Annual report pursuant to Section 13 and 15(d)

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

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Income Taxes, Schedule of Components of Income Tax Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Current:      
Federal $ (44,925) $ 44,694 $ 15,171
State 786 (2,318) 1,781
Total current (44,139) 42,376 16,952
Deferred:      
Federal 2,630 3,360 7,176
State (5,280) 2,546 (1,215)
Total deferred (2,650) 5,906 5,961
Income tax expense (benefit) $ (46,789) $ 48,282 $ 22,913