Commitments and Contingencies - Joint Venture - Income Statement Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Long-term Purchase Commitment [Line Items]
Loss before income tax	$ (12,291)	$ (9,390)	$ (24,688)	$ (27,554)
Income tax expense
Net loss	(12,291)	(9,390)	(24,688)	(27,554)
Net loss attributable to the Company	(12,150)	$ (9,367)	(24,352)	$ (27,353)
Magdalena Biosciences, Inc. [Member]
Long-term Purchase Commitment [Line Items]
Operating expense	(15)		(77)
Loss before income tax	(15)		(77)
Net loss	(15)		(77)
Net loss attributable to the Company	$ (6)		$ (31)