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Fair Values of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2025

Fair Value Disclosures [Abstract]

Schedule of Estimated Fair Value of Outstanding Debt Balances

The estimated fair value of our outstanding debt balances as of June 30, 2025 and December 31, 2024 is set forth below (in thousands):

			June 30, 2025												December 31, 2024
			Carrying Value						Fair Value						Carrying Value						Fair Value
3.95% Senior Notes Due 2028			$	482,505					$	467,706					$	482,505					$	461,720
5.15% Senior Notes Due 2029			344,895						340,174						344,895						336,490
7.15% Senior Notes Due 2033			400,000						411,226						400,000						419,265
Equipment Loans Due 2025			—						—						6,395						6,424
Total debt			$	1,227,400					$	1,219,106					$	1,233,795					$	1,223,899

Schedule of 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 June 30, 2025 and December 31, 2024 are set forth below:

			June 30, 2025						December 31, 2024
3.95% Senior Notes Due 2028			5.24		%				5.49		%
5.15% Senior Notes Due 2029			5.51		%				5.73		%
7.15% Senior Notes Due 2033			6.70		%				6.42		%
Equipment Loans Due 2025			—		%				5.28		%

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- Definition

Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 103
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-103

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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X

- Definition

Tabular disclosure of liabilities measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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