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Summary of Significant Accounting Policies - Narrative (Details)	12 Months Ended
	Jan. 31, 2023 USD ($) segment	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)
Concentration Risk [Line Items]
Number of operating segments | segment	1
Amortization period of capitalized contract costs (in years)	3 years
Amortization period for contract renewals	1 year
Costs capitalized to obtain revenue contracts, gross	$ 29,400,000	$ 47,800,000
Costs capitalized to obtain revenue contracts, amortization	38,600,000	39,500,000
Costs capitalized to obtain revenue contracts	52,100,000	61,300,000
Capitalized cost impairment	0	0	$ 0
Advertising expenses	3,500,000	8,400,000	7,500,000
Capitalized software development costs	3,900,000	7,200,000
Capitalized computer software, amortization	4,900,000	3,700,000	2,600,000
Capitalized computer software, additions	1,300,000	2,400,000
Amortization expense associated with cloud computing arrangements	2,500,000	2,100,000	$ 800,000
Intangible assets, net	$ 193,000	$ 217,000
Minimum
Concentration Risk [Line Items]
Contract term	1 year
Maximum
Concentration Risk [Line Items]
Contract term	3 years
Software Development | Minimum
Concentration Risk [Line Items]
Useful life (in years)	2 years
Software Development | Maximum
Concentration Risk [Line Items]
Useful life (in years)	3 years
Restricted Stock Units (RSUs) | Minimum
Concentration Risk [Line Items]
Award requisite service period (in years)	1 year
Restricted Stock Units (RSUs) | Maximum
Concentration Risk [Line Items]
Award requisite service period (in years)	4 years
Employee Stock Option
Concentration Risk [Line Items]
Award requisite service period (in years)	4 years
Furniture and fixtures
Concentration Risk [Line Items]
Property and equipment, useful life (in years)	5 years
Office equipment
Concentration Risk [Line Items]
Property and equipment, useful life (in years)	3 years
Computer software | Minimum
Concentration Risk [Line Items]
Property and equipment, useful life (in years)	2 years
Computer software | Maximum
Concentration Risk [Line Items]
Property and equipment, useful life (in years)	3 years

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