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

AeroTurbine restructuring (Charges in transaction, integrated and restructuring related expenses) (Details)

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AeroTurbine restructuring (Charges in transaction, integrated and restructuring related expenses) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]      
Lease termination fees $ (46,500) $ (63,200)  
Transaction, integration and restructuring related expenses 14,605 53,389 $ 58,913 [1]
Aero Turbine Restructuring Plan 2015 [Member]      
Restructuring Cost and Reserve [Line Items]      
Lease termination fees 7,645 0 0
Severance expenses and other 4,298 19,801 2,072
Leased engines impairment 2,662 15,392 22,402
Other intangible assets impairment 0 14,868 24,837
Write-down of fixed assets and consumable inventory 0 3,328 0
Transaction, integration and restructuring related expenses $ 14,605 $ 53,389 $ 49,311
[1] Includes $9.6 million of transaction and integration expenses related to the ILFC Transaction for the year ended December 31, 2015.