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Income Taxes - Reconciliation of the total amounts of unrecognized tax benefits (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended |
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Dec. 31, 2014
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| Income Tax Disclosure [Abstract] | |
| Unrecognized tax benefits, beginning of year | $ 10,894us-gaap_UnrecognizedTaxBenefits |
| Gross increases in tax positions in current period | 280us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions |
| Unrecognized tax benefits, end of year | $ 11,174us-gaap_UnrecognizedTaxBenefits |
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- Details
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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