Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2021	Jan. 31, 2021
Balance Sheet Components [Abstract]
Accrued expenses	$ 215,466	$ 157,167
Accrued compensation and benefits	117,348	118,640
Proceeds from employee equity transactions to be remitted to employees and tax authorities	44,190	54,174
Sales and other tax liabilities	37,321	27,453
Operating lease liabilities, current	16,476	15,601
Customer deposit liabilities	13,046	13,050
Other	6,831	6,933
Accrued expenses and other current liabilities	$ 450,678	$ 393,018