Fair Value Measurements and Derivatives - Consolidated financial statements of fuel swaps dedesignated and immediately recognized into earnings (Details 3) - Reclassification out of Accumulated Other Comprehensive Income - Fuel Swaps - Not Designated as Hedging Instrument - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
|
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
| Loss recognized in other income (expense), net | $ 0 | $ (179) | $ 0 | $ (271) |
| Amount reclassified from accumulated other comprehensive income (loss) into other income (expense), net | $ 0 | $ 0 | $ 0 | $ 2,994 |
| X | ||||||||||
- Definition Amount of decrease in the fair value of derivatives recognized in the income statement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of revenue and income classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|