Convertible Notes (Tables)

9 Months Ended

Sep. 30, 2019

The Convertible Notes consisted of the following as of September 30, 2019:

	Amount
	(in thousands)
Liability:
Principal	$	1,265,000
Unamortized debt discount and issuance costs		(384,609	)
Net carrying amount	$	880,391
Carrying amount of the equity component	$	377,432

The following table details interest expense recognized related to the Convertible Notes for the three months ended September 30, 2019:

	Amount
	(in thousands)
Contractual interest expense	$	1,352
Amortization of debt issuance costs		156
Amortization of debt discount		6,256
Total	$	7,764