Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Convertible Senior Notes

The 2027 Notes consisted of the following components as of December 31, 2021 and 2020 (in thousands):

	December 31, 2021		December 31, 2020
Liability component:
Principal	$	1,150,000	$	1,150,000
Less: debt discount and issuance costs, net of amortization	(169,030)		(196,359)
Net carrying amount	$	980,970	$	953,641
Equity component:	$	220,529	$	220,529

The 2025 Notes consisted of the following components as of December 31, 2021 and 2020 (in thousands):

	December 31, 2021		December 31, 2020
Liability component:
Principal	$	1,150,000	$	1,150,000
Less: debt discount and issuance costs, net of amortization	(154,803)		(196,934)
Net carrying amount	$	995,197	$	953,066
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 years ended December 31, 2021, 2020 and 2019 (in thousands):

	2021		2020		2019
Amortization of debt discount and issuance costs	$	69,697	$	67,153	$	52,059
Coupon interest payable on 2025 Notes	1,437		1,437		1,436
Coupon interest payable on 2027 Notes	4,313		4,312		1,557
Revolving credit facility contractual interest expense	557		548		513
Capitalization of interest expense	(3,672)		(4,330)		(6,201)
Total interest expense	$	72,332	$	69,120	$	49,364