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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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent.

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Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

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The current portion, due within one year or one operating cycle, if longer, of deposits held other than customer deposits.

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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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Revenue - Narrative (Details) - USD ($) $ in Thousands	9 Months Ended
Revenue - Narrative (Details) - USD ($) $ in Thousands	Oct. 31, 2021	Oct. 31, 2020	Jan. 31, 2021
Revenue from External Customer [Line Items]
Unearned revenue, current	$ 151,464		$ 191,810
Unearned revenue, noncurrent	400
Unearned revenue, revenue recognized	170,500
Customer deposits	$ 400		$ 200
Sales Revenue, Net \| Product Concentration Risk \| Professional Services
Revenue from External Customer [Line Items]
Concentration risk, percentage	8.00%	7.00%
Sales Revenue, Net \| Geographic Concentration Risk \| UNITED STATES
Revenue from External Customer [Line Items]
Concentration risk, percentage	79.00%	80.00%
Sales Revenue, Net \| Geographic Concentration Risk \| UNITED KINGDOM
Revenue from External Customer [Line Items]
Concentration risk, percentage	19.00%
Sales Revenue, Net \| Geographic Concentration Risk \| SWITZERLAND
Revenue from External Customer [Line Items]
Concentration risk, percentage		16.00%