In-Process Research and Development - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
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Sep. 30, 2019 |
Sep. 30, 2019 |
Sep. 30, 2018 |
Dec. 31, 2018 |
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Research And Development [Abstract] | ||||
Impairment of in-process research and development | $ 22,100 | $ 22,139 | $ 0 | |
In-process research and development - held for sale | $ 4,500 | $ 4,500 | $ 26,623 |
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- Definition In process research and development held for sale current. No definition available.
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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