Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) (Details) - SKYWEST, INC. EMPLOYEES' RETIREMENT PLAN
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12 Months Ended |
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Dec. 31, 2025
USD ($)
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
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| Entity tax identification number |
87-0292166
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| Plan number |
001
|
| Notes receivable from participants |
$ 15,373,677
|
| Total Investments and Loans |
$ 1,669,678,387
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| Maximum |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
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| Interest rates of notes receivable from participants |
9.50%
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| Minimum |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
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| Interest rates of notes receivable from participants |
4.25%
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| Investment, Identifier [Axis]: Capital Group American Funds EUPAC Fund Class R-6 |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:CapitalGroupMember
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| Current Value |
$ 44,954,786
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: Dodge & Cox Dodge & Cox Income X |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:DodgeCoxMember
|
| Current Value |
$ 41,522,531
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: Fidelity Fidelity Inflation-Protected Bond Index |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
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| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:FidelityMember
|
| Current Value |
$ 3,307,343
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: Fidelity Fidelity Low Priced Stock Fund K6 |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:FidelityMember
|
| Current Value |
$ 29,458,130
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: JPMorgan JPMorgan Mid Cap Value R6 |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:JpMorganMember
|
| Current Value |
$ 16,119,942
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: MFS MFS International Intrinsic Value R3 |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:MfsMember
|
| Current Value |
$ 33,410,911
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: MFS MFS Value R3 |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:MfsMember
|
| Current Value |
$ 50,267,224
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: PIMCO PIMCO Income Institutional |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:JpMorganMember
|
| Current Value |
$ 19,697,663
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: SkyWest, Inc. Interest-bearing cash equivalents |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:SkywestInc.Member
|
| Current Value |
$ 1,494,515
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
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| Investment, Identifier [Axis]: SkyWest, Inc. SkyWest, Inc. Common Stock Fund |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:SkywestInc.Member
|
| Current Value |
$ 47,116,991
|
| EBP, Asset Held for Investment, Party-in-Interest [true false] |
true
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Blue Chip Growth Trust T2 |
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| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 146,348,894
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Diversified Mid-Cap Growth Fund I |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 43,251,026
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price International Discovery |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 14,186,102
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2005 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 1,606,128
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2010 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 1,986,599
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2015 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 1,965,252
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2020 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 10,727,222
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2025 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 30,523,095
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2030 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 80,745,270
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2035 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 80,307,421
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2040 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 92,897,810
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2045 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 84,852,498
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2050 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 63,358,491
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2055 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 48,649,412
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2060 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 42,114,388
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement 2065 Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 9,810,202
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Retirement Balanced Fund Trust C |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 931,778
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: T. Rowe Price T. Rowe Price Stable Value Common Trust P |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:T.RowePriceMember
|
| Current Value |
$ 54,342,959
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: The Vanguard Group Vanguard Cash Reserves Federal Money Market Fund |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VanguardGroupMember
|
| Current Value |
$ 13,820,207
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: The Vanguard Group Vanguard Emerging Mkts Stock Index Admiral |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VanguardGroupMember
|
| Current Value |
$ 7,063,351
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: The Vanguard Group Vanguard Equity Income Admiral |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VanguardGroupMember
|
| Current Value |
$ 10,744,575
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: The Vanguard Group Vanguard Extended Market Index Inst |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VanguardGroupMember
|
| Current Value |
$ 42,448,625
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: The Vanguard Group Vanguard Federal Money Market Fund |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VanguardGroupMember
|
| Current Value |
$ 130,370
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: The Vanguard Group Vanguard Institutional Index Instl Plus |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VanguardGroupMember
|
| Current Value |
$ 235,257,141
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: The Vanguard Group Vanguard Real Estate Index Admiral |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VanguardGroupMember
|
| Current Value |
$ 6,411,503
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: The Vanguard Group Vanguard Total Bond Market Index Inst |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VanguardGroupMember
|
| Current Value |
$ 16,347,612
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: The Vanguard Group Vanguard Total Intl Stock Index Instl |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VanguardGroupMember
|
| Current Value |
$ 17,633,999
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: Various Self-Directed Brokerage Accounts |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:VariousMember
|
| Current Value |
$ 136,687,708
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: Wasatch Global Investors Wasatch Small Cap Growth Fund |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:WasatchGlobalInvestorsMember
|
| Current Value |
$ 34,053,717
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|
| Investment, Identifier [Axis]: Wasatch Global Investors Wasatch Small Cap Value I |
|
| Form 5500, Schedule H, Part IV, Line 4i - Schedule of Assets (Held at End of Year) |
|
| EBP, Investment, Issuer Name [Extensible Enumeration] |
skyw:WasatchGlobalInvestorsMember
|
| Current Value |
$ 37,751,319
|
| EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Participation Status [Extensible Enumeration] |
us-gaap-ebp:EmployeeBenefitPlanParticipantDirectedMember
|