Accrued Expenses and Other Liabilities - Summary of Accrued Expenses and Other Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Payables and Accruals [Abstract]
Sales and marketing	$ 28,402	$ 25,379
Compensation and benefits	13,475	19,124
Operating lease liabilities	7,079	0
Manufacturing costs	2,564	3,744
Customer deposits	2,905	2,058
Billings in excess of revenues	816	512
Other	3,024	5,474
Total accrued expenses and other liabilities	$ 58,265	$ 56,291