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Convertible Senior Notes - Interest Expenses (Details) - Convertible senior notes - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Debt
Contractual interest expense	$ 1,909	$ 943	$ 3,388	$ 1,887
Amortization of debt issuance costs	298	226	561	449
Total interest expense	$ 2,207	$ 1,169	$ 3,949	$ 2,336

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