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Intangible Assets and Goodwill - Additional Information (Detail) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 USD ($)
Finite Lived Intangible Assets [Line Items] |
Product acquisition and licensing agreements obligation, Other Liability | $ 11,667
Product Registrations |
Finite Lived Intangible Assets [Line Items] |
Expected useful life | 25 years
Trademarks |
Finite Lived Intangible Assets [Line Items] |
Expected useful life | 25 years
Customer Lists |
Finite Lived Intangible Assets [Line Items] |
Expected useful life | 10 years

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- Definition Business Acquisition Purchase Price Allocation Other Liabilities Assumed + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Details
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- Details
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