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v2.4.1.9

Income Taxes (Details 2) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Statutory Federal income tax rate (as a percent) | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate |  |
Reconciliation between the statutory Federal income tax rate of 35% and the effective rate which is derived by dividing the provision (benefit) for income taxes by income (loss) before provision for income taxes |  |  |
Computed provision (benefit) for income taxes at the statutory rate | $ (5,720,000)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | $ 34,486,000 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | $ 30,064,000 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
State income tax provision (benefit), net of Federal income tax benefit | (107,000)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 2,867,000 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 2,220,000 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Non-deductible expenses | 3,865,000 us-gaap_IncomeTaxReconciliationNondeductibleExpense | 3,257,000 us-gaap_IncomeTaxReconciliationNondeductibleExpense | 2,919,000 us-gaap_IncomeTaxReconciliationNondeductibleExpense
Valuation allowance changes affecting the provision for income taxes | 5,981,000 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 1,430,000 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 1,614,000 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Foreign income taxes, net of federal & state benefit | 1,973,000 us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential |  |
Other, net | 1,819,000 us-gaap_IncomeTaxReconciliationOtherAdjustments | (2,464,000)us-gaap_IncomeTaxReconciliationOtherAdjustments | (2,078,000)us-gaap_IncomeTaxReconciliationOtherAdjustments
Provision for income taxes | 7,811,000 us-gaap_IncomeTaxExpenseBenefit | 39,576,000 us-gaap_IncomeTaxExpenseBenefit | 34,739,000 us-gaap_IncomeTaxExpenseBenefit
Deferred tax assets: |  |  |
Intangible Asset | 34,819,000 skyw_DeferredTaxAssetsIntangibleAssets | 36,164,000 skyw_DeferredTaxAssetsIntangibleAssets |
Accrued benefits | 43,853,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits | 40,850,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits |
Net operating loss carryforward | 152,361,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 85,885,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |
AMT credit carryforward | 17,590,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax | 17,649,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax |
Deferred aircraft credits | 53,797,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness | 44,350,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness |
Accrued reserves and other | 27,008,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther | 30,987,000 us-gaap_DeferredTaxAssetsTaxDeferredExpenseOther |
Total deferred tax assets | 329,428,000 us-gaap_DeferredTaxAssetsGross | 255,885,000 us-gaap_DeferredTaxAssetsGross |
Valuation allowance | (9,025,000)us-gaap_DeferredTaxAssetsValuationAllowance | (3,044,000)us-gaap_DeferredTaxAssetsValuationAllowance |
Deferred tax liabilities: |  |  |
Accelerated depreciation | (895,405,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment | (824,149,000)us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment |
Total deferred tax liabilities | (895,405,000)us-gaap_DeferredIncomeTaxLiabilities | (824,149,000)us-gaap_DeferredIncomeTaxLiabilities |
Net deferred tax liability | (575,002,000)us-gaap_DeferredTaxAssetsLiabilitiesNet | (571,308,000)us-gaap_DeferredTaxAssetsLiabilitiesNet |
Paint Facility [Member] |  |  |
Reconciliation between the statutory Federal income tax rate of 35% and the effective rate which is derived by dividing the provision (benefit) for income taxes by income (loss) before provision for income taxes |  |  |
Unrecorded tax benefits | $ 3,400,000 us-gaap_UnrecognizedTaxBenefits / us-gaap_PropertyPlantAndEquipmentByTypeAxis = skyw_PaintFacilityMember |  |

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