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Investments - Narrative (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Dec. 31, 2021
Apr. 30, 2020
Jun. 30, 2023
Jun. 30, 2022
Mar. 31, 2021
Jun. 30, 2023
Jun. 30, 2022
Investments, Debt and Equity Securities [Abstract]              
Impairment due to credit losses           $ 0  
Variable Interest Entity [Line Items]              
Research and development     $ 24,379,000 $ 16,385,000   $ 45,591,000 $ 37,224,000
Cash distributions received $ 12,900,000            
Variable Interest Entity, Not Primary Beneficiary              
Variable Interest Entity [Line Items]              
Research and development         $ 15,000,000    
Navitor Pharmaceuticals, Inc. | Variable Interest Entity, Not Primary Beneficiary              
Variable Interest Entity [Line Items]              
Agreement termination notice period   30 days          
Threshold for development costs payments   $ 50,000,000          
Investments   $ 15,000,000          
VIE, qualitative or quantitative information, ownership percentage   13.00%