Quarterly report [Sections 13 or 15(d)]

Financial Derivative Instruments - Additional Information (Details)

v3.25.1
Financial Derivative Instruments - Additional Information (Details)
Gallons in Millions, $ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2025
USD ($)
Gallons
Dec. 31, 2024
USD ($)
Gallons
Financial Derivative Instruments [Abstract]    
Fuel gallons hedged | Gallons 2.3 2.9
Assets derivative fair value $ 0.1 $ 0.3
Firm commitment fair value 0.1 0.3
Cash collateral provided to counterparties $ 0.1 $ 0.3