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v3.6.0.2

Related-Party Transactions (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2016 USD ($) aircraft | Dec. 31, 2012 aircraft | Dec. 31, 2015 USD ($)
Zions Bancorporation |  |  |
Related Party Transactions |  |  |
Refinancing term |  | 5 years |
Cash balance with related party | $ | $ 116,000,000 |  | $ 65,000,000
Investment balance with related party | $ | $ 121,600,000 |  | $ 121,600,000
Zions Bancorporation | CRJ 200 |  |  |
Related Party Transactions |  |  |
Equity participation in leveraged leases on number of aircraft | 1 |  |
Number of refinanced aircraft |  | 5 |
Zions Bancorporation | CRJ 700 |  |  |
Related Party Transactions |  |  |
Equity participation in leveraged leases on number of aircraft | 2 |  |
Number of refinanced aircraft |  | 2 |
Affiliated entity |  |  |
Related Party Transactions |  |  |
Purchase from related party | $ | $ 244,540 |  |

X
- Definition Represents the cash balance held with the related party as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | skyw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the number of aircraft under leveraged leases in which the related party is an equity participant. + References No definition available. + Details
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Namespace Prefix: | skyw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the investment balance held with the related party as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | skyw_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the number of refinanced aircraft of the entity. + References No definition available. + Details
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Namespace Prefix: | skyw_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the refinancing term. + References No definition available. + Details
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Namespace Prefix: | skyw_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Purchases during the period (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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- Details
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Namespace Prefix: |
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Balance Type: |
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X
- Details
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Balance Type: |
Period Type: |