Goodwill and Intangible Assets - Details of Intangible Assets (Detail) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Oct. 31, 2022	Jan. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 177,042	$ 177,042
Accumulated amortization	(89,660)	(75,102)
Total	87,382	101,940
Existing technology
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	28,580	28,580
Accumulated amortization	(15,351)	(12,187)
Total	$ 13,229	$ 16,393
Remaining useful life (in years)	3 years 2 months 12 days	3 years 10 months 24 days
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 113,157	$ 113,157
Accumulated amortization	(47,404)	(38,829)
Total	$ 65,753	$ 74,328
Remaining useful life (in years)	6 years 3 months 18 days	7 years
Trade name/trademarks
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 13,900	$ 13,900
Accumulated amortization	(8,620)	(6,645)
Total	$ 5,280	$ 7,255
Remaining useful life (in years)	2 years	2 years 9 months 18 days
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount	$ 21,405	$ 21,405
Accumulated amortization	(18,285)	(17,441)
Total	$ 3,120	$ 3,964
Remaining useful life (in years)	3 years 2 months 12 days	3 years 9 months 18 days