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Income Taxes - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2013
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Sep. 30, 2012
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Sep. 30, 2013
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Sep. 30, 2012
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| Income Tax Disclosure [Abstract] | ||||
| Income tax (expense) income | $ (429) | $ 219 | $ (324) | $ 774 |
| Period at which cumulative loss incurred | 3 years | |||
| X | ||||||||||
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- Definition
Period at which cumulative loss incurred. No definition available.
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| X | ||||||||||
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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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