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Income Taxes (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 6 Months Ended
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Jun. 30, 2016 | Jun. 30, 2015
Income Taxes [Line Items] |  |
Income tax incentives | $ 2,044 | $ 4,574
Net impact of tax incentives, per diluted share | $ 0.04 | $ 0.09
Unrecognized tax benefits including interest and penalties | $ 16,500 |
Interest on unrecognized tax | 1,700 |
Penalty on unrecognized tax | 1,600 |
Reduction in unrecognized tax benefits within next twelve months | 8,300 |
China [Member] |  |
Income Taxes [Line Items] |  |
Income tax incentives | 0 | $ 950
Malaysia [Member} |  |
Income Taxes [Line Items] |  |
Income tax incentives | $ 707 | 1,109
Income tax holidays expiration date | 2025 |
Thailand [Member] |  |
Income Taxes [Line Items] |  |
Income tax incentives | $ 1,337 | $ 2,515
Income tax holidays expiration date | 2028 |

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