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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]  
Schedule of Concentration of Risk, by Risk Factor
The following table indicates the percentage of total revenues in excess of 10% with any single customer:
Year Ended December 31,
202420232022
Partner A
41%44%46%
Partner B
17%19%20%
Partner C
8%10%—%
We attribute revenues under collaborative agreements, including royalties, to the individual countries where the customer is headquartered. We attribute revenues from product sales to the individual countries to which the product is shipped. Worldwide revenues from external customers are summarized by geographic location in the following table (in thousands):
Year Ended December 31,
202420232022
United States$690,461 $587,196 $437,989 
Switzerland212,391 149,024 166,836 
Belgium84,005 58,354 2,088 
Japan18,939 15,096 47,939 
All other foreign9,528 19,583 5,264 
Total revenues$1,015,324 $829,253 $660,116