Income Taxes - Additional Information (Detail) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
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| Income Tax Disclosure [Abstract] | ||||
| Effective income tax rate | 39.30% | 40.00% | 39.00% | 39.90% |
| Tax computed at federal rate, percentage | 35.00% | 35.00% | 35.00% | 35.00% |
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- Definition Percentage 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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| X | ||||||||||
- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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