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Convertible Senior Notes - Interest Expenses (Details) - Convertible senior notes - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Debt
Contractual interest expense	$ 1,909	$ 943	$ 5,297	$ 2,830
Amortization of debt issuance costs	302	228	863	678
Total interest expense	$ 2,211	$ 1,171	$ 6,160	$ 3,508

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