Name:	skyw_AmountReceivableFromSaleOfEquityMethodInvestmentsDueInThirdInstallment
Namespace Prefix:	skyw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the annual rate of return used to calculate the put option price.

No definition available.

Name:	skyw_CostMethodInvestmentPutOptionPriceInterestRatePercent
Namespace Prefix:	skyw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the number of installment payments received under the purchase agreement.

No definition available.

Name:	skyw_EquityMethodInvestmentNumberOfInstallmentPaymentsReceivedUnderPurchaseAgreement
Namespace Prefix:	skyw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents number of installments scheduled for payment under purchase agreement.

No definition available.

Name:	skyw_EquityMethodInvestmentNumberOfInstallmentsUnderPurchaseAgreementForPurchasePricePayment
Namespace Prefix:	skyw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Represents percentage ownership acquisition option given by purchaser of the shares under purchase agreement.

No definition available.

Name:	skyw_EquityMethodInvestmentOptionOfPercentageOwnershipAcquisitionReceivedUnderPurchaseAgreement
Namespace Prefix:	skyw_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Description of the period of time over which an entity has right to exercise an option of percentage ownership acquisition, which may be expressed in a variety of ways (for example, in years, month and year).

No definition available.

Name:	skyw_EquityMethodInvestmentOptionOfPercentageOwnershipAcquisitionUnderPurchaseAgreementExercisePeriod
Namespace Prefix:	skyw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents term of scheduled payment under purchase agreement.

No definition available.

Name:	skyw_EquityMethodInvestmentPurchaseAgreementPaymentTerm
Namespace Prefix:	skyw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6872867&loc=d3e40691-111596

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 325

-SubTopic 20

-Section 35

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=29638308&loc=d3e40346-111594

Name:	us-gaap_CostMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

This item represents the gain (loss) realized during the period from the sale of investments accounted for under the cost method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph c

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 7

-Subparagraph d

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 9

-Article 5

Name:	us-gaap_CostmethodInvestmentsRealizedGainLossExcludingOtherThanTemporaryImpairments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfEquityMethodInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

No definition available.