Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Net Income (Loss) | $ 8,998 | $ 31,598 | $ 156,509 | $ (74,235) |
| Other Comprehensive Income: | ||||
| Actuarially Determined Long-Term Liability Adjustments (Net of Tax: ($191), ($109), ($573), ($327)) | 652 | 378 | 1,955 | 1,134 |
| Unrealized (Loss) Gain on Investments in Available-for-Sale Securities (Net of Tax: $54, ($117), ($239), ($164)) | (184) | 406 | 816 | 569 |
| Other Comprehensive Income | 468 | 784 | 2,771 | 1,703 |
| Comprehensive Income (Loss) | $ 9,466 | $ 32,382 | $ 159,280 | $ (72,532) |
| X | ||||||||||
- Definition Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount after tax and reclassification adjustments of other comprehensive income (loss). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount, after tax and reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|