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Income Taxes - Additional Information (Detail) (USD $)
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3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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| Income Tax Disclosure [Abstract] | ||||
| Provision (benefit) for income taxes for continuing operations | $ 4,968,000 | $ 6,582,000 | $ 19,667,000 | $ 17,510,000 |
| Effective income tax rate | 27.25% | 38.95% | 35.48% | 41.42% |
| Discrete deferred tax benefit | 400,000 | |||
| Valuation allowance | $ 0 | $ 0 | ||
| Income tax years under examination | December 31, 2004 through 2013 | |||
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- Definition
Income Tax Examination Years Under Examinations No definition available.
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- Definition
Amount of deferred 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 tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Details
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| X | ||||||||||
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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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