Segment Information and Enterprise-Wide Disclosure - Schedule of Net Sales by Countries (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 222,738	$ 206,182
Percentage of net sales		100.00%	100.00%
China
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 128,882	$ 121,767
Percentage of net sales		58.00%	59.00%
United States
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 19,106	$ 20,427
Percentage of net sales		9.00%	10.00%
Korea
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 13,801	$ 17,265
Percentage of net sales		6.00%	8.00%
Germany
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 14,906	$ 15,331
Percentage of net sales		7.00%	7.00%
Singapore
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 12,079	$ 14,176
Percentage of net sales		5.00%	7.00%
Taiwan
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 13,886	$ 4,284
Percentage of net sales		6.00%	2.00%
All Others
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales	[1]	$ 20,078	$ 12,932
Percentage of net sales	[1]	9.00%	7.00%

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