Revenue - Contract Liabilities from Contracts (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Contract liabilities:
Total contract liabilities, current	$ 9,362	$ 7,851
Total contract liabilities, non-current	74,152	77,294
Viatris
Contract liabilities:
Total contract liabilities, current	7,927	7,851
Total contract liabilities, non-current	43,157	46,299
Fosun
Contract liabilities:
Total contract liabilities, non-current	$ 30,995	$ 30,995