XML 53 R42.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Fair Values of Financial Instruments (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Fair Value Disclosures [Abstract] |
Estimated Fair Value of Outstanding Debt Balances | The estimated fair value of our outstanding debt balances as of March 31, 2024 and December 31, 2023 is set forth below (in thousands):
| March 31, 2024 |  | December 31, 2023
| Carrying Value |  | Fair Value |  | Carrying Value |  | Fair Value
3.95% Senior Notes Due 2028 | $ | 482,505 |  |  | $ | 459,274 |  |  | $ | 482,505 |  |  | $ | 450,540 |
5.15% Senior Notes Due 2029 | 344,895 |  |  | 337,487 |  |  | 344,895 |  |  | 329,032 |
7.15% Senior Notes Due 2033 | 400,000 |  |  | 430,206 |  |  | 400,000 |  |  | 424,946 |
Equipment Loans Due 2025 | 14,661 |  |  | 15,713 |  |  | 18,686 |  |  | 18,766 |
Total debt | $ | 1,242,061 |  |  | $ | 1,242,680 |  |  | $ | 1,246,086 |  |  | $ | 1,223,284 |
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, 2024 and December 31, 2023 are set forth below:
| March 31, 2024 |  | December 31, 2023
3.95% Senior Notes Due 2028 | 5.55 | % |  | 5.79 | %
5.15% Senior Notes Due 2029 | 5.60 | % |  | 6.10 | %
7.15% Senior Notes Due 2033 | 6.09 | % |  | 6.28 | %
Equipment Loans Due 2025 | 5.67 | % |  | 5.36 | %

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb) -SubTopic 10 -Topic 820 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
Name: | us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration