Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2024

Debt Disclosure [Abstract]

Summary of Long-term Debt

The following table summarizes the Company’s long-term debt:

	June 30,			December 31,
	2024			2023
4.75% Convertible Senior Notes, due June 1, 2042	$	172,500		$	172,500
4.25% Convertible Senior Notes, due March 1, 2037 (a)		—			23,916
4.55% Promissory Note, due through August 1, 2036		4,561			4,700
5.50% Promissory Note, due through July 1, 2033		11,790			11,906
Finance lease liabilities, due through October 15, 2024		1			2
Total principal amount		188,852			213,024
Less: unamortized issuance costs		(3,940	)		(4,529	)
Total long-term debt	$	184,912		$	208,495

(a)Notes converted or redeemed during the first quarter of 2024

Summary of Future Maturities of Long-Term Debt

The following table summarizes future maturities of long-term debt as of June 30, 2024, which takes into consideration the assumption that the 4.75% Convertible Senior Notes are repurchased at their next earliest call date:

Due in 12 months following June 30,
2024	$	530
2025		556
2026		585
2027		173,114
2028		646
Thereafter		13,421
Total	$	188,852

Schedule of Interest Expense Related to Long-Term Debt

Information with respect to interest expense related to long-term debt is as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2024		2023		2024		2023
Interest Expense:
Contractual interest	$	2,264	$	2,367	$	4,382	$	4,864
Non-cash expense (b)		296		277		589		556
Total	$	2,560	$	2,644	$	4,971	$	5,420