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Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 segment | Jun. 30, 2012 | Dec. 31, 2012
Segment Reporting |  |  |  |  |
Operating segments number |  |  | 2 |  |
Number of operating subsidiaries representing operating segments |  |  | 2 |  |
Segment Reporting |  |  |  |  |
Operating revenues | $ 839,130 | $ 937,214 | $ 1,642,617 | $ 1,858,388 |
Operating expense | 788,575 | 890,408 | 1,576,499 | 1,791,125 |
Depreciation and amortization expense | 61,174 | 64,182 | 122,174 | 128,497 |
Interest expense | 17,526 | 19,387 | 35,491 | 39,167 |
Segment profit (loss) | 33,029 | 27,419 | 30,627 | 28,096 |
Identifiable intangible assets, other than goodwill | 16,123 | 18,373 | 16,123 | 18,373 | 17,248
Total assets | 4,240,070 | 4,238,810 | 4,240,070 | 4,238,810 | 4,254,637
Capital expenditures (including non - cash) | 33,425 | 18,525 | 63,713 | 44,894 |
SkyWest |  |  |  |  |
Segment Reporting |  |  |  |  |
Operating revenues | 463,068 | 509,135 | 912,413 | 1,004,046 |
Operating expense | 411,917 | 467,497 | 826,683 | 940,403 |
Depreciation and amortization expense | 38,839 | 38,646 | 77,464 | 77,429 |
Interest expense | 11,227 | 12,353 | 22,723 | 24,915 |
Segment profit (loss) | 39,924 | 29,285 | 63,007 | 38,728 |
Total assets | 2,656,855 | 2,604,012 | 2,656,855 | 2,604,012 |
Capital expenditures (including non - cash) | 21,952 | 13,946 | 44,362 | 36,353 |
ExpressJet |  |  |  |  |
Segment Reporting |  |  |  |  |
Operating revenues | 375,588 | 425,445 | 727,336 | 849,074 |
Operating expense | 374,431 | 421,640 | 746,174 | 848,192 |
Depreciation and amortization expense | 22,335 | 25,536 | 44,710 | 51,068 |
Interest expense | 5,362 | 5,959 | 10,825 | 12,005 |
Segment profit (loss) | (4,205) | (2,154) | (29,663) | (11,123) |
Identifiable intangible assets, other than goodwill | 16,123 | 18,373 | 16,123 | 18,373 |
Total assets | 1,583,215 | 1,634,798 | 1,583,215 | 1,634,798 |
Capital expenditures (including non - cash) | 11,473 | 4,579 | 19,351 | 8,541 |
Other |  |  |  |  |
Segment Reporting |  |  |  |  |
Operating revenues | 474 | 2,634 | 2,868 | 5,268 |
Operating expense | 2,227 | 1,271 | 3,642 | 2,530 |
Interest expense | 937 | 1,075 | 1,943 | 2,247 |
Segment profit (loss) | $ (2,690) | $ 288 | $ (2,717) | $ 491 |

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- Definition Total expenditures for additions to long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets of the reportable segment; if the amount: (a) is included in the determination of segment assets reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in the determination of segment assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 28 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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