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Significant Accounting Policies - Convertible Senior Notes (Details) - Senior Notes - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Aug. 31, 2020	Mar. 31, 2020	Apr. 30, 2019
2026 Notes
Debt Instrument [Line Items]
Face value	$ 244,479	$ 500,000	$ 1,000,000
Interest rate, stated percentage			0.00%
Principal amount	1,000,000
0.125 Percent Convertible Senior Notes Due 2025
Debt Instrument [Line Items]
Face value	358,914	$ 699,979			$ 800,000
Interest rate, stated percentage				0.125%
Principal amount	$ 800,000

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