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Income Taxes - Provision (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Current tax provision (benefit): |  |  |
Federal | $ 5,853 | $ (3,801) | $ 3,801
State | 180 | 111 | 1,035
Total current payable | 6,033 | (3,690) | 4,836
Deferred tax provision (benefit): |  |  |
Federal | (166,890) | (77,430) | 66,430
State | 20,133 | (6,106) | 5,239
Total deferred payable | (146,757) | (83,536) | 71,669
Provision (benefit) for income taxes | $ (140,724) | $ (87,226) | $ 76,505

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- Definition The component of income tax expense for the period representing the portion of the increase (decrease) in the entity's deferred tax assets and liabilities due to the current period provision for deferred tax expense (benefit). + References No definition available. + Details
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