Business Acquisitions - Additional Information (Details) - USD ($) $ in Thousands, shares in Millions				3 Months Ended	9 Months Ended
	Oct. 31, 2022	Jul. 29, 2022	Mar. 19, 2021	Oct. 31, 2022	Oct. 31, 2022	Jan. 31, 2022
Business Acquisition [Line Items]
Provisional purchase price allocation to goodwill	$ 83,844			$ 83,844	$ 83,844	$ 53,564
Re:infer
Business Acquisition [Line Items]
Stock issued at closing subject to clawback provisions (in shares)		0.4
Transaction costs					1,100
Provisional purchase price allocation to identifiable intangible assets	13,100			13,100	13,100
Provisional purchase price allocation allocated to deferred tax liabilities	(3,200)			(3,200)	(3,200)
Provisional purchase price allocation to other net tangible assets	300			300	300
Provisional purchase price allocation to goodwill	34,400			34,400	34,400
Goodwill deductible for tax purposes	0			0	0
Total purchase consideration		$ 44,581
Cash consideration		30,117
Fair value of Class A common stock issued at closing		2,965
Re:infer | Developed technology
Business Acquisition [Line Items]
Provisional purchase price allocation to identifiable finite-lived intangible assets	$ 10,000			10,000	10,000
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			3,100	3,100
Weighted average useful life	3 years
Re:infer | Common Stock
Business Acquisition [Line Items]
Unrecognized compensation expense	$ 7,000	$ 7,600		$ 7,000	$ 7,000
Weighted-average remaining period		3 years		2 years 9 months 18 days
Cloud Elements
Business Acquisition [Line Items]
Total purchase consideration			$ 36,100
Cash consideration			5,700
Fair value of Class A common stock issued at closing			$ 30,400