Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2024

Debt Disclosure [Abstract]

Summary of Long-term Debt

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

	March 31,			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		4,631			4,700
5.50% Promissory Note, due through July 1, 2033		11,848			11,906
Finance lease liabilities, due through October 15, 2024		1			2
Total principal amount		188,980			213,024
Less: unamortized issuance costs		(4,236	)		(4,529	)
Total long-term debt	$	184,744		$	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 March 31, 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 March 31,
2024	$	524
2025		549
2026		577
2027		173,107
2028		638
Thereafter		13,585
Total	$	188,980

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
	March 31,
	2024		2023
Interest Expense:
Contractual interest	$	2,118	$	2,497
Non-cash expense (b)		293		279
Total	$	2,411	$	2,776

(b)Represents amortization of debt issuance costs.