Condensed consolidated financial statement details - Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 111,840	$ 121,777
Less: Accumulated depreciation and amortization	(98,513)	(102,774)
Property and equipment, net	13,327	19,003
Depreciation	8,500	9,800	$ 14,500
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	32,472	33,764
Production, engineering and other equipment [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	46,475	45,641
Tooling [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	9,033	13,537
Computers and software [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	17,258	20,771
Furniture and office equipment [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	4,879	5,614
Tradeshow Equipment and other [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	1,664	1,970
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Gross property and equipment	$ 59	$ 480