Quarterly report [Sections 13 or 15(d)]

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

v3.25.1
Fair Value Measurements and Derivatives - Effects of Derivatives Designated as Cash Flow Hedges (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income $ (4,073) $ 3,333
Cash Flow Hedging [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (4,073) 3,333
Cash Flow Hedging [Member] | 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 [Member] | Other Nonoperating Income (Expense) [Member]    
Derivative Instruments, Gain (Loss) [Line Items]    
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income (Loss) into Income (244) 875
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 (4,119) (4,119)
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 290 6,577
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 $ (4,119) $ (4,119)