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v3.3.1.900

Nature of Operations and Summary of Significant Accounting Policies (Details 9) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2015 USD ($) $ / shares shares | Sep. 30, 2015 USD ($) $ / shares shares | Jun. 30, 2015 USD ($) $ / shares shares | Mar. 31, 2015 USD ($) $ / shares shares | Dec. 31, 2014 USD ($) $ / shares shares | Sep. 30, 2014 USD ($) $ / shares shares | Jun. 30, 2014 USD ($) $ / shares shares | Mar. 31, 2014 USD ($) $ / shares shares | Dec. 31, 2015 USD ($) segment $ / shares shares | Dec. 31, 2014 USD ($) $ / shares shares | Dec. 31, 2013 USD ($) $ / shares shares
Net Income (loss) Per Common Share |  |  |  |  |  |  |  |  |  |  |
Number of outstanding options not included in computation of Diluted EPS (in shares) | shares |  |  |  |  |  |  |  |  | 505,000 | 3,191,000 | 3,072,000
Numerator |  |  |  |  |  |  |  |  |  |  |
Net Income (loss) | $ 40,454 | $ 36,268 | $ 31,475 | $ 9,620 | $ (27,868) | $ 41,338 | $ (14,737) | $ (22,887) | $ 117,817 | $ (24,154) | $ 58,956
Denominator |  |  |  |  |  |  |  |  |  |  |
Denominator for basic earnings per-share weighted average shares | shares | 50,880,000 | 50,616,000 | 51,357,000 | 51,457,000 | 51,174,000 | 51,127,000 | 51,183,000 | 51,467,000 | 51,077,000 | 51,237,000 | 51,688,000
Dilution due to stock options and restricted stock (in shares) | shares |  |  |  |  |  |  |  |  | 748,000 |  | 734,000
Denominator for diluted earnings per-share weighted average shares | shares | 51,657,000 | 51,282,000 | 51,971,000 | 52,392,000 | 51,174,000 | 52,036,000 | 51,183,000 | 51,467,000 | 51,825,000 | 51,237,000 | 52,422,000
Basic earnings per share (in dollars per share) | $ / shares | $ 0.80 | $ 0.72 | $ 0.61 | $ 0.19 | $ (0.54) | $ 0.81 | $ (0.29) | $ (0.44) | $ 2.31 | $ (0.47) | $ 1.14
Diluted earnings per share (in dollars per share) | $ / shares | $ 0.78 | $ 0.71 | $ 0.61 | $ 0.18 | $ (0.54) | $ 0.79 | $ (0.29) | $ (0.44) | $ 2.27 | $ (0.47) | $ 1.12
Other Revenue Items |  |  |  |  |  |  |  |  |  |  |
Deemed rental income under code-share agreement |  |  |  |  |  |  |  |  | $ 504,900 | $ 497,000 | $ 500,200
Fair Value of Financial Instruments |  |  |  |  |  |  |  |  |  |  |
Fair value of long-term debt | $ 1,939,800 |  |  |  | $ 1,813,100 |  |  |  | 1,939,800 | 1,813,100 |
Carrying amount of long-term debt | 1,948,803 |  |  |  | $ 1,745,811 |  |  |  | $ 1,948,803 | $ 1,745,811 |
Segment Reporting |  |  |  |  |  |  |  |  |  |  |
Operating segments number | segment |  |  |  |  |  |  |  |  | 3 |  |
Recent Accounting Pronouncements |  |  |  |  |  |  |  |  |  |  |
Unamortized debt issuance costs | $ 20,900 |  |  |  |  |  |  |  | $ 20,900 |  |
Previously reported |  |  |  |  |  |  |  |  |  |  |
Prior Period Adjustment [Abstract] |  |  |  |  |  |  |  |  |  |  |
Overstatement of prepaid expense |  |  |  |  |  |  |  |  | 201,500 |  |
Understatement of long term prepaid aircraft |  |  |  |  |  |  |  |  | $ 201,500 |  |

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