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Financial Instruments and Risk Management (Fuel Option Contracts Narrative) (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 USD ($) gal $ / gal | Dec. 31, 2023 USD ($)
Derivatives | Fuel Options |  |
Disclosure of detailed information about hedged items [line items] |  |
Financial assets, at fair value | $ | $ (0.1) | $ (0.2)
Fuel Contract | Commodity price risk | 2024 |  |
Disclosure of detailed information about hedged items [line items] |  |
Number of Gallons Subject to Contract | gal | 1,512,000 |
Fuel Contract | Top of range | Commodity price risk | 2024 |  |
Disclosure of detailed information about hedged items [line items] |  |
Price per gallon of fuel (in USD per gallon) | 2.33 |
Fuel Contract | Bottom of range | Commodity price risk | 2024 |  |
Disclosure of detailed information about hedged items [line items] |  |
Price per gallon of fuel (in USD per gallon) | 2.50 |

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