Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2018 |
Sep. 30, 2018 |
Jun. 30, 2018 |
Mar. 31, 2018 |
Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Income Tax Disclosure [Abstract] | |||||||||||
| Current Federal Tax Expense (Benefit) | $ 52 | $ 492 | $ (1,616) | ||||||||
| Current state tax provision (benefit) | 1 | 57 | 164 | ||||||||
| Total current tax provision (benefit) | 53 | 549 | (1,452) | ||||||||
| Deferred tax (benefit) provision | 41,770 | (11,031) | 13,766 | ||||||||
| Provision for (benefit from) income taxes | $ 6,681 | $ 37,409 | $ (6,051) | $ 3,784 | $ 10,618 | $ (5,342) | $ 8,759 | $ (24,517) | $ 41,823 | $ (10,482) | $ 12,314 |
| Federal income tax rate applicable to corporations | 21.00% | 35.00% | 35.00% | ||||||||
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- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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