Property and Equipment. net - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 18,822	$ 9,531
Accumulated depreciation	(4,074)	(2,033)
Property and equipment, net	14,748	7,498
Manufacturing Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	5,912	4,003
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	4,410	1,737
Assets In Progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	2,861	2,320
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	2,800	363
Computer Hardware
Property Plant And Equipment [Line Items]
Property and equipment, gross	2,584	980
Computer Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 255	$ 128

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 before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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