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Fixed assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Fixed assets
Gross fixed assets	$ 79,758	$ 51,893
Less accumulated depreciation and amortization	(27,173)	(18,062)
Property, Plant and Equipment, Net, Total	52,585	33,831
Depreciation and amortization	9,400	6,600	$ 4,700
Leasehold improvements
Fixed assets
Gross fixed assets	19,937	8,072
Computer equipment and software
Fixed assets
Gross fixed assets	13,812	11,471
Machinery and lab equipment
Fixed assets
Gross fixed assets	33,187	23,430
Furniture and fixtures
Fixed assets
Gross fixed assets	3,805	3,844
Assets in process
Fixed assets
Gross fixed assets	$ 9,017	$ 5,076

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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