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Convertible Senior Notes - 2024 Notes (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022	May 02, 2017
Debt Instrument [Line Items]
Net Carrying Amount	$ 169,900,000	$ 169,400,000
2.25% Convertible senior notes due 2024
Debt Instrument [Line Items]
Principal Amount	170,400,000	170,400,000	$ 517,500,000
Unamortized Issuance Costs	(500,000)	(1,000,000.0)
Net Carrying Amount	169,900,000	169,400,000
Fair Value, Amount	$ 252,500,000	$ 268,000,000.0

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