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Convertible Senior Notes - Net Carrying Amount (Details) - Senior Notes - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Aug. 31, 2020	Mar. 31, 2020	Mar. 31, 2019
2026 Notes
Debt Instrument [Line Items]
Principal amount	$ 500,000	$ 1,000,000	$ 1,000,000
Unamortized issuance costs	(4,837)	(12,309)
2025 Notes
Debt Instrument [Line Items]
Principal amount	699,979	699,982		$ 700,000	$ 700,000
Unamortized issuance costs	(6,549)	(9,518)
carrying Amount | Fair Value, Nonrecurring | 2026 Notes
Debt Instrument [Line Items]
Net carrying amount	495,163	987,691
carrying Amount | Fair Value, Nonrecurring | 2025 Notes
Debt Instrument [Line Items]
Net carrying amount	$ 693,430	$ 690,464

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- Definition

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