|
Financial Derivative Instruments and Risk Management - Effect of Fuel Derivative Instruments in the Condensed Consolidated Statements of Operations (Details) (Energy Related Derivative, USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
|
| Designated as Hedging Instrument | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Total impact to the consolidated statements of operations | $ (15,215) | $ (128) |
| Designated as Hedging Instrument | Jet Fuel | Aircraft Fuel Expense | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Total impact to the consolidated statements of operations | (15,215) | (128) |
| Not Designated as Hedging Instrument | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Total impact to the consolidated statements of operations | (447) | (452) |
| Not Designated as Hedging Instrument | Jet Fuel | Aircraft Fuel Expense | ||
| Derivative Instruments, Gain (Loss) [Line Items] | ||
| Total impact to the consolidated statements of operations | $ (447) | $ (452) |