Represents the number of subsidiaries representing operating segments.

No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

Total costs of sales and operating expenses for the period.

+ References

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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- Definition

This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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-Name Regulation S-X (SX)

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- Definition

Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

No definition available.

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- Definition

The cash outflow for purchases of and capital improvements on property, plant and equipment (capital expenditures), software, and other intangible assets.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014 subsidiary segment	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting
Operating segments number									2us-gaap_NumberOfOperatingSegments
Number of operating subsidiaries representing operating segments									2
Segment Reporting
Operating revenues	$ 813,854us-gaap_Revenues	$ 834,633us-gaap_Revenues	$ 816,574us-gaap_Revenues	$ 772,386us-gaap_Revenues	$ 804,368us-gaap_Revenues	$ 850,740us-gaap_Revenues	$ 839,130us-gaap_Revenues	$ 803,487us-gaap_Revenues	$ 3,237,447us-gaap_Revenues	$ 3,297,725us-gaap_Revenues	$ 3,534,372us-gaap_Revenues
Operating expense									3,212,599us-gaap_CostsAndExpenses	3,144,614us-gaap_CostsAndExpenses	3,368,385us-gaap_CostsAndExpenses
Depreciation and amortization expense									259,642	245,005	251,958
Interest expense									65,995us-gaap_InterestExpense	68,658us-gaap_InterestExpense	77,380us-gaap_InterestExpense
Segment profit (loss)									(41,147)	84,453	88,607
Identifiable intangible assets, other than goodwill	12,748				14,998				12,748	14,998	17,248
Total assets	4,409,928us-gaap_Assets				4,233,219us-gaap_Assets				4,409,928us-gaap_Assets	4,233,219us-gaap_Assets	4,254,637us-gaap_Assets
Capital expenditures (including non - cash)									696,923	142,044	94,840
SkyWest Airlines
Segment Reporting
Operating revenues									1,888,693	1,827,568	1,930,149
Operating expense									1,766,669	1,644,129	1,774,876
Depreciation and amortization expense									171,183	155,667	153,915
Interest expense									44,385	43,920	49,208
Segment profit (loss)									77,639	139,519	106,065
Total assets	3,019,799				2,532,431				3,019,799	2,532,431	2,633,369
Capital expenditures (including non - cash)									673,133	103,387	74,636
Express Jet Airlines Inc
Segment Reporting
Operating revenues									1,346,859	1,466,341	1,593,527
Operating expense									1,446,050	1,494,302	1,588,400
Depreciation and amortization expense									88,459	89,338	98,043
Interest expense									18,754	21,034	23,582
Segment profit (loss)									(117,945)	(48,995)	(18,455)
Identifiable intangible assets, other than goodwill	12,748				14,998				12,748	14,998	17,248
Total assets	1,390,129				1,700,788				1,390,129	1,700,788	1,621,268
Capital expenditures (including non - cash)									23,790	38,657	20,204
Other Segments
Segment Reporting
Operating revenues									1,895	3,816	10,696
Operating expense									(120)	6,183	5,109
Interest expense									2,856	3,704	4,590
Segment profit (loss)									$ (841)	$ (6,071)	$ 997