Revenue - Narrative (Details) $ in Thousands	12 Months Ended
Jan. 31, 2022 USD ($) performanceObligation	Jan. 31, 2021 USD ($)	Jan. 31, 2020
Revenue from External Customer [Line Items]
Number of performance obligations \| performanceObligation	2
Unearned revenue, current	$ 223,427	$ 191,810
Unearned revenue, noncurrent	500	200
Customer deposits	$ 200	$ 200
Sales Revenue, Net \| Geographic Concentration Risk \| UNITED STATES
Revenue from External Customer [Line Items]
Concentration risk, percentage	79.00%	80.00%	82.00%
Sales Revenue, Net \| Geographic Concentration Risk \| SWITZERLAND
Revenue from External Customer [Line Items]
Concentration risk, percentage		16.00%	14.00%
Service \| Sales Revenue, Net \| Product Concentration Risk
Revenue from External Customer [Line Items]
Concentration risk, percentage	8.00%	7.00%	5.00%

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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