Bank Credit Agreement (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Line of Credit Facility [Line Items]
Line of Credit Facility, Initiation Date	Jan. 08, 2013
Line of Credit Facility, Description	On January 8, 2013, the Company and Diodes International B.V. (the “Foreign Borrower” and collectively with the Company, the “Borrowers”) and certain subsidiaries of the Company as guarantors, entered into a Credit Agreement (the “Credit Agreement”) with Bank of America and other participating lenders (collectively, the “Lenders”).
Line of Credit Facility, Expiration Date	Jan. 08, 2018
Line of Credit Facility, Current Borrowing Capacity	$ 205
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	300
Swing Line Sublimit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	10
Letter Of Credit Sublimit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	10
Alternative Currency Sublimit [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 20