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Income Taxes - Additional Information (Detail) (USD $)
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3 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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| Income Tax Disclosure [Abstract] | ||
| Provision (benefit) for income taxes for continuing operations | $ 7,534,000us-gaap_IncomeTaxExpenseBenefit | $ 7,844,000us-gaap_IncomeTaxExpenseBenefit |
| Effective income tax rate | 40.53%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 41.69%us-gaap_EffectiveIncomeTaxRateContinuingOperations |
| Valuation allowance | $ 0us-gaap_DeferredTaxAssetsValuationAllowance | |
| 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 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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