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Fair Value Measurements (Narrative) (Details)	Mar. 31, 2025	Dec. 31, 2024	Jul. 16, 2024	Oct. 07, 2020	Nov. 15, 2019
4.625% Senior Notes | Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate				4.625%
3.625% Convertible Notes | Convertible Debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate			3.625%
1.75% Convertible Notes | Convertible Debt
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Stated interest rate					1.75%
Minimum | Measurement Input, Discount Rate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities, available-for-sale, measurement input	0.09	0.09
Minimum | Measurement Input, Conversion Term
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities, available-for-sale, term	6 months	6 months
Maximum | Measurement Input, Discount Rate
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities, available-for-sale, measurement input	0.10	0.10
Maximum | Measurement Input, Conversion Term
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt securities, available-for-sale, term	2 years	2 years

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Contractual interest rate for funds borrowed, under the debt agreement.

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