Convertible Senior Notes - Net carrying amount (Details) - 2027 Notes - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Senior Convertible Notes
Principal	$ 690,000	$ 690,000
Unamortized debt issuance costs	(12,887)	(16,033)
Convertible notes carrying amount, net	$ 677,113	$ 673,967

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details