Summary of Operations and Significant Accounting Policies	6 Months Ended
Jun. 30, 2021
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Summary of Operations and Significant Accounting Policies	NOTE 1 – Summary of Operations and Significant Accounting Policies Summary of Operations Diodes Incorporated, together with its subsidiaries (collectively “Diodes”, the “Company,” “we” or “our” (Nasdaq: DIOD), a Standard and Poor's Smallcap 600 and Russell 3000 Index company, is a leading global manufacturer and supplier of high-quality, application specific standard products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. The Company serves the consumer electronics, computing, communications, industrial, and automotive markets. The Company’s products include diodes, rectifiers, transistors, MOSFETs, GPP bridges, GPP rectifiers, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers. The Company also has timing, connectivity, switching, and signal integrity solutions for high-speed signals. The Company’s corporate headquarters and Americas’ sales office are located in Plano, Texas, and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taoyuan City and Zhubei City, Taiwan; Shanghai, Yangzhou, China; Oldham, England; and Neuhaus, Germany. The Company’s wafer fabrication facilities are located in Oldham, England, Greenock, Scotland and Shanghai and Wuxi, China and Keelung and Hsinchu, Taiwan. The Company has assembly and test facilities located in Shanghai, Jinan, Chengdu and Wuxi, China as well as in Neuhaus, Germany and Jhongli and Keelung, Taiwan. Additional engineering, sales, warehouse, and logistics offices are located in Taipei, Taiwan; Hong Kong; Oldham, England; Shanghai, Shenzhen, Wuhan and Yangzhou, China; Seongnam-si, South Korea; and Munich, Frankfurt, Germany; with support offices throughout the world. Our product focus is on high-growth end-user equipment markets such as satellite TV set-top boxes, portable DVD players, datacom devices, ADSL modems, power supplies, medical devices (non-life support devices/systems), PCs and notebooks, flat panel displays, digital cameras, mobile handsets, AC-to-DC and DC-to-DC conversion, Wireless 802.11 LAN access points, brushless DC motor fans, serial connectivity, and automotive applications. Basis of Presentation The condensed consolidated financial data at December 31, 2020 are derived from audited financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2020 filed with the Securities and Exchange Commission (“SEC”) on February 22, 2021 (“Form 10-K”). The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with United States Generally Accepted Accounting Principles (“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, operating results and cash flows in conformity with GAAP for complete financial statements. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes contained in our Form 10-K. 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 operating results for the period presented have been included in the interim period. Operating results for the three and six months ended June 30, 2021 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2021. The preparation of financial statements in conformity with 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 GAAP, interim accounting for certain expenses, including income taxes, are based on full year forecasts. For interim financial reporting purposes, income taxes are recorded based upon estimated annual effective income tax rates taking into consideration discrete items occurring in a quarter. Dollar amounts and share amounts are presented in thousands, except per share amounts, unless otherwise noted. Certain prior year’s balances may have been reclassified to conform to the current condensed consolidated financial statement presentation.

Summary of Operations and Significant Accounting Policies

6 Months Ended

Jun. 30, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Summary of Operations and Significant Accounting Policies

NOTE 1 – Summary of Operations and Significant Accounting Policies

Summary of Operations

Diodes Incorporated, together with its subsidiaries (collectively “Diodes”, the “Company,” “we” or “our” (Nasdaq: DIOD), a Standard and Poor's Smallcap 600 and Russell 3000 Index company, is a leading global manufacturer and supplier of high-quality, application specific standard products within the broad discrete, logic, analog, and mixed-signal semiconductor markets. The Company serves the consumer electronics, computing, communications, industrial, and automotive markets.

The Company’s products include diodes, rectifiers, transistors, MOSFETs, GPP bridges, GPP rectifiers, protection devices, function-specific arrays, single gate logic, amplifiers and comparators, Hall-effect and temperature sensors, power management devices, including LED drivers, AC-DC converters and controllers, DC-DC switching and linear voltage regulators, and voltage references along with special function devices, such as USB power switches, load switches, voltage supervisors, and motor controllers. The Company also has timing, connectivity, switching, and signal integrity solutions for high-speed signals.

The Company’s corporate headquarters and Americas’ sales office are located in Plano, Texas, and Milpitas, California. Design, marketing, and engineering centers are located in Plano; Milpitas; Taipei, Taoyuan City and Zhubei City, Taiwan; Shanghai, Yangzhou, China; Oldham, England; and Neuhaus, Germany. The Company’s wafer fabrication facilities are located in Oldham, England, Greenock, Scotland and Shanghai and Wuxi, China and Keelung and Hsinchu, Taiwan. The Company has assembly and test facilities located in Shanghai, Jinan, Chengdu and Wuxi, China as well as in Neuhaus, Germany and Jhongli and Keelung, Taiwan. Additional engineering, sales, warehouse, and logistics offices are located in Taipei, Taiwan; Hong Kong; Oldham, England; Shanghai, Shenzhen, Wuhan and Yangzhou, China; Seongnam-si, South Korea; and Munich, Frankfurt, Germany; with support offices throughout the world.

Our product focus is on high-growth end-user equipment markets such as satellite TV set-top boxes, portable DVD players, datacom devices, ADSL modems, power supplies, medical devices (non-life support devices/systems), PCs and notebooks, flat panel displays, digital cameras, mobile handsets, AC-to-DC and DC-to-DC conversion, Wireless 802.11 LAN access points, brushless DC motor fans, serial connectivity, and automotive applications.

Basis of Presentation

The condensed consolidated financial data at December 31, 2020 are derived from audited financial statements included in our Annual Report on Form 10-K for the year ended December 31, 2020 filed with the Securities and Exchange Commission (“SEC”) on February 22, 2021 (“Form 10-K”). The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with United States Generally Accepted Accounting Principles (“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, operating results and cash flows in conformity with GAAP for complete financial statements. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes contained in our Form 10-K. 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 operating results for the period presented have been included in the interim period. Operating results for the three and six months ended June 30, 2021 are not necessarily indicative of the results that may be expected for other interim periods or the year ending December 31, 2021.

The preparation of financial statements in conformity with 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 GAAP, interim accounting for certain expenses, including income taxes, are based on full year forecasts. For interim financial reporting purposes, income taxes are recorded based upon estimated annual effective income tax rates taking into consideration discrete items occurring in a quarter.

Dollar amounts and share amounts are presented in thousands, except per share amounts, unless otherwise noted. Certain prior year’s balances may have been reclassified to conform to the current condensed consolidated financial statement presentation.