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Property, Equipment and Software (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, equipment and software	$ 110,485	$ 103,776
Construction in progress	630	2,022
Less accumulated depreciation and amortization	(72,809)	(61,551)
Property, equipment and software, net	37,676	42,225
Depreciation expense	11,300	12,000	$ 12,300
Computer equipment
Property, Plant and Equipment [Line Items]
Property, equipment and software	2,890	2,663
Software
Property, Plant and Equipment [Line Items]
Property, equipment and software	9,453	8,242
Furniture and office equipment
Property, Plant and Equipment [Line Items]
Property, equipment and software	713	713
Motor vehicles
Property, Plant and Equipment [Line Items]
Property, equipment and software	50	50
Lab equipment
Property, Plant and Equipment [Line Items]
Property, equipment and software	45,693	41,202
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, equipment and software	$ 51,056	$ 48,884

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- Definition

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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Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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