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Income Taxes - Additional information (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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| Net deferred tax liability | $ 19,604 | |
| Changes in differed tax valuation allowances | 18,329 | |
| Net operating loss carryforward | 106,000 | |
| Amortization of excess tax goodwill | $ 1,633 | |
| X | ||||||||||
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- Definition
Goodwill And Intangible Asset Impairment Tax Benefit No definition available.
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the change in the period in the valuation allowance for a specified deferred tax asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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