Debt (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Schedule of Convertible Senior Notes

The 2027 Notes consisted of the following components as of September 30, 2020 and December 31, 2019 (in thousands):

	September 30, 2020		December 31, 2019
Liability component:
Principal	$	1,150,000	$	1,150,000
Less: debt discount and issuance costs, net of amortization	(203,072)		(222,928)
Net carrying amount	$	946,928	$	927,072
Equity component:	$	220,529	$	220,529

The 2025 Notes consisted of the following components as of September 30, 2020 and December 31, 2019 (in thousands):

	September 30, 2020		December 31, 2019
Liability component:
Principal	$	1,150,000	$	1,150,000
Less: debt discount and issuance costs, net of amortization	(207,185)		(237,281)
Net carrying amount	$	942,815	$	912,719
Equity component:	$	285,225	$	285,225

Schedule of Interest Expense

The following table sets forth total interest expense included in the consolidated statements of income for the three and nine months ended September 30, 2020 and 2019 (in thousands):

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2020		2019		2020		2019
Amortization of debt discount and issuance costs	$	16,866	$	12,982	$	50,130	$	35,657
Coupon interest payable on 2025 Notes	360		359		1,078		1,077
Coupon interest payable on 2027 Notes	1,078		479		3,234		479
Revolving credit facility contractual interest expense	139		156		409		372
Capitalization of interest expense	(1,119)		(1,849)		(3,073)		(4,896)
Total interest expense	$	17,324	$	12,127	$	51,778	$	32,689