Balance Sheet Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jul. 31, 2021	Jan. 31, 2021
Balance Sheet Components [Abstract]
Accrued expenses	$ 230,311	$ 157,167
Accrued compensation and benefits	100,376	118,640
Proceeds from employee equity transactions to be remitted to employees and tax authorities	73,074	54,174
Sales and other tax liabilities	32,992	27,453
Operating lease liabilities, current	17,355	15,601
Customer deposit liabilities	14,541	13,050
Other	13,513	6,933
Accrued expenses and other current liabilities	$ 482,162	$ 393,018