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Income Taxes (Significant Components Of The Provision For Income Taxes) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017
Current |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  | $ 2,208 | $ 2,630
State |  |  |  |  |  |  | 172 | 822
Foreign |  |  |  |  |  |  | 3,675 | 2,460
Total current |  |  |  |  |  |  | 6,055 | 5,912
Deferred |  |  |  |  |  |  |  |
Federal |  |  |  |  |  |  | (55) | (798)
State |  |  |  |  |  |  | (8) | 17
Foreign |  |  |  |  |  |  | (1,535) | (441)
Total deferred |  |  |  |  |  |  | (1,598) | (1,222)
Total income tax expense | $ 18 | $ 728 | $ 525 | $ 66 | $ 475 | $ 431 | $ 4,457 | $ 4,690

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- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 + Details
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