Goodwill and Acquired Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Oct. 31, 2025	Jan. 31, 2025
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Value	$ 104,845	$ 80,386
Accumulated Amortization	(66,537)	(55,789)
Net Book Value	38,308	24,597
Developed technology
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Value	65,200	41,200
Accumulated Amortization	(49,333)	(40,407)
Net Book Value	15,867	793
Customer relationships
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Value	15,200	15,200
Accumulated Amortization	(15,200)	(15,200)
Net Book Value	0	0
Internet Domain Names
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Value	24,445	23,986
Accumulated Amortization	(2,004)	(182)
Net Book Value	$ 22,441	$ 23,804