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Collaboration, License, and Other Agreements - Accounts Receivable (Details) - USD ($)
$ in Millions
Jun. 30, 2022
Dec. 31, 2021
Accounts receivable, net    
Accounts receivable, net $ 116.6 $ 138.0
Accounts receivable, net of accounts payable 90.6 112.2
AbbVie    
Accounts receivable, net    
Accounts payable $ 6.7 $ 5.0