Goodwill and Acquired Intangible Assets - Summary of Acquired Intangible Assets (Details) - USD ($)	12 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Finite Lived Intangible Assets [Line Items]
Gross Value	$ 22,711,000
Accumulated Amortization	(5,003,000)
Net Carrying Value	17,708,000	$ 0
Developed Technology
Finite Lived Intangible Assets [Line Items]
Gross Value	22,711,000
Accumulated Amortization	(5,003,000)
Net Carrying Value	$ 17,708,000
Weighted-Average Remaining Useful Life (Years)	3 years 3 months 21 days