Balance Sheet Components - Intangible Assets, Net (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Oct. 31, 2024	Jan. 31, 2024
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 177,721	$ 164,215
Accumulated Amortization	68,367	49,697
Net Amount	109,354	114,518
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	144,849	131,346
Accumulated Amortization	57,666	41,854
Net Amount	$ 87,183	$ 89,492
Weighted-Average Remaining  Useful Life	54 months	60 months
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 17,029	$ 17,027
Accumulated Amortization	7,635	5,825
Net Amount	$ 9,394	$ 11,202
Weighted-Average Remaining  Useful Life	62 months	68 months
Intellectual property and other acquired intangible assets
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 15,843	$ 15,842
Accumulated Amortization	3,066	2,018
Net Amount	$ 12,777	$ 13,824
Weighted-Average Remaining  Useful Life	115 months	123 months