Licensing and Other Arrangements - Affimed (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Licensing and other arrangements
Revenue from contracts with customers	$ 25	$ 550	$ 3,300	$ 1,094
License Agreement | Affimed
Licensing and other arrangements
Contract assets	0		0		$ 0
Contract liabilities	0		0		$ 0
Capitalized contract costs	0		0
Revenue from contracts with customers	$ 0	$ 0	$ 0	$ 0