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

Represents the age required to be completed by the employee to be eligible to participate in the plan.

No definition available.

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

Description of the estimated period of time over which an employee is required to provide service to participate in the defined benefit plan.

No definition available.

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

Represents the maximum benefit plan percentage of participants compensation eligible for employer matching contribution based on position and years of service.

No definition available.

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

Represents the minimum benefit plan percentage of participants compensation eligible for employer matching contribution based on position and years of service.

No definition available.

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

Amount of contribution received by defined benefit plan from employer which increases plan assets.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
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-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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

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.

No definition available.