Document and Entity Information	3 Months Ended
	Mar. 31, 2014	May 02, 2014
Document And Entity Information [Abstract]
Document type	10-Q
Document period end date	Mar. 31, 2014
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		46,795,784
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1