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Income Taxes - Schedule of Differences Between Effective Rate and United States Federal Income Tax Statutory Rate (Detail) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Tax Disclosure [Abstract] |  |  |
Tax at statutory rate | 21.00% | 21.00% | 35.00%
State income tax, net of federal benefit | 3.85% | 4.35% | 3.38%
Non-deductible expenses | (0.22%) | 0.42% | 0.48%
Change in accrual estimates relating to uncertain tax positions | 0.36% | 0.02% |
Capital loss on liquidation | 1.79% |  |
Change in valuation allowance | (1.73%) |  |
Impairments | (17.16%) |  |
Other, net | (0.49%) | 1.70% | 0.10%
Change in tax law |  | (0.32%) | (18.16%)
Income tax provision | 7.40% | 27.17% | 20.80%

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