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Acquisition Business Acquisition, Pro Forma Information (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015
Inphi Memory Interconnect Business [Member] |  |  |  |
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |  |  |  |
Business Acquisition, Pro Forma Revenue | $ 92,067 | $ 88,798 | $ 263,456 | $ 261,897
Business Acquisition, Pro Forma Net Income (Loss) | $ 4,410 | $ 180,471 | $ 5,579 | $ 194,255
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ 0.04 | $ 1.51 | $ 0.05 | $ 1.63
Smart Card Software Limited |  |  |  |
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |  |  |  |
Business Acquisition, Pro Forma Revenue | $ 89,855 | $ 78,325 | $ 240,498 | $ 233,372
Business Acquisition, Pro Forma Net Income (Loss) | $ 4,511 | $ 173,564 | $ 11,602 | $ 182,146
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ 0.04 | $ 1.45 | $ 0.10 | $ 1.53
Snowbush [Member] |  |  |  |
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items] |  |  |  |
Business Acquisition, Pro Forma Revenue | $ 90,149 | $ 73,811 | $ 241,005 | $ 220,912
Business Acquisition, Pro Forma Net Income (Loss) | $ 4,756 | $ 181,657 | $ 11,242 | $ 200,771
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ 0.04 | $ 1.52 | $ 0.10 | $ 1.69

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- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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