Summary of Significant Accounting Policies - Narrative (Details)	12 Months Ended
Jan. 31, 2023 USD ($) segment	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)
Finite-Lived Intangible Assets [Line Items]
Amortization period for capitalized contract acquisition costs	4 years
Amortization of expense related to contract acquisition costs	$ 17,100,000	$ 15,800,000	$ 14,400,000
Impairment charge in relation to contract acquisition costs	$ 0	0	0
Number of operating segments \| segment	1
Goodwill acquired	$ 0	0	0
Impairment charges for goodwill or long-lived assets	0	0	0
Advertising expense	$ 13,900,000	$ 10,800,000	$ 12,000,000
Minimum
Finite-Lived Intangible Assets [Line Items]
Lease renewal terms	1 year
Maximum
Finite-Lived Intangible Assets [Line Items]
Lease renewal terms	3 years
Capitalized internal-use software development costs
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of intangible assets	3 years
Foreign Currency Cash Concentration Risk \| Cash and Cash Equivalents \| Currency other than United States dollar
Finite-Lived Intangible Assets [Line Items]
Concentration risk percentage	26.00%	20.00%

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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Amortization period of cost capitalized in obtaining or fulfilling contract with customer, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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