Lease Rental Revenues and Flight Equipment Held for Lease (Details 1) - Lease Revenue - Geographic Concentration Risk	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	100.00%	100.00%	100.00%
Asia and Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	43.00%	36.00%	37.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	27.00%	28.00%	24.00%
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	10.00%	11.00%	12.00%
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	9.00%	9.00%	8.00%
South America
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	11.00%	16.00%	19.00%