Long-Term Debt (Tables)

9 Months Ended

Sep. 30, 2024

Debt Disclosure [Abstract]

Outstanding Long-Term Debt

Our outstanding long-term debt is shown below: 

	September 30,		December 31,
(in thousands)	2024		2023
Uncollateralized senior notes:
5.68% notes, due June 2026	$	5,800	$	8,700
6.39% notes, due December 2026	100,000		100,000
6.44% notes, due December 2027	100,000		100,000
6.43% notes, due May 2028	2,800		3,500
3.73% notes, due December 2028	10,000		10,000
6.45% notes, due December 2028	100,000		100,000
3.88% notes, due May 2029	25,000		30,000
6.62% notes, due December 2030	100,000		100,000
3.25% notes, due April 2032	54,250		59,500
6.71% notes, due December 2033	100,000		100,000
2.98% notes, due December 2034	70,000		70,000
3.00% notes, due July 2035	50,000		50,000
2.96% notes, due August 2035	40,000		40,000
2.49% notes, due January 2037	50,000		50,000
5.43% notes, due March 2038	80,000		80,000
3.48% notes, due May 2038	50,000		50,000
3.58% notes, due November 2038	50,000		50,000
6.73% notes, due December 2038	50,000		50,000
3.98% notes, due August 2039	100,000		100,000
2.95% notes, due March 2042	50,000		50,000
Equipment security note
2.46% note, due September 2031	6,957		7,633
Less: debt issuance costs	(3,329)		(3,753)
Total long-term debt	1,191,478		1,205,580
Less: current maturities	(18,522)		(18,505)
Total long-term debt, net of current maturities	$	1,172,956	$	1,187,075