Intangible Assets, Net - Summary of Components of Intangible Assets (Detail) - USD ($) $ in Thousands	Jan. 31, 2022	Jan. 31, 2021
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 58,993	$ 25,143
Accumulated Amortization	(12,691)	(6,440)
Net Carrying Amount	46,302	18,703
In-process research and development [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	0	4,100
Accumulated Amortization	0	0
Net Carrying Amount	0	4,100
Developed technology [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,200	0
Accumulated Amortization	(904)	0
Net Carrying Amount	20,296	0
Customer relationships [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	13,200	0
Accumulated Amortization	(367)	0
Net Carrying Amount	12,833	0
Trade Name [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	2,500	0
Accumulated Amortization	(89)	0
Net Carrying Amount	2,411	0
Software licenses [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	22,093	21,043
Accumulated Amortization	(11,331)	(6,440)
Net Carrying Amount	$ 10,762	$ 14,603