Income Taxes - Components of Deferred Tax Assets (Details) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets:
Net operating losses		$ 111,555	$ 85,574
Fixed assets		1,062	1,700
Accrued & other	[1]	1,103	2,174
R&D Credits		5,436	2,865
Capitalized R&D expenditures		32,873	2,984
Accrued manufacturing expenses		2,063	1,006
Lease Liability		5,358	6,674
Intangible assets		6,867
Stock compensation	[1]	4,474	1,956
Total		170,791	104,934
Deferred tax liabilities:
ROU asset		(6,357)	(8,349)
Total deferred tax liabilities		(6,357)	(8,349)
Net deferred tax asset		164,433	96,585
Valuation allowance		$ (164,433)	$ (96,585)

[1] The 2021 Accrued & others and Stock compensation lines have been updated to conform to the 2022 presentation.