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Income Taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2013
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Jun. 30, 2012
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Jun. 30, 2013
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Jun. 30, 2012
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| Income Tax Disclosure [Abstract] | ||||
| Effective tax rates | 34.40% | 68.20% | 29.60% | 58.60% |
| Income tax expense (benefit) | $ 4,632 | $ (2,887) | $ 6,910 | $ (6,732) |
| Estimated effective tax rate | 30.00% | |||
| Statutory federal rate | 35.00% | 35.00% | ||
| X | ||||||||||
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- Definition
Annual Effective Income Tax Rate Percentage No definition available.
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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 | ||||||||||
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- 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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- 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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