Income Taxes - Summary of Income Tax Expense and Effective Tax Rate (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2018 |
Jun. 30, 2017 |
Jun. 30, 2018 |
Jun. 30, 2017 |
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| Income Tax Disclosure [Abstract] | ||||
| Income tax expense | $ 14,080 | $ 14,109 | $ 28,700 | $ 31,516 |
| Effective tax rate | 18.80% | 16.10% | 12.70% | 14.90% |
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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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- References No definition available.
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| X | ||||||||||
- 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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