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Fair Value Measurements (Changes in Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Derivatives Fair Value [Line Items] |  |  |
Net change in cash flow derivative hedges—net of tax | [1] | $ 362 | $ 1,288
Fuel Hedge Contracts [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Reclassification of derivative losses (gains) to earnings - net of tax |  | (120) | 122
Change in fair value of derivatives—net of tax |  | 451 | 2,011
Net change in cash flow derivative hedges—net of tax |  | 571 | 1,889
Foreign Currency Exchange Hedge Contracts [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Reclassification of derivative losses (gains) to earnings - net of tax |  |  | (36)
Change in fair value of derivatives—net of tax |  |  | (637)
Net change in cash flow derivative hedges—net of tax |  |  | $ (601)
Interest Rate Swaps [Member] |  |  |
Derivatives Fair Value [Line Items] |  |  |
Reclassification of derivative losses (gains) to earnings - net of tax |  | (68) |
Change in fair value of derivatives—net of tax |  | (141) |
Net change in cash flow derivative hedges—net of tax |  | $ (209) |
[1] | Net of income tax provision of $123 and $435 for the three months ended March 31, 2025 and 2024, respectively.

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