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Property, Equipment and Software (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, equipment and software	$ 103,776	$ 97,936
Construction in progress	2,022	187
Less accumulated depreciation and amortization	(61,551)	(49,725)
Property, equipment and software, net	42,225	48,211
Depreciation expense	12,000	12,300	$ 9,200
Computer equipment
Property, Plant and Equipment [Line Items]
Property, equipment and software	2,663	2,430
Software
Property, Plant and Equipment [Line Items]
Property, equipment and software	8,242	7,513
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	41,202	38,368
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, equipment and software	$ 48,884	$ 48,675

X

- 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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