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Convertible Senior Notes (Tables)

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Schedule of Carrying Values and Coupon Rates on Financing Arrangements

The following table summarizes information about the 2023 Notes (in thousands):

			March 31, 2020						December 31, 2019
Principal amount of 2023 Notes outstanding			$	515,560					$	750,000
Unamortized discount (including unamortized debt issuance cost)			(71,128)						(111,041)
Total long-term portion of notes payable			$	444,432					$	638,959
Carrying value of equity component of the 2023 Notes			$	64,966					$	101,422
Fair value of the 2023 Notes outstanding (Level 2)			$	425,662					$	647,280

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- Definition

Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.

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