Commitments and Contingencies - Joint Venture - Income Statement Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Long-term Purchase Commitment [Line Items]
Loss before income tax	$ (7,904)	$ (12,609)	$ (32,592)	$ (40,163)
Income tax expense
Net loss	(7,904)	(12,609)	(32,592)	(40,163)
Net loss attributable to the Company	(7,778)	$ (12,520)	(32,130)	$ (39,873)
Magdalena Biosciences, Inc. [Member]
Long-term Purchase Commitment [Line Items]
Operating expenses	(14)		(106)
Loss before income tax	(14)		(106)
Net loss	(14)		(106)
Net loss attributable to the Company	$ (6)		$ (42)