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Document and Entity Information - USD ($)
$ in Billions
 12 Months Ended
Dec. 31, 2022
Feb. 06, 2023
Jun. 30, 2022
Cover [Abstract]      
Document type 10-K    
Document period end date Dec. 31, 2022    
Amendment flag false    
Entity registrant name DIODES INC /DEL/    
Entity central index key 0000029002    
Entity Current Reporting Status Yes    
Entity voluntary filers No    
Current fiscal year end date --12-31    
Entity filer category Large Accelerated Filer    
Entity well known seasoned issuer Yes    
Entity Emerging Growth Company false    
Entity Small Business false    
Entity Shell Company false    
Entity common stock shares outstanding   45,486,743  
Entity public float     $ 2.8
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Trading Symbol DIOD    
Entity File Number 002-25577    
Entity Tax Identification Number 95-2039518    
Entity Address, Address Line One 4949 Hedgcoxe Road    
Entity Address, Address Line Two Suite 200    
Entity Address, City or Town Plano    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 75024    
City Area Code 972    
Local Phone Number 987-3900    
Entity Incorporation, State or Country Code DE    
Entity Interactive Data Current Yes    
Title of 12(b) Security Common Stock, Par Value $0.66 2/3    
Security Exchange Name NASDAQ    
Document Annual Report true    
Document Transition Report false    
ICFR Auditor Attestation Flag true    
Auditor Name Moss Adams LLP    
Auditor Location Los Angeles, California    
Auditor Firm ID 659    
Documents Incorporated by Reference

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s definitive proxy statement to be filed with the United States Securities and Exchange Commission (“SEC”) pursuant to Regulation 14A in connection with the 2023 annual meeting of stockholders are incorporated by reference into Part III of this Annual Report. The proxy statement will be filed with the SEC not later than 120 days after the registrant’s fiscal year ended December 31, 2022.