Business Acquisitions - Additional Information (Details) - USD ($) shares in Millions				6 Months Ended
	Jul. 31, 2022	Jul. 29, 2022	Mar. 19, 2021	Jul. 31, 2022	Jan. 31, 2022
Business Acquisition [Line Items]
Provisional purchase price allocation to goodwill	$ 86,180,000			$ 86,180,000	$ 53,564,000
Re:infer
Business Acquisition [Line Items]
Total purchase consideration		$ 44,515,000
Stock issued at closing subject to clawback provisions (in shares)		0.4
Transaction costs				1,100,000
Provisional purchase price allocation to identifiable intangible assets		$ 13,100,000
Provisional purchase price allocation allocated to deferred tax liabilities		(3,200,000)
Provisional purchase price allocation to other net tangible assets		300,000
Provisional purchase price allocation to goodwill		34,300,000
Goodwill deductible for tax purposes		0
Cash consideration		30,117,000
Fair value of common stock		2,965,000
Re:infer | Common Stock
Business Acquisition [Line Items]
Unrecognized compensation expense	$ 7,600,000			$ 7,600,000
Weighted-average remaining period	3 years
Re:infer | Developed Technology
Business Acquisition [Line Items]
Provisional purchase price allocation to identifiable finite-lived intangible assets		$ 10,000,000
Weighted average useful life		5 years
Re:infer | Customer Relationships
Business Acquisition [Line Items]
Provisional purchase price allocation to identifiable finite-lived intangible assets		$ 3,100,000
Weighted average useful life		3 years
Cloud Elements Inc.
Business Acquisition [Line Items]
Total purchase consideration			$ 36,100,000
Cash consideration			5,700,000
Fair value of common stock			$ 30,400,000