Intangible Assets and Goodwill - Summary of Intangible Assets, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	$ 25,142	$ 13,676
Accumulated Amortization	(8,325)	(3,485)
Intangible Assets, Net	16,817	10,191
Developed technology
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	18,627	13,083
Accumulated Amortization	(6,584)	(3,350)
Intangible Assets, Net	$ 12,043	$ 9,733
Weighted-Average Remaining Useful Life (Years)	3 years 4 months 24 days	3 years 8 months 12 days
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	$ 274	$ 66
Accumulated Amortization	(185)	(24)
Intangible Assets, Net	$ 89	$ 42
Weighted-Average Remaining Useful Life (Years)	1 year 10 months 24 days	1 year 9 months 18 days
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	$ 5,010	$ 527
Accumulated Amortization	(1,479)	(111)
Intangible Assets, Net	$ 3,531	$ 416
Weighted-Average Remaining Useful Life (Years)	2 years 2 months 12 days	3 years 9 months 18 days
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	$ 1,231
Accumulated Amortization	(77)
Intangible Assets, Net	$ 1,154
Weighted-Average Remaining Useful Life (Years)	8 years 3 months 18 days