Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2014 segment
Accounting Policies [Abstract]
Number of Operating Segments	1
Passenger Aircraft
Property, Plant and Equipment [Line Items]
Estimated useful life	25 years
Estimated residual value	15.00%
Freighter Aircraft | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	30 years
Estimated residual value	5.00%
Freighter Aircraft | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	35 years
Estimated residual value	10.00%
Flight Equipment | Minimum | Property Subject to Operating Lease
Property, Plant and Equipment [Line Items]
Operating Leases, Term of Contract	3 years
Flight Equipment | Maximum | Property Subject to Operating Lease
Property, Plant and Equipment [Line Items]
Operating Leases, Term of Contract	7 years
Leasehold Improvements, Furnishings and Equipment | Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life	3 years
Leasehold Improvements, Furnishings and Equipment | Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life	5 years
Variable Interest Entity, Primary Beneficiary
Property, Plant and Equipment [Line Items]
Number of VIE's consolidated	7