Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.1
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, 2021
Mar. 31, 2020
Derivative Instruments Gain Loss [Line Items]    
Fuel $ 42,603 $ 125,024
Depreciation and amortization 170,316 198,197
Interest expense, net 824,441 68,907
Other income (expense), net 27,243 5,823
Other income (expense), net    
Derivative Instruments Gain Loss [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (10,190) (14,320)
Cash Flow Hedging    
Derivative Instruments Gain Loss [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (21,838) (21,999)
Cash Flow Hedging | Fuel    
Derivative Instruments Gain Loss [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (8,171) (6,217)
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 (1,267) (1,129)
Cash Flow Hedging | Interest expense, net    
Derivative Instruments Gain Loss [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (2,210) (333)
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 (8,171) (6,217)
Cash Flow Hedging | Fuel contracts | Other (Income) Expense, net    
Derivative Instruments Gain Loss [Line Items]    
Amount of loss reclassified from accumulated other comprehensive income (loss) into income as a result that a forecasted transaction is no longer probable of occurring (10,190) (14,320)
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 (1,267) (1,129)
Cash Flow Hedging | Interest rate contracts | Interest expense, net    
Derivative Instruments Gain Loss [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income $ (2,210) $ (333)