Commitments and Contingencies - Joint Venture - Income Statement Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Long-term Purchase Commitment [Line Items]
Loss before income tax	$ (41,901)	$ (48,395)
Income tax expense
Net loss	(41,901)	(48,395)
Net Income (Loss)	(41,300)	$ (47,454)
Magdalena Biosciences, Inc.
Long-term Purchase Commitment [Line Items]
Operating expenses	(128)
Loss before income tax	(128)
Net loss	(128)
Net Income (Loss)	$ (51)