Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Payables And Accruals [Abstract]
Accrued bonus and other payroll related	$ 13,500	$ 13,607
Accrued marketing	8,773	10,045
Deferred revenue	8,899	6,852
Other accrued expenses	2,587	7,188
Total accrued expenses and other current liabilities	$ 33,759	$ 37,692