Long-term Debt (Tables)

6 Months Ended

Jun. 30, 2024

Debt Disclosure [Abstract]

Summary of Outstanding Principal Amount and Carrying Value

The following table presents the outstanding principal amount and carrying value of the 2021 Notes as of the dates indicated (in thousands):

	June 30, 2024							December 31, 2023
	Principal Amount		Unamortized debt issuance costs			Net Carrying Amount		Principal Amount		Unamortized debt issuance costs			Net Carrying Amount
2021 Notes		287,500		(4,830	)		282,670		287,500		(5,645	)		281,855

Schedule of Notes

Further details of the 2021 Notes are as follows:

Issuance	Maturity Date	Interest Rate	First Interest Payment Date	Effective Interest Rate	Semi-Annual Interest Payment Dates	Initial Conversion Rate per $1,000 Principal	Initial Conversion Price		Number of Shares (in millions)
2021 Notes	May 15, 2027	1.125%	May 15, 2022	1.72%	May 15; November 15	9.0061	$	111.04	2.6

Schedule of Interest Expense

Interest expense related to the Notes was as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2024		2023		2024		2023
	2021 Notes		2021 Notes		2021 Notes		2021 Notes
Amortization of debt issuance costs		409		402		816		802
Cash interest expense		808		809		1,617		1,618
Total interest expense	$	1,217	$	1,211	$	2,433	$	2,420