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Income Taxes (Provision (Benefit) for Income Taxes) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Federal income taxes: |  |  |
Current | $ 13,928 | $ 5,801 | $ 3,437
Deferred | (3,803) | (3,541) | (1,924)
Federal Income Tax Expense (Benefit), Continuing Operations, Total | 10,125 | 2,260 | 1,513
State income taxes: |  |  |
Current | 3,337 | 2,764 | 683
Deferred | (2,269) | (1,792) | 684
State and Local Income Tax Expense (Benefit), Continuing Operations, Total | 1,068 | 972 | 1,367
Foreign income taxes: |  |  |
Current | (11,545) | 5,302 | 5,643
Deferred | 18,310 | (630) | (1,134)
Foreign Income Tax Expense (Benefit), Continuing Operations, Total | 6,765 | 4,672 | 4,509
Total provision for income taxes | $ 17,958 | $ 7,904 | $ 7,389

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