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Summary Of Significant Accounting Policies (Narrative) (Details) | 12 Months Ended |
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Dec. 31, 2016 USD ($) segment | Dec. 31, 2015 USD ($) | [1]
Summary Of Significant Accounting Policies [Line Items] |  |
Minimum aircraft age threshold for performance of impairment assessments | 5 years |
Other inventory minimum age threshold for consideration as excess inventory | 4 years |
Carrying value of engine and airframe parts and rotable and consumable parts | $ 0 |
Number of reportable segments | segment | 1 |
Debt issuance costs and debt discounts | $ 156,901,000 | $ 164,980,000
Flight Equipment [Member] |  |
Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life of asset, years | 25 years |
Percentage of estimates for residual values of original manufacture cost | 15.00% |
[1] | We retrospectively reclassified $165.0 million of debt issuance costs from other assets to a direct reduction of the debt liability as of December 31, 2015. See Note 3-Summary of significant accounting policies.

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- Definition Amount of unamortized debt discount (premium) and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399 + Details
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- Definition Gross amount of components of assembled products that can be sold directly or indirectly through sales of assembled products. + References 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 210.5-02.6) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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