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Segment Information - Summary of Amounts Exclude Other Segment Expenses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2025	Oct. 31, 2024
Segment Reporting Information [Line Items]
Amortization of intangible assets	$ 1,406	$ 1,406	$ 4,218	$ 4,361
Stock-based compensation and related taxes	3,813	4,575	11,589	13,710
Acquisition-related costs	584		584
Restructuring costs	373	869	373	1,579
Litigation costs	98	75	488	170
Total other segment expenses	6,274	6,925	17,252	19,820
Operating Segments
Segment Reporting Information [Line Items]
Total other segment expenses	$ 6,274	$ 6,925	$ 17,252	$ 19,820

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