License, Collaboration, and Other Arrangements - Alexion License Agreement (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 19, 2024	Dec. 31, 2025	Dec. 31, 2024
Acquisitions, Licensing and Other Arrangements
Revenue from contracts with customers		$ 10,350	$ 6,650
License Agreement | Alexion
Acquisitions, Licensing and Other Arrangements
Maximum milestone payments entitled to receive	$ 10,500
Contract assets		0	0
Contract liabilities		0	0
Capitalized contract costs		0	0
Revenue from contracts with customers	$ 500	$ 0	$ 500