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v2.4.1.9

Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 subsidiary segment | Dec. 31, 2013 | Dec. 31, 2012
Segment Reporting |  |  |  |  |  |  |  |  |  |  |
Operating segments number |  |  |  |  |  |  |  |  | 2 us-gaap_NumberOfOperatingSegments |  |
Number of operating subsidiaries representing operating segments |  |  |  |  |  |  |  |  | 2 skyw_NumberOfSubsidiariesRepresentingOperatingSegments |  |
Segment Reporting |  |  |  |  |  |  |  |  |  |  |
Operating revenues | $ 813,854 us-gaap_Revenues | $ 834,633 us-gaap_Revenues | $ 816,574 us-gaap_Revenues | $ 772,386 us-gaap_Revenues | $ 804,368 us-gaap_Revenues | $ 850,740 us-gaap_Revenues | $ 839,130 us-gaap_Revenues | $ 803,487 us-gaap_Revenues | $ 3,237,447 us-gaap_Revenues | $ 3,297,725 us-gaap_Revenues | $ 3,534,372 us-gaap_Revenues
Operating expense |  |  |  |  |  |  |  |  | 3,212,599 us-gaap_CostsAndExpenses | 3,144,614 us-gaap_CostsAndExpenses | 3,368,385 us-gaap_CostsAndExpenses
Depreciation and amortization expense |  |  |  |  |  |  |  |  | 259,642 us-gaap_DepreciationDepletionAndAmortization | 245,005 us-gaap_DepreciationDepletionAndAmortization | 251,958 us-gaap_DepreciationDepletionAndAmortization
Interest expense |  |  |  |  |  |  |  |  | 65,995 us-gaap_InterestExpense | 68,658 us-gaap_InterestExpense | 77,380 us-gaap_InterestExpense
Segment profit (loss) |  |  |  |  |  |  |  |  | (41,147)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 84,453 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 88,607 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Identifiable intangible assets, other than goodwill | 12,748 us-gaap_IntangibleAssetsNetExcludingGoodwill |  |  |  | 14,998 us-gaap_IntangibleAssetsNetExcludingGoodwill |  |  |  | 12,748 us-gaap_IntangibleAssetsNetExcludingGoodwill | 14,998 us-gaap_IntangibleAssetsNetExcludingGoodwill | 17,248 us-gaap_IntangibleAssetsNetExcludingGoodwill
Total assets | 4,409,928 us-gaap_Assets |  |  |  | 4,233,219 us-gaap_Assets |  |  |  | 4,409,928 us-gaap_Assets | 4,233,219 us-gaap_Assets | 4,254,637 us-gaap_Assets
Capital expenditures (including non - cash) |  |  |  |  |  |  |  |  | 696,923 us-gaap_PaymentsToAcquireProductiveAssets | 142,044 us-gaap_PaymentsToAcquireProductiveAssets | 94,840 us-gaap_PaymentsToAcquireProductiveAssets
SkyWest Airlines |  |  |  |  |  |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | 1,888,693 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 1,827,568 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 1,930,149 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember
Operating expense |  |  |  |  |  |  |  |  | 1,766,669 us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 1,644,129 us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 1,774,876 us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember
Depreciation and amortization expense |  |  |  |  |  |  |  |  | 171,183 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 155,667 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 153,915 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember
Interest expense |  |  |  |  |  |  |  |  | 44,385 us-gaap_InterestExpense / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 43,920 us-gaap_InterestExpense / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 49,208 us-gaap_InterestExpense / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember
Segment profit (loss) |  |  |  |  |  |  |  |  | 77,639 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 139,519 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 106,065 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember
Total assets | 3,019,799 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember |  |  |  | 2,532,431 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember |  |  |  | 3,019,799 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 2,532,431 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 2,633,369 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember
Capital expenditures (including non - cash) |  |  |  |  |  |  |  |  | 673,133 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 103,387 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember | 74,636 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = skyw_SkyWestAirlinesMember
Express Jet Airlines Inc |  |  |  |  |  |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | 1,346,859 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 1,466,341 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 1,593,527 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember
Operating expense |  |  |  |  |  |  |  |  | 1,446,050 us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 1,494,302 us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 1,588,400 us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember
Depreciation and amortization expense |  |  |  |  |  |  |  |  | 88,459 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 89,338 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 98,043 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember
Interest expense |  |  |  |  |  |  |  |  | 18,754 us-gaap_InterestExpense / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 21,034 us-gaap_InterestExpense / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 23,582 us-gaap_InterestExpense / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember
Segment profit (loss) |  |  |  |  |  |  |  |  | (117,945)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | (48,995)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | (18,455)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember
Identifiable intangible assets, other than goodwill | 12,748 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember |  |  |  | 14,998 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember |  |  |  | 12,748 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 14,998 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 17,248 us-gaap_IntangibleAssetsNetExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember
Total assets | 1,390,129 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember |  |  |  | 1,700,788 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember |  |  |  | 1,390,129 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 1,700,788 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 1,621,268 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember
Capital expenditures (including non - cash) |  |  |  |  |  |  |  |  | 23,790 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 38,657 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember | 20,204 us-gaap_PaymentsToAcquireProductiveAssets / us-gaap_StatementBusinessSegmentsAxis = skyw_ExpressJetAirlinesIncMember
Other Segments |  |  |  |  |  |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | 1,895 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | 3,816 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | 10,696 us-gaap_Revenues / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
Operating expense |  |  |  |  |  |  |  |  | (120)us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | 6,183 us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | 5,109 us-gaap_CostsAndExpenses / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
Interest expense |  |  |  |  |  |  |  |  | 2,856 us-gaap_InterestExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | 3,704 us-gaap_InterestExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | 4,590 us-gaap_InterestExpense / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember
Segment profit (loss) |  |  |  |  |  |  |  |  | $ (841)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | $ (6,071)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember | $ 997 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_StatementBusinessSegmentsAxis = us-gaap_AllOtherSegmentsMember

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