Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements and Derivatives - Consolidated financial statements of fuel swaps dedesignated and immediately recognized into earnings (Details 3)

v3.5.0.2
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 - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]        
Loss recognized in other income (expense) $ (92) $ (92)
Amount reclassified from accumulated other comprehensive income (loss) into other income (expense) $ 1,465 $ 10,000 $ 2,994 $ 10,000