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Other Intangibles, Net (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Depreciation and amortization | $ 1,791,336 | $ 1,843,003 | $ 1,282,228
Customer Relationships And Tradename And Other Intangible Assets [Member] |  |  |
Depreciation and amortization | 31,900 | 33,700 | $ 21,300
Contractual Vendor Intangible Assets [Member] |  |  |
Utilization of intangible assets | 17,800 | 8,800 |
AeroTurbine, Inc. [Member] |  |  |
Tradename and other intangible assets impairment | $ 14,868 | $ 24,837 |

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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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