Accrued Expenses and Other Current Liabilities - Schedule of Accrued Expenses and Other Current Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Payables And Accruals [Abstract]
Accrued payroll	$ 13,645	$ 11,536
Accrued payroll taxes	7,132	11,601
Driver escrow liabilities	3,754	4,045
Legal settlements and claims	9,350	3,700
Commissions, other taxes and other	9,746	8,706
Total	$ 43,627	$ 39,588