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Convertible Senior Notes - Net carrying amount (Details) - 2027 Notes - USD ($)
$ in Thousands
Jun. 30, 2023
Dec. 31, 2022
Senior Convertible Notes    
Principal $ 690,000 $ 690,000
Unamortized debt issuance costs (14,482) (16,033)
Convertible notes carrying amount, net $ 675,518 $ 673,967