Annual report [Section 13 and 15(d), not S-K Item 405]

Fair Value Measurements and Derivatives - Effects of Derivatives Designated as Cash Flow Hedges (Details)

v3.25.0.1
Fair Value Measurements and Derivatives - Effects of Derivatives Designated as Cash Flow Hedges (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income $ (4,923) $ 26,173 $ 96,865
Cash Flow Hedging [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Recognized in Other Comprehensive Loss (10,642) (1,773) (104,017)
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (4,923) 26,173 96,865
Cash Flow Hedging [Member] | Fuel      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income 12,321 39,138 104,250
Cash Flow Hedging [Member] | Depreciation and amortization      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (16,478) (12,819) (7,052)
Cash Flow Hedging [Member] | Interest Expense [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income     (40)
Cash Flow Hedging [Member] | Fuel contracts      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Recognized in Other Comprehensive Loss 9,482 (15,144) 106,994
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (766) (146) (293)
Cash Flow Hedging [Member] | Fuel contracts | Fuel      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income 12,321 39,138 104,250
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Recognized in Other Comprehensive Loss (20,124) 13,371 (211,011)
Cash Flow Hedging [Member] | Foreign Exchange Forward [Member] | Depreciation and amortization      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income $ (16,478) $ (12,819) (7,052)
Cash Flow Hedging [Member] | Interest Rate Contract [Member] | Interest Expense [Member]      
Derivative Instruments, Gain (Loss) [Line Items]      
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income     $ (40)