Summary of Business and Significant Accounting Policies - Additional Information (Details)	12 Months Ended
	Jan. 31, 2023 USD ($) reporting_unit vote	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)
Summary Of Business And Significant Accounting Policies [Line Items]
Restricted cash from international employee stock sales	$ 13,141,000	$ 10,236,000
Capitalized software development costs	18,000,000	20,200,000	$ 19,400,000
Impairment of long-lived assets	$ 0	0	0
Number of Reporting Units | reporting_unit	1
Advertising expense	$ 64,700,000	$ 40,900,000	$ 34,800,000
Number of operating segments | vote	1
Revenue from Contract with Customer | Professional Services Fees Concentration Risk | Service
Summary Of Business And Significant Accounting Policies [Line Items]
Percentage of revenue (as a percent)	2.00%
Software
Summary Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	3 years
Minimum
Summary Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	3 years
Maximum
Summary Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	5 years
Maximum | Leasehold improvements
Summary Of Business And Significant Accounting Policies [Line Items]
Property, plant and equipment, useful life (in years)	5 years