Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Jan. 31, 2021	Jan. 01, 2022	Jan. 31, 2020
Income Tax Disclosure [Abstract]
Increase in valuation allowance	$ 88,200	$ 89,600	$ 16,700
Operating Loss Carryforwards [Line Items]
Indefinite domestic operating loss carryforward	604,300
Unrecognized tax benefits	25,762	19,238	$ 9,402		$ 10,153
Tax Cuts And Jobs Act
Operating Loss Carryforwards [Line Items]
Deferred Tax Liabilities, Deferred Expense, Capitalized Research and Development Costs				$ 39,800
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	793,100	371,100
Research tax credit carryforward	33,100	$ 30,700
Operating loss carryforward subject to expiration	17,100
California
Operating Loss Carryforwards [Line Items]
Operating loss carryforward subject to expiration	17,900
Other States
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	313,800
Operating loss carryforward subject to expiration	$ 4,700