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Accrued Expenses and Other Liabilities - Summary of Accrued Expenses and Other Liabilities (Detail) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
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Payables and Accruals [Abstract] |  |
Sales and marketing | $ 12,906 | $ 25,379
Compensation and benefits | 5,204 | 19,124
Operating lease liabilities | 6,859 | 0
Income taxes | 6,138 | 0
Customer deposits | 2,722 | 2,058
Manufacturing costs | 2,146 | 3,744
Billings in excess of revenues | 747 | 512
Other | 5,925 | 5,474
Total accrued expenses and other liabilities | $ 42,647 | $ 56,291

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