Balance Sheet Components - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Apr. 30, 2022	Jan. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Bonuses	$ 6,740	$ 22,622
Commissions	8,382	16,496
Employee liabilities	26,612	21,668
Accrued litigation settlement	0	12,000
Purchased media costs	2,934	3,227
Accrued sales and use tax liability	5,984	6,935
Accrued income taxes	4,064	2,559
Professional services	1,424	1,062
Other	20,097	13,651
Accrued expenses and other current liabilities	76,237	100,220
Accrued ESPP employee contributions	$ 5,300	$ 2,300