Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Commitments And Contingencies (Unrecorded Contractual Commitments For The Purchase Of Flight Equipment) (Details)

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Commitments And Contingencies (Unrecorded Contractual Commitments For The Purchase Of Flight Equipment) (Details) - Purchase Obligations [Member]
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
item
Unrecorded Unconditional Purchase Obligation [Line Items]  
Unrecorded Number of forward orders | item 413
Unrecorded Number of purchase-leaseback transactions | item 34
Flight Equipment Held For Operating Leases [Member]  
Unrecorded Unconditional Purchase Obligation [Line Items]  
2016 $ 3,883,380
2017 5,647,627
2018 5,817,938
2019 4,484,003
2020 3,608,082
Thereafter 3,017,180
Total $ 26,458,210