Accrued Expenses - Schedule of Accrued Expenses (Detail) - USD ($) $ in Thousands	Oct. 31, 2020	Jan. 31, 2020
Payables and Accruals [Abstract]
Accrued commissions	$ 6,995	$ 8,951
Accrued bonus	4,433	4,329
Accrued vacation	5,308	3,921
Payroll tax payable	9,647	7,353
Accrued other compensation and benefits	2,523	1,065
Total accrued compensation and benefits	28,906	25,619
Accrued fees payable to salesforce.com	6,255	5,787
Taxes payable	3,899	4,914
Accrued third-party professional services subcontractors' fees	1,507	1,338
Other accrued expenses	10,730	9,581
Total accrued expenses and other current liabilities	$ 22,391	$ 21,620