Related Party Transactions - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Lite On Semiconductor
Related Party Transaction [Line Items]
Related Party ownership of common stock	16.70%
Related Party Transaction, Description of Transaction	LSC is our largest stockholder, owning approximately 16.7% of our outstanding Common Stock as of December 31, 2016, and is a member of the Lite-On Group of companies.
Lite On Semiconductor | Maximum
Related Party Transaction [Line Items]
Related Party Transaction Revenues Percentage from Transactions with Related Party	1.00%	1.00%	1.00%
Keylink
Related Party Transaction [Line Items]
Related Party ownership of common stock	5.00%
Related Party Transaction, Description of Transaction	Keylink is our 5% joint venture partner in our Shanghai assembly and test facilities.
Related Party Transaction Revenues Percentage from Transactions with Related Party	1.00%	1.00%	1.00%
Related Party Transaction Consulting Fees from Transactions with Related Party	$ 16.1	$ 17.9	$ 19.4
Chengdu Ya Guang Electronic Company Limited ("Ya Guang")
Related Party Transaction [Line Items]
Related Party ownership of common stock	5.00%
Related Party Transaction, Description of Transaction	In addition, Chengdu Ya Guang Electronic Company Limited (“Ya Guang”) is our 5% joint venture partner in our two Chengdu assembly and test facilities