Segment Information and Enterprise-Wide Disclosure - Schedule of Net Sales by Countries (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 236,645	$ 219,453	$ 459,383	$ 425,634
Percentage of net sales		100.00%	100.00%	100.00%	100.00%
China
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 134,063	$ 130,216	$ 262,945	$ 251,983
Percentage of net sales		57.00%	59.00%	57.00%	59.00%
United States
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 21,552	$ 21,200	$ 40,658	$ 41,626
Percentage of net sales		9.00%	10.00%	9.00%	10.00%
Korea
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 13,658	$ 17,981	$ 27,459	$ 35,247
Percentage of net sales		6.00%	8.00%	6.00%	8.00%
Germany
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 18,320	$ 16,205	$ 33,226	$ 31,536
Percentage of net sales		8.00%	7.00%	7.00%	7.00%
Singapore
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 11,081	$ 13,515	$ 23,160	$ 27,690
Percentage of net sales		5.00%	6.00%	5.00%	7.00%
Taiwan
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 18,103	$ 7,127	$ 31,989	$ 11,411
Percentage of net sales		8.00%	3.00%	7.00%	3.00%
All Others
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales	[1]	$ 19,868	$ 13,209	$ 39,946	$ 26,141
Percentage of net sales	[1]	7.00%	7.00%	9.00%	6.00%

[1] Represents countries with less than 3% of the total net sales each.