Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Jan. 31, 2020
Valuation Allowance [Line Items]
Increase in valuation allowance	$ 41,000
Deferred tax liabilities, net	379	$ 913
Unrecognized tax benefits	5,557	0
Unrecognized tax benefits that would effect tax rate	800
Interest and penalties recognized	100	$ 0	$ 0
Federal
Valuation Allowance [Line Items]
Net operating loss carryforwards	3,000
Federal | Research Tax Credit Carryforward
Valuation Allowance [Line Items]
Tax credit carryforward	1,200
State
Valuation Allowance [Line Items]
Net operating loss carryforwards	63,000
State | Research Tax Credit Carryforward
Valuation Allowance [Line Items]
Tax credit carryforward	600
Foreign
Valuation Allowance [Line Items]
Net operating loss carryforwards	$ 364,500