Intangible Assets, Net - Summary of Carrying Amounts of Intangible Assets (Detail) - USD ($) $ in Thousands	Oct. 31, 2021	Jan. 31, 2021
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 25,808	$ 25,143
Accumulated Amortization	(10,541)	(6,440)
Net Carrying Amount	15,267	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	4,100	0
Accumulated Amortization	(147)	0
Net Carrying Amount	3,953	0
Software licenses [Member]
Finite Lived Intangible Assets [Line Items]
Gross Carrying Amount	21,708	21,043
Accumulated Amortization	(10,394)	(6,440)
Net Carrying Amount	$ 11,314	$ 14,603