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Collaboration Agreements And Business Development Activities (Tables)
3 Months Ended
Mar. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Collaborative Revenues Under Collaboration and License Agreement
Revenues under the collaboration and license agreement, as amended, with Ipsen were as follows (in thousands):
Three Months Ended March 31,
20232022
License revenues$29,812 $24,614 
Collaboration services revenues3,722 9,913 
Total collaboration revenues$33,534 $34,527 
Revenues under the collaboration and license agreement, as amended, with Takeda were as follows (in thousands):
Three Months Ended March 31,
20232022
License revenues$2,849 $2,365 
Collaboration services revenues3,374 3,702 
Total collaboration revenues$6,223 $6,067