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Passenger and Ground Handling Revenue (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 6 Months Ended | 1 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2007 Delta Connection Agreements | Jun. 30, 2012 Delta Connection Agreements rate agreement Y | Feb. 28, 2010 United Express Agreements Y aircraft | Nov. 12, 2010 ExpressJet Capacity Purchase Agreements aircraft
Agreements with other airlines |  |  |  |
Term of agreement (in years) |  | 15 | 5 |
Number of agreements for cross-termination rights |  | 2 |  |
Number of years after which the rate resets |  | 5 |  |
Anniversary of agreements which contractual rates shall not exceed the second lowest rate for all carriers (in years) |  | 5 |  |
Contractual Rate shall not exceed this number of rates from other carriers |  | 2 |  |
Approximate amount of receivables withheld related to certain irregular operations pre-tax expenses | $ 25 |  |  |
Number of aircraft operated |  |  | 14 | 227

X
- Definition Represents the number of years after which the rate will reset. + References No definition available. + Details
Name: | skyw_AdditionalYearsAfterWhichRateResets
Namespace Prefix: | skyw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | skyw_AgreementsWithOtherAirlinesLineItems
Namespace Prefix: | skyw_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Anniversary of agreements which contractual rates shall not exceed the second lowest rate for all carriers. + References No definition available. + Details
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Namespace Prefix: | skyw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contractual Rate shall not exceed this number of rates from other carriers. + References No definition available. + Details
Name: | skyw_ContractualRateMaximumOfAverageAllCarriers
Namespace Prefix: | skyw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of agreements required for cross-termination rights. + References No definition available. + Details
Name: | skyw_CrossTerminationRightsNumberOfAgreements
Namespace Prefix: | skyw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the amount of receivables withheld by the other entity in pursuant with discrepancy in providing services under the agreements. + References No definition available. + Details
Name: | skyw_LossContingenciesReimbursedExpensesWithheld
Namespace Prefix: | skyw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the number of aircrafts operated under the agreement. + References No definition available. + Details
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Namespace Prefix: | skyw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the period of agreement entered into by the entity. + References No definition available. + Details
Name: | skyw_TermsOfAgreement
Namespace Prefix: | skyw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration