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Income Taxes (Current and Deferred Portions of Net Income Tax Expense) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Current |  |  |
U.S. | $ 56,974 | $ 52,403 | $ 65,196
State | 2,662 | 3,362 | 5,258
Foreign |  |  | (6)
Total current taxes | 59,636 | 55,765 | 70,448
Deferred |  |  |
U.S. | 4,620 | 7,279 | (261)
State | (50) | 27 | (71)
Total deferred taxes | 4,570 | 7,306 | (332)
Total income taxes | $ 64,206 | $ 63,071 | $ 70,116

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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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