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Property and Equipment, Net - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Finance lease assets	$ 189	$ 0
Property and equipment, gross	41,932	40,935
Less accumulated depreciation	(32,076)	(29,498)
Property and equipment, net	9,856	11,437
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	8,745	6,010
Laboratory and clean room equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	16,497	15,524
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	14,944	15,295
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	677	3,321
Asset retirement cost
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 880	$ 785

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- Definition

Amount, before accumulated amortization, of right-of-use asset from finance lease.

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