Convertible Senior Notes (Tables)

12 Months Ended

Dec. 31, 2020

Carrying Value of Convertible Senior Notes

The carrying value of the Company’s convertible senior notes is as follows:

	December 31,
	2020			2019
	(Amounts in thousands)
0.375% convertible senior notes due 2024:
Convertible senior notes, current portion:
Principal amount	$	287,500		$	—
Unamortized debt discount		(38,317	)		—
Unamortized debt issuance costs		(5,446	)		—
Total convertible senior notes, current portion		243,737			—
Convertible senior notes:
Principal amount		—			287,500
Unamortized debt discount		—			(47,921	)
Unamortized debt issuance costs		—			(6,812	)
Total convertible senior notes	$	243,737		$	232,767