Income Taxes - Summary of Components of Income Tax Provision (Detail) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |||||||||
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Dec. 31, 2017 |
Sep. 30, 2017 |
Jun. 30, 2017 |
Mar. 31, 2017 |
Dec. 31, 2016 |
Sep. 30, 2016 |
Jun. 30, 2016 |
Mar. 31, 2016 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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Income Tax Disclosure [Abstract] | |||||||||||
Federal, Current | $ 130,053 | $ 166,758 | $ 168,596 | ||||||||
Federal, Deferred | (63,038) | 15,596 | 12,866 | ||||||||
Federal income tax provision, Total | 67,015 | 182,354 | 181,462 | ||||||||
State, Current | 20,070 | 4,296 | 20,948 | ||||||||
State, Deferred | 2,965 | 2,553 | 1,628 | ||||||||
State income tax provision, Total | 23,035 | 6,849 | 22,576 | ||||||||
Income tax provision, Total | $ (27,761) | $ 42,119 | $ 40,725 | $ 34,967 | $ 49,919 | $ 44,272 | $ 51,601 | $ 43,411 | $ 90,050 | $ 189,203 | $ 204,038 |
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- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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/presentationRef
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- Definition Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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