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Convertible Senior Notes - 2024 Notes (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023	May 02, 2017
Debt Instrument [Line Items]
Principal Amount	$ 170,400,000	$ 170,400,000
Net Carrying Amount	122,800,000	170,100,000
2.25% Convertible senior notes due 2024
Debt Instrument [Line Items]
Principal Amount	170,400,000	170,400,000	$ 517,500,000
Issuance Costs	(100,000)	(300,000)
Discount	(47,500,000)	0
Net Carrying Amount	122,800,000	170,100,000
Fair Value, Amount	$ 309,500,000	$ 295,700,000

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