Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements and Derivatives - Effects of Cash Flow Hedge Accounting on Consolidated Statements of Operations (Details)

v3.25.1
Fair Value Measurements and Derivatives - Effects of Cash Flow Hedge Accounting on Consolidated Statements of Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Other Comprehensive Income $ 30,825 $ 47,253
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (4,073) 3,333
Fuel 1,303,938 1,387,423
Depreciation and amortization 231,297 222,929
Interest expense, net (217,872) (218,177)
Other income (expense), net (24,505) 18,137
Fuel    
Derivative Instruments, Gain (Loss) [Line Items]    
Fuel 175,014 197,734
Cash Flow Hedging    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Other Comprehensive Income 30,825 47,253
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (4,073) 3,333
Cash Flow Hedging | Fuel    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income 290 6,577
Cash Flow Hedging | Depreciation and amortization    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (4,119) (4,119)
Cash Flow Hedging | Other income (expense), net    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (244) 875
Cash Flow Hedging | Fuel contracts    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Other Comprehensive Income 10,672 47,253
Cash Flow Hedging | Fuel contracts | Fuel    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income 290 6,577
Cash Flow Hedging | Fuel contracts | Other income (expense), net    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of gain (loss) reclassified from accumulated other comprehensive income (loss) into income (expense) as a result that a forecasted transaction is no longer probable of occurring (244) 875
Cash Flow Hedging | Foreign currency contracts    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Recognized in Other Comprehensive Income 20,153  
Cash Flow Hedging | Foreign currency contracts | Depreciation and amortization    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income $ (4,119) $ (4,119)