Lease Rental Revenues and Flight Equipment Held for Lease (Details 1) - Lease Rental Revenue - Geographic Concentration Risk	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	100.00%	100.00%	100.00%	100.00%
Asia and Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	24.00%	22.00%	23.00%	23.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	35.00%	40.00%	38.00%	40.00%
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	9.00%	7.00%	8.00%	6.00%
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	20.00%	19.00%	19.00%	19.00%
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	12.00%	12.00%	12.00%	12.00%