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Segment, Product and Geographic Information (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue $ 691,789 $ 840,542 $ 770,739
Taiwan [Member]      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue 254,763 310,191 283,989
China [Member]      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue 372,538 436,462 400,501
Other Asia Pacific (Korea and Japan) [Member]      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue 53,053 88,047 84,695
Europe And America [Member]      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue $ 11,435 $ 5,842 $ 1,554