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Revenue - Narrative (Details) $ in Thousands	6 Months Ended
Revenue - Narrative (Details) $ in Thousands	Jul. 31, 2026 USD ($) performance_obligation	Jul. 31, 2025	Jan. 31, 2026 USD ($)
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Number of performance obligations \| performance_obligation	2
Customer contract assets	$ 8,100		$ 4,500
Unearned revenue, current	179,594		217,465
Unearned revenue, noncurrent	200
Unearned revenue, revenue recognized	148,000
Customer deposits	900		400
Revenue, remaining performance obligation, amount	488,400		$ 513,300
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2026-08-01
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Revenue, remaining performance obligation, amount	$ 439,600
Revenue, remaining performance obligation, expected timing of satisfaction, period	24 months
Sales Revenue, Net \| Product Concentration Risk \| Professional Services
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Concentration risk, percentage	6.00%	7.00%
Sales Revenue, Net \| Geographic Concentration Risk \| UNITED STATES
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Concentration risk, percentage	81.00%	81.00%
Sales Revenue, Net \| Geographic Concentration Risk \| UNITED KINGDOM
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Product and Service, Revenue [Line Items]
Concentration risk, percentage	18.00%	18.00%