 44,320 | $ 40,966 | $ 38,347
Percentage Of Income Tax Payable | 50.00% |  |  |
Percentage Of Research and Development Expenditure For Current Year On Investment Tax Credit | 15.00% |  |  |
Cap Percentage Of Income Tax Payable For Current Year | 30.00% |  |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 1,052 | 1,335 |  |
Combined Tax Rate | 23.85% |  |  |
Tax Exemption From Income | $ 3,922 | 1,759 | 2,843 |
Income Tax Expense (Benefit) | 10,671 | 11,405 | 21,591 |
Income Tax Reconciliation, Tax Credits, Investment | 4,970 | 4,242 | 4,525 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 0 | 0 | 110 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 108 | 106 |  |
Himax Media Solution, Inc [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Income Tax Expense (Benefit) | (275) | 0 | $ (1,221) |
Except For Himax Taiwan, Himax Semiconductor, Himax Korea, Himax Japan, Himax Technologies (Suzhou) Co., Ltd., Himax Technologies (Shenzhen) Co., Ltd., and Himax Imaging Corp [Member] |  |  |  |
Income Tax [Line Items] |  |  |  |
Deferred Tax Assets, Valuation Allowance | $ 51,242 | $ 44,320 |  |

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