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Disclosure - Income Taxes - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100610 - Disclosure - Income Taxes - Schedule of Temporary Differences Between Basis of Deferred Tax Assets and Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 100620 - Disclosure - Income Taxes - Reconciliation of Statutory Federal Income Tax Rate to Company's Effective Income Tax Rate (Detail) link:presentationLink link:calculationLink link:definitionLink 100630 - Disclosure - Income Taxes - Schedule of Valuation Allowance - (Detail) link:presentationLink link:calculationLink link:definitionLink 100640 - Disclosure - Share Repurchase (Additional Information) (Details) link:presentationLink link:calculationLink link:definitionLink 100650 - Disclosure - Leases - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100660 - Disclosure - Leases - Components of Lease Cost for Operating Leases (Detail) link:presentationLink link:calculationLink link:definitionLink 100670 - 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