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Collaborative and Licensing Arrangements - Ociperlimab Option, Collaboration and License Agreement and China Broad Market Development Agreement (Details) $ in Thousands	1 Months Ended
	Dec. 31, 2021 product	Jan. 31, 2022 USD ($)	Jan. 31, 2021 USD ($)
Research and development collaborative arrangements
Number of products | product	5
Novartis | Collaborative Arrangement
Research and development collaborative arrangements
Upfront cash payment received | $		$ 300,000	$ 650,000

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