Convertible Senior Notes - Estimated Fair Value (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Senior Convertible Notes
Denomination of notes used for determination of fair value	$ 1,000
2027 Notes
Senior Convertible Notes
Denomination of notes used for determination of fair value	1,000	$ 1,000
Fair value of notes	$ 873,300,000	$ 687,300,000

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