Segment Information and Enterprise-Wide Disclosure - Schedule of Net Sales by Countries (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 208,888	$ 233,777	$ 634,522	$ 666,980
Percentage of net sales		100.00%	100.00%	100.00%	100.00%
China
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 126,268	$ 145,834	$ 378,251	$ 412,994
Percentage of net sales		60.00%	62.00%	60.00%	62.00%
United States
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 17,905	$ 21,214	$ 59,531	$ 62,620
Percentage of net sales		9.00%	9.00%	9.00%	9.00%
Korea
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 16,210	$ 16,617	$ 51,457	$ 50,852
Percentage of net sales		8.00%	7.00%	8.00%	8.00%
Germany
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 13,467	$ 14,417	$ 45,003	$ 45,616
Percentage of net sales		6.00%	6.00%	7.00%	7.00%
Singapore
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 11,009	$ 12,397	$ 38,699	$ 34,513
Percentage of net sales		5.00%	5.00%	6.00%	5.00%
Taiwan
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales		$ 7,013	$ 8,962	$ 18,424	$ 22,543
Percentage of net sales		3.00%	4.00%	3.00%	3.00%
All Others
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales	[1]	$ 17,016	$ 14,336	$ 43,157	$ 37,842
Percentage of net sales	[1]	9.00%	7.00%	7.00%	6.00%

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