Balance Sheet Components - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Jan. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid software licenses	$ 21,262	$ 20,596
Prepaid expenses	17,068	12,220
Prepaid marketing	9,889	10,852
Other current assets	7,975	4,566
Prepaid hosting services	4,476	5,383
Prepaid expenses and other current assets	$ 60,670	$ 53,617