Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 31, 2024	Jan. 31, 2023	Jan. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment	$ 101,905	$ 83,600
Less: Accumulated depreciation	(59,459)	(43,554)
Total Property and Equipment, Net	42,446	40,046
Depreciation expense	16,345	13,404	$ 11,840
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment	1,718	1,244
Computers and software
Property, Plant and Equipment [Line Items]
Property and equipment	8,520	7,164
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property and equipment	35,954	25,144
Tooling
Property, Plant and Equipment [Line Items]
Property and equipment	15,852	13,782
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment	9,828	9,357
Owned and operated systems
Property, Plant and Equipment [Line Items]
Property and equipment	27,723	24,119
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment	$ 2,310	$ 2,790