Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements	9 Months Ended
Sep. 30, 2011
Nature Of Operations Basis Of Presentation And Recently Issued Accounting Pronouncements [Abstract]
Nature of Operations and Basis of Presentation [Text Block]	NOTE A – Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements Nature of Operations Diodes Incorporated and its subsidiaries (collectively, the “Company”) is a leading global manufacturer and supplier of high-quality, application specific standard products within the broad discrete, logic and analog semiconductor markets, serving the consumer electronics, computing, communications, industrial and automotive markets throughout Asia, North America and Europe. Basis of Presentation The accompanying unaudited consolidated condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“U.S.”) (“GAAP”) for interim financial information and with the instructions to Form 10-Q. They do not include all information and footnotes necessary for a fair presentation of financial position, results of operations and cash flows in conformity with U.S. GAAP for complete financial statements. These consolidated condensed financial statements should be read in conjunction with the consolidated financial statements and related notes contained in the Company's Annual Report on Form 10-K for the year ended December 31, 2010. All significant intercompany balances and transactions have been eliminated in consolidation. In the opinion of management, all adjustments (consisting of normal recurring adjustments and accruals) considered necessary for a fair presentation of the results of operations for the period presented have been included in the interim period. Operating results for the three and nine months ended September 30, 2011 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2011. The consolidated condensed financial data at December 31, 2010 is derived from audited financial statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2010. The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from these estimates. As permitted under U.S. GAAP, interim accounting for certain expenses, including income taxes, are based on full year forecasts. Such amounts are expensed in full in the year incurred. For interim financial reporting purposes, income taxes are recorded based upon estimated annual effective income tax rates. Certain prior year's balances have been reclassified to conform to the current financial statement presentation.
Recently Issued Accounting Pronouncements [TextBlock]	Recently Issued Accounting Pronouncements Recently Issued Accounting Pronouncements In September 2011, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update ("ASU") No. 2011-08, Intangibles-Goodwill and Other (Topic 350): Testing Goodwill for Impairment. ASU No. 2011-08 is intended to simplify goodwill impairment testing by adding a qualitative review step to assess whether the required quantitative impairment analysis that exists today is necessary. Under the amended rule, a company will not be required to calculate the fair value of a business that contains recorded goodwill unless it concludes, based on the qualitative assessment, that it is more likely than not that the fair value of that business is less than its book value (that is, a likelihood of more than 50 percent). If such a decline in fair value is deemed more likely than not to have occurred, then the quantitative goodwill impairment test that exists under current GAAP must be completed; otherwise, goodwill is deemed to be not impaired and no further testing is required until the next annual test date (or sooner if conditions or events before that date raise concerns of potential impairment in the business). The amended goodwill impairment guidance does not affect the manner in which a company estimates fair value. The provisions of ASU No. 2011-08 are effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011, with early adoption permitted. The Company is currently evaluating the impact this amendment will have on its consolidated financial statements and is considering early adoption. In June 2011, the FASB issued Accounting Standards Update ASU No. 2011-05, Comprehensive Income (Topic 220): Presentation of Comprehensive Income. ASU No. 2011-05 provides two options for presenting other comprehensive income (OCI), which previously has typically been placed near the statement of equity. The amendments require an OCI statement to be included with the income statement, which together will make a statement of total comprehensive income or separate from the income statement, but the two statements will have to appear consecutively within a financial report. The provisions of ASU No. 2011-05 are effective for fiscal quarters and years beginning on or after December 15, 2011. The Company will select one of the two presentation options in its Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2012.

Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements

9 Months Ended

Sep. 30, 2011

Nature Of Operations Basis Of Presentation And Recently Issued Accounting Pronouncements [Abstract]

Nature of Operations and Basis of Presentation [Text Block]

NOTE A – Nature of Operations, Basis of Presentation and Recently Issued Accounting Pronouncements

Nature of Operations

Diodes Incorporated and its subsidiaries (collectively, the “Company”) is a leading global manufacturer and supplier of high-quality, application specific standard products within the broad discrete, logic and analog semiconductor markets, serving the consumer electronics, computing, communications, industrial and automotive markets throughout Asia, North America and Europe.

Basis of Presentation

The accompanying unaudited consolidated condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (“U.S.”) (“GAAP”) for interim financial information and with the instructions to Form 10-Q. They do not include all information and footnotes necessary for a fair presentation of financial position, results of operations and cash flows in conformity with U.S. GAAP for complete financial statements. These consolidated condensed financial statements should be read in conjunction with the consolidated financial statements and related notes contained in the Company's Annual Report on Form 10-K for the year ended December 31, 2010. All significant intercompany balances and transactions have been eliminated in consolidation. In the opinion of management, all adjustments (consisting of normal recurring adjustments and accruals) considered necessary for a fair presentation of the results of operations for the period presented have been included in the interim period. Operating results for the three and nine months ended September 30, 2011 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2011. The consolidated condensed financial data at December 31, 2010 is derived from audited financial statements included in the Company's Annual Report on Form 10-K for the year ended December 31, 2010.

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the financial statements and accompanying notes. Actual results could differ from these estimates. As permitted under U.S. GAAP, interim accounting for certain expenses, including income taxes, are based on full year forecasts. Such amounts are expensed in full in the year incurred. For interim financial reporting purposes, income taxes are recorded based upon estimated annual effective income tax rates.

Certain prior year's balances have been reclassified to conform to the current financial statement presentation.

Recently Issued Accounting Pronouncements [TextBlock]

Recently Issued Accounting Pronouncements Recently Issued Accounting Pronouncements In September 2011, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update ("ASU") No. 2011-08, Intangibles-Goodwill and Other (Topic 350): Testing Goodwill for Impairment. ASU No. 2011-08 is intended to simplify goodwill impairment testing by adding a qualitative review step to assess whether the required quantitative impairment analysis that exists today is necessary. Under the amended rule, a company will not be required to calculate the fair value of a business that contains recorded goodwill unless it concludes, based on the qualitative assessment, that it is more likely than not that the fair value of that business is less than its book value (that is, a likelihood of more than 50 percent). If such a decline in fair value is deemed more likely than not to have occurred, then the quantitative goodwill impairment test that exists under current GAAP must be completed; otherwise, goodwill is deemed to be not impaired and no further testing is required until the next annual test date (or sooner if conditions or events before that date raise concerns of potential impairment in the business). The amended goodwill impairment guidance does not affect the manner in which a company estimates fair value. The provisions of ASU No. 2011-08 are effective for annual and interim goodwill impairment tests performed for fiscal years beginning after December 15, 2011, with early adoption permitted. The Company is currently evaluating the impact this amendment will have on its consolidated financial statements and is considering early adoption. In June 2011, the FASB issued Accounting Standards Update ASU No. 2011-05, Comprehensive Income (Topic 220): Presentation of Comprehensive Income. ASU No. 2011-05 provides two options for presenting other comprehensive income (OCI), which previously has typically been placed near the statement of equity. The amendments require an OCI statement to be included with the income statement, which together will make a statement of total comprehensive income or separate from the income statement, but the two statements will have to appear consecutively within a financial report. The provisions of ASU No. 2011-05 are effective for fiscal quarters and years beginning on or after December 15, 2011. The Company will select one of the two presentation options in its Quarterly Report on Form 10-Q for the quarterly period ended March 31, 2012.