Income Taxes - Reconciliation of Statutory Federal Income Tax Rate to Effective Income Tax Rate (Details)	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Income Tax Disclosure [Abstract]
Federal statutory income tax rate	21.00%	21.00%	21.00%
Foreign taxes	(2.00%)	(2.20%)	(3.70%)
Non-deductible expenses	(17.90%)	(2.10%)	(2.70%)
Stock-based compensation	(4.60%)	(10.80%)	27.10%
Valuation allowance	(5.70%)	(12.30%)	(48.20%)
Research and development credits	18.90%	3.30%	3.80%
Cross border tax law	(27.40%)	0.00%	0.00%
Other, net	(0.90%)	(0.30%)	(0.20%)
Effective income tax rate	(18.60%)	(3.40%)	(2.90%)