Balance Sheet Details - Property and Equipment, net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 80,845	$ 70,774
Accumulated depreciation and amortization	(51,384)	(44,940)
Property and equipment, net	29,461	25,834
Test equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	50,853	44,106
Computer equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	13,615	13,396
Software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	12,972	10,389
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,122	1,730
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,283	$ 1,153