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Balance Sheet Components - Schedule of Other Long-term Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Other Liabilities Noncurrent [Abstract] |  |
Accrued long-term co-promotional expenses | $ 53,071 | $ 0
Other long-term tax liabilities | 8,913 | 8,138
Operating lease liabilities | 942 | 0
Other | 1,340 | 1,855
Total other long-term liabilities | $ 64,266 | $ 9,993

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