Annual report pursuant to Section 13 and 15(d)

Income Taxes (Schedule of Income Tax Expense) (Details)

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Income Taxes (Schedule of Income Tax Expense) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Deferred tax (expense) benefit:      
Federal taxes $ (4,452) $ 1,360 $ (9,081)
State taxes (753) 487 (948)
Income Tax (Expense) Benefit, Total $ (5,205) $ 1,847 $ (10,029)