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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Tax Disclosure [Abstract] |  |  |
U.S. federal tax statutory rate (percent) | 35.00% | 35.00% | 35.00%
Non-controlling interest (percent) | 1.68% | (0.00%) | (0.00%)
State income taxes, net of federal income tax benefit, rate (percent) | 2.59% | 2.27% | 5.11%
Non-deductible executive compensation (percent) | 1.05% | (0.21%) | (0.94%)
Non-deductible equity-based compensation windfall (shortfall) (percent) | 0.87% | (1.83%) | (10.17%)
Tax reform rate change (percent) | 226.61% | 0.00% | 0.00%
Other, rate (percent) | 0.21% | (0.64%) | (0.40%)
Annual effective tax expense (benefit), rate (percent) | 268.01% | 34.59% | 28.60%
U.S. federal tax statutory rate | $ (26,550) | $ (130,044) | $ (19,730)
Non-controlling interest | (1,278) | 0 | 0
State income taxes, net of federal income tax benefit | (1,966) | (8,435) | (2,883)
Non-deductible executive compensation | (792) | 796 | 528
Non-deductible equity-based compensation windfall (shortfall) | (659) | 6,808 | 5,734
Tax reform rate change | (171,900) | 0 | 0
Other | (159) | 2,337 | 228
Annual effective tax benefit | $ (203,304) | $ (128,538) | $ (16,123)

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