Business Acquisitions - Summary of Business Acquisition, Purchase Price (Details) - Lite On Semiconductor $ in Millions	Nov. 30, 2020 USD ($)
Business Acquisition [Line Items]
Total consideration paid	$ 453.4
Less: Settlement of pre-existing relationships
Reacquisition of Diodes stock owned by LSC	(296.8)	[1]
Net accounts receivable on LSC books owed by Diodes	(2.6)
Total amount of pre-existing relationship settled	(299.4)
Remaining consideration	$ 154.0

[1] Value determined based on closing price of Diodes’ stock on the date the acquisition agreement.