Summary of Significant Accounting Policies - Summary Of Comprehensive Income Loss (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Accounting Policies [Abstract]
Revenue		$ 17,575	$ 28,640	$ 115,724	$ 55,997
Less:
Cost of commercialization revenue		554	4,627	20,993	6,612
Technical operations and quality expenses		2,537	21,519	21,810	49,038
Medical and safety expenses		3,628	8,302	8,963	21,828
Regulatory expenses		1,145	3,511	3,970	7,972
General and administrative expenses		6,514	8,912	17,989	20,025
Other segment items	[1]	810	818	1,602	1,323
Net income (loss)		$ 2,387	$ (19,049)	$ 40,397	$ (50,801)

[1] Other segment items include Other Income (expense), net and Provision for (benefit from) income taxes