Fair Values of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2025

Fair Value Disclosures [Abstract]

Estimated Fair Value of Outstanding Debt Balances

The estimated fair value of our outstanding debt balances as of March 31, 2025 and December 31, 2024 is set forth below (in thousands):

	March 31, 2025				December 31, 2024
	Carrying Value		Fair Value		Carrying Value		Fair Value
3.95% Senior Notes Due 2028	$	482,505	$	469,312	$	482,505	$	461,720
5.15% Senior Notes Due 2029	344,895		342,152		344,895		336,490
7.15% Senior Notes Due 2033	400,000		422,195		400,000		419,265
Equipment Loans Due 2025	3,219		3,234		6,395		6,424
Total debt	$	1,230,619	$	1,236,893	$	1,233,795	$	1,223,899

Implied Market Rates of Interest Used to Determine the Fair Value of Outstanding Debt

The implied market rates of interest used to determine the fair value of our outstanding debt balances as of March 31, 2025 and December 31, 2024 are set forth below:

	March 31, 2025		December 31, 2024
3.95% Senior Notes Due 2028	5.00	%	5.49	%
5.15% Senior Notes Due 2029	5.35	%	5.73	%
7.15% Senior Notes Due 2033	6.30	%	6.42	%
Equipment Loans Due 2025	4.95	%	5.28	%