Annual report pursuant to Section 13 and 15(d)

Income Taxes (Components Of Income Tax Expense (Benefit)) (Details)

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Income Taxes (Components Of Income Tax Expense (Benefit)) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]      
State $ 1,136 $ 4,830 $ 1,772
Federal (17,181) 6,998 19,518
Foreign 333 379 63
Current Income Tax Expense, Total (15,712) 12,207 21,353
State 12 (2,280) (1,674)
Federal (51,489) (46,652) (19,429)
Deferred Income Tax Benefit, Total (51,477) (48,932) (21,103)
Income Tax Expense (Benefit) $ (67,189) $ (36,725) $ 250