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Income Taxes (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Income Taxes [Line Items] |  |  |  |
Cumulative undistributed earnings of foreign subsidiaries |  |  |  | $ 330,000
Income tax incentives |  | $ 3,999 | $ 8,247 |
Net impact of tax incentives, per diluted share |  | $ 0.10 | $ 0.17 |
Unrecognized tax benefits including interest and penalties |  | $ 400 |  |
Accrued income tax penalties and interest on unrecognized tax benefits |  | 100 |  |
State And Local Jurisdiction [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax expense on foreign earnings expected to be repatriated | $ 9,400 |  |  |
Foreign Country [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax expense on foreign earnings expected to be repatriated | $ 30,700 |  |  |
China [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax incentives |  | $ 0 | $ 1,449 |
Malaysia [Member} |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax holidays expiration date |  | 2021 |  |
Income tax incentives |  | $ 2,294 | 3,219 |
Thailand [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Income tax holidays expiration date |  | 2028 |  |
Income tax incentives |  | $ 1,705 | $ 3,579 |

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- Definition Per share amount effect of the income tax benefit resulting from the income tax holidays granted by taxing jurisdictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 11.C) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330215-122817 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to repatriation of foreign earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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