Lease Rental Revenues and Flight Equipment Held for Lease (Details 1)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			50.00%
Lease Rental Revenue | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	100.00%	100.00%	100.00%	100.00%
Lease Rental Revenue | Geographic Concentration Risk | Asia and Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	44.00%	44.00%	43.00%	43.00%
Lease Rental Revenue | Geographic Concentration Risk | Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	29.00%	28.00%	27.00%	28.00%
Lease Rental Revenue | Geographic Concentration Risk | Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	10.00%	8.00%	11.00%	8.00%
Lease Rental Revenue | Geographic Concentration Risk | North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	12.00%	10.00%	12.00%	10.00%
Lease Rental Revenue | Geographic Concentration Risk | Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration	5.00%	10.00%	7.00%	11.00%