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Segment, Product and Geographic Information (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue $ 802,917 $ 691,789 $ 840,542
Taiwan [Member]      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue 199,985 254,763 310,191
China [Member]      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue 507,470 372,538 436,462
Other Asia Pacific (Korea and Japan) [Member]      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue 54,159 53,053 88,047
Europe And America [Member]      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total revenue $ 41,303 $ 11,435 $ 5,842