Goodwill and Acquired Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Oct. 31, 2024	Jan. 31, 2024
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 56,400	$ 56,400
Accumulated Amortization	(55,437)	(52,443)
Net Book Value	963	3,957
Developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	41,200	41,200
Accumulated Amortization	(40,237)	(37,328)
Net Book Value	$ 963	$ 3,872
Weighted-Average Remaining Useful Life (in years)	1 year 4 months 24 days	1 year
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 15,200	$ 15,200
Accumulated Amortization	(15,200)	(15,115)
Net Book Value	$ 0	$ 85
Weighted-Average Remaining Useful Life (in years)		3 months 18 days