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Accrued Expenses and Other Liabilities - Summary of Accrued Expenses and Other Liabilities (Detail) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Payables and Accruals [Abstract] |  |
Sales and marketing | $ 32,645 | $ 28,402
Compensation and benefits | 14,485 | 13,475
Operating lease liabilities | 7,961 | 7,079
Manufacturing costs | 3,309 | 2,564
Customer deposits | 3,179 | 2,905
Income taxes | 2,696 |
Billings in excess of revenues | 1,498 | 816
Other | 5,391 | 3,024
Total accrued expenses and other liabilities | $ 71,164 | $ 58,265

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