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Income Taxes (Components Of Income Tax Provision (Benefit) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Current:      
Federal   $ (2,220)  
State and local $ (21) (372) $ (49)
Foreign 1,183 5 52
Current total 1,162 (2,587) 3
Deferred:      
Federal (3,058) 1,944 (2,431)
State and local (490) 326 (469)
Foreign (125) (849) (1,082)
Deferred total (3,673) 1,421 (3,982)
Change in valuation allowance for deferred income taxes 3,176 48,858 161
Deferred Income Tax Expense (Benefit), Net (497) 50,279 (3,821)
Income tax benefit $ 665 $ 47,692 $ (3,818)