Commitments and Contingencies - Additional Information (Details) - Jun. 30, 2015 - USD ($) $ in Millions	Total
Commitments And Contingencies [Line Items]
Purchase Commitments	$ 39
Putative Securities Class Action
Commitments And Contingencies [Line Items]
Loss Contingency, Name of Defendant	Diodes, Inc
Loss Contingency, Lawsuit Filing Date	Mar. 15, 2013
Loss Contingency, Name of Plaintiff	Local 731 I.B. of T. Excavators and Pavers Pension Trust Fund
Stockholder Derivative Action Two
Commitments And Contingencies [Line Items]
Loss Contingency, Name of Defendant	Keh-Shew Lu
Loss Contingency, Lawsuit Filing Date	Feb. 20, 2014
Loss Contingency, Name of Plaintiff	Persson
Loss Contingency, Allegations	on behalf of the Company against its directors, in which plaintiff alleges that the Board breached their fiduciary duties by allowing the Company to make allegedly misleading public statements in 2011 regarding the labor market in China and its impact on the Company’s business and prospects, by failing to maintain internal controls and by selling shares of Diodes stock while allegedly in possession of material nonpublic information regarding the labor market in China and its impact on the Company’s business and prospects.
Number of days given to extend stay of an action after either expiration of an appeal period or a final decision	30 days