Business Combinations - Summary of Supplemental Pro Forma Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Business Combination [Abstract]
Revenue	$ 46,573	$ 29,025	$ 92,799	$ 57,330
Net loss	$ (21,165)	$ (43,855)	$ (38,243)	$ (70,973)

Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period.

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