Revenue - Other Collaborative Arrangement Revenues (Details) - Collaboration revenue - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Collaboration revenue recognized in the period from:
Revenue from collaborative arrangements	$ 6	$ 9
Viatris
Collaboration revenue recognized in the period from:
Revenue from collaborative arrangements	$ 6	6
Other
Collaboration revenue recognized in the period from:
Revenue from collaborative arrangements		$ 3