Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements and Derivatives - Derivatives Measured at Fair Value and Disclosed by Balance Sheet Location (Details)

v3.23.3
Fair Value Measurements and Derivatives - Derivatives Measured at Fair Value and Disclosed by Balance Sheet Location (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Derivatives, Fair Value [Line Items]    
Derivative assets, fair value $ 48,722 $ 60,794
Derivative liabilities, fair value 57,591 177,746
Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Derivative assets, fair value 49,166 65,096
Derivative liabilities, fair value 57,597 185,538
Not Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Derivative assets, fair value 639 84
Derivative liabilities, fair value   539
Fuel contracts | Designated as Hedging Instrument | Prepaid expenses and other assets    
Derivatives, Fair Value [Line Items]    
Derivative assets, fair value 41,928 53,224
Derivative liabilities, fair value 6 7,137
Fuel contracts | Designated as Hedging Instrument | Other long-term assets    
Derivatives, Fair Value [Line Items]    
Derivative assets, fair value 6,155 3,869
Derivative liabilities, fair value   655
Fuel contracts | Not Designated as Hedging Instrument | Prepaid expenses and other assets    
Derivatives, Fair Value [Line Items]    
Derivative assets, fair value 639 84
Derivative liabilities, fair value   348
Fuel contracts | Not Designated as Hedging Instrument | Other long-term assets    
Derivatives, Fair Value [Line Items]    
Derivative liabilities, fair value   191
Foreign currency contracts | Designated as Hedging Instrument | Prepaid expenses and other assets    
Derivatives, Fair Value [Line Items]    
Derivative assets, fair value   3,617
Foreign currency contracts | Designated as Hedging Instrument | Accrued expenses and other liabilities    
Derivatives, Fair Value [Line Items]    
Derivative assets, fair value 1,083 4,386
Derivative liabilities, fair value 57,591 177,746
Total derivatives    
Derivatives, Fair Value [Line Items]    
Derivative assets, fair value 49,805 65,180
Derivative liabilities, fair value $ 57,597 $ 186,077