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Reorganization (Narrative) (Details)	12 Months Ended
Reorganization (Narrative) (Details)	Dec. 31, 2011
Reorganization [Line Items]
Aircraft leases rejected	24
Additional aircraft leases rejected	9
MD-80 Aircraft [Member]
Reorganization [Line Items]
Aircraft leases rejected	20
Additional aircraft leases rejected	one
Fokker 100 Aircraft [Member]
Reorganization [Line Items]
Aircraft leases rejected	4
Boeing 757-200 Aircraft [Member]
Reorganization [Line Items]
Additional aircraft leases rejected	seven
Airbus A300-600R Aircraft [Member]
Reorganization [Line Items]
Additional aircraft leases rejected	one
Boeing 737-800, 757-200, 767-300ER And 777-200ER Models [Member]
Reorganization [Line Items]
Aircraft leases retained	350