Goodwill and Intangible Assets, net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jul. 31, 2022	Jan. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross	$ 428,224	$ 417,835
Accumulated Amortization	(146,754)	(100,867)
Net	281,470	316,968
Capitalized internal-use software costs
Finite-Lived Intangible Assets [Line Items]
Gross	44,328	36,319
Accumulated Amortization	(26,956)	(24,170)
Net	17,372	12,149
Purchased developed technology
Finite-Lived Intangible Assets [Line Items]
Gross	219,800	219,100
Accumulated Amortization	(69,794)	(47,085)
Net	$ 150,006	$ 172,015
Weighted-Average Remaining Useful Life	3 years 6 months	4 years
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross	$ 140,900	$ 140,900
Accumulated Amortization	(43,998)	(26,399)
Net	$ 96,902	$ 114,501
Weighted-Average Remaining Useful Life	3 years 8 months 12 days	4 years
Trade name
Finite-Lived Intangible Assets [Line Items]
Gross	$ 21,400	$ 21,400
Accumulated Amortization	(5,350)	(3,210)
Net	$ 16,050	$ 18,190
Weighted-Average Remaining Useful Life	3 years 9 months 18 days	4 years 3 months 18 days
Software licenses
Finite-Lived Intangible Assets [Line Items]
Gross	$ 1,796	$ 116
Accumulated Amortization	(656)	(3)
Net	$ 1,140	$ 113