FINANCIAL DERIVATIVE INSTRUMENTS - Fuel Hedging (Details) gal in Millions	12 Months Ended
Dec. 31, 2023 gal
2024
Volume of Fuel Hedging
Fuel Hedged (in gallons)	1,265
2025
Volume of Fuel Hedging
Fuel Hedged (in gallons)	1,033
2026
Volume of Fuel Hedging
Fuel Hedged (in gallons)	358

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