Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Summary of Long-term Debt

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

	December 31,
	2023			2022
4.75% Convertible Senior Notes, due June 1, 2042	$	172,500		$	172,500
4.25% Convertible Senior Notes, due March 1, 2037		23,916			23,916
3.90% Promissory Note (a)		—			9,072
3.75% Callable Promissory Note (b)		—			6,871
4.55% Promissory Note, due through August 1, 2036		4,700			4,968
5.50% Promissory Note, due through July 1, 2033		11,906			—
Finance lease liabilities, due through October 15, 2024		2			13
Total principal amount		213,024			217,340
Less: unamortized issuance costs		(4,529	)		(5,653	)
Total long-term debt	$	208,495		$	211,687

(a)Note assumed by 3rd party.

(b)Note fully repaid.

Summary of Future Maturities of Long-Term Debt

The following table summarizes future maturities of long-term debt as of December 31, 2023, which takes into consideration the assumption that the 4.75% Convertible Senior Notes and 4.25% Convertible Senior Notes are repurchased at their respective next earliest call dates:

Due in 12 months following December 31,
2023	$	518
2024		543
2025		570
2026		197,015
2027		630
Thereafter		13,748
Total	$	213,024

Schedule of Interest Expense Related to Long-Term Debt

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

	Years Ended December 31,
	2023		2022		2021
Interest Expense:
Contractual interest	$	9,906	$	6,835	$	5,384
Non-cash expense (a)		1,129		706		827
Total	$	11,035	$	7,541	$	6,211

(a)Represents amortization of debt issuance costs.