Stock-Based Compensation - Schedule of Stock-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, net of amounts capitalized	$ 20,411	$ 21,304	$ 40,412	$ 42,584
Capitalized stock-based compensation	799	388	1,505	1,305
Total stock-based compensation	21,210	21,692	41,917	43,889
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, net of amounts capitalized	388	223	736	488
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, net of amounts capitalized	566	726	1,344	1,118
Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, net of amounts capitalized	10,926	10,027	20,830	19,603
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, net of amounts capitalized	4,046	4,204	8,220	8,090
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Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, net of amounts capitalized	0	0	0	866
Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation, net of amounts capitalized	$ 4,485	$ 6,124	$ 9,282	$ 12,419

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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