Segment Information and Enterprise-Wide Disclosure - Schedule of Net Sales by Countries (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales	$ 232,085	$ 250,694	$ 236,645	$ 222,738	$ 214,381	$ 208,888	$ 219,453	$ 206,182	$ 942,162	$ 848,904	$ 890,651
Percentage of net sales									100.00%	100.00%	100.00%
China
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales									$ 548,015	$ 507,783	$ 555,478
Percentage of net sales									58.00%	60.00%	62.00%
United States
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales									$ 79,869	$ 76,870	$ 82,599
Percentage of net sales									8.00%	9.00%	9.00%
Korea
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales									$ 60,672	$ 66,605	$ 66,772
Percentage of net sales									6.00%	8.00%	7.00%
Germany
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales									$ 61,415	$ 57,036	$ 59,240
Percentage of net sales									7.00%	7.00%	7.00%
Singapore
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales									$ 48,464	$ 51,742	$ 49,191
Percentage of net sales									5.00%	6.00%	6.00%
Taiwan
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales									$ 59,087	$ 30,127	$ 27,207
Percentage of net sales									6.00%	4.00%	3.00%
All Others
Segment Reporting Revenue Reconciling Item [Line Items]
Net sales									$ 84,640	$ 58,741	$ 50,164
Percentage of net sales									10.00%	6.00%	6.00%