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Liabilities - Convertible Senior Notes Carrying Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
May 19, 2023
Dec. 31, 2022
Nov. 17, 2020
May 18, 2020
Jan. 10, 2017
Debt            
Principal amount $ 281,500   $ 277,673      
Unamortized debt discount/transaction costs (7,165)   (3,013)      
Net carrying value 274,335   274,660      
2023 Notes            
Debt            
Principal amount     20,173     $ 345,000
Unamortized debt discount/transaction costs     (4)      
Net carrying value     20,169      
2025 Notes            
Debt            
Principal amount 26,500   132,500 $ 132,500    
Unamortized debt discount/transaction costs (149)   (990)      
Net carrying value 26,351   131,510      
2027 Notes            
Debt            
Principal amount 25,000   125,000   $ 125,000  
Unamortized debt discount/transaction costs (358)   (2,019)      
Net carrying value 24,642   $ 122,981      
2029 Notes            
Debt            
Principal amount 230,000 $ 230,000        
Unamortized debt discount/transaction costs (6,657)          
Net carrying value $ 223,343