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Debt (Tables)

9 Months Ended

Sep. 30, 2021

Debt Instrument [Line Items]

Schedule of Loans Balances

The outstanding Notes’ balances consisted of the following:

	September 30, 2021								December 31, 2020
	2029 Notes				2027 Notes				2027 Notes
	(in thousands)								(in thousands)
Liability component
Principal	$	747,500			$	550,000			$	550,000
Unamortized debt discount		(14,841	)			(9,964	)			(158,404	)
Unamortized debt issuance costs		—				(519	)			(8,160	)
Net carrying amount	$	732,659			$	539,517			$	383,436
Equity component, net of issuance costs									$	169,173

Schedule of Total Interest Expense Recognized Related to 2027 Notes

The following table sets forth the total interest expense recognized and effective interest rates related to the Notes for the current period:

		Three Months Ended September 30, 2021												Nine Months Ended September 30, 2021
		2029 Notes				2027 Notes				Total				2029 Notes				2027 Notes				Total
		(in thousands)												(in thousands)
Contractual interest expense		$	4,205			$	3,438			$	7,643			$	11,353			$	10,313			$	21,666
Amortization of debt discount			457				391				848				1,222				1,166				2,388
Amortization of debt issuance costs			—				23				23				—				70				70
Total interest and amortization expense		$	4,662			$	3,852			$	8,514			$	12,575			$	11,549			$	24,124
Effective interest rate			2.6	%			2.8	%							2.6	%			2.8	%

The following table sets forth the total interest expense recognized and effective interest rates related to the 2027 Notes for the comparative period:

		Three Months Ended				March 9, 2020 Through
		September 30, 2020				September 30, 2020
		(in thousands)
Contractual interest expense		$	3,361			$	7,715
Amortization of debt discount			4,612				10,186
Amortization of debt issuance costs			239				528
Total interest and amortization expense		$	8,212			$	18,429
Effective interest rate			8.8		%		8.8		%

Schedule of Future Minimum Payments

Future minimum payments under the Notes as of September 30, 2021 are as follows:

		2029 Notes				2027 Notes
		(in thousands)
Remainder of 2021		$	—			$	—
Year ending December 31:
2022			16,819				13,750
2023			16,819				13,750
2024			16,819				13,750
2025			16,819				13,750
Thereafter			806,366				570,625
Total future payments			873,642				625,625
Less amounts representing interest			(126,142	)			(75,625	)
Total principal amount		$	747,500			$	550,000

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