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Document and Entity Information
6 Months Ended
Jun. 30, 2011
Aug. 04, 2011
Document And Entity Information Abstract    
Document type 10-Q  
Document period end date Jun. 30, 2011
Amendment flag false  
Entity registrant name DIODES INC /DEL/  
Entity central index key 0000029002  
Entity current reporting status Yes  
Current fiscal year end date --12-31  
Entity filer category Large Accelerated Filer  
Entity common stock shares outstanding   45,601,664
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q2