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 |