Document and Entity Information	6 Months Ended
	Jun. 30, 2012	Aug. 03, 2012
Document And Entity Information [Abstract]
Document type	10-Q
Document period end date	Jun. 30, 2012
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		45,996,700
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q2