Equipment Held for Operating Lease (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($) aircraft item region	Dec. 31, 2015 USD ($) aircraft item	Dec. 31, 2014 USD ($)	Oct. 31, 2014 USD ($)
Equipment Held for Lease
Number of geographic regions in which aircraft lessees are domiciled in | region	8
Lease rent revenue	$ 119,895	$ 108,046	$ 101,431
Lease rent revenue less applicable depreciation and interest	18,376	5,658	3,809
Net book value of equipment held for operating lease	1,136,603	1,109,168	1,057,381	$ 49,100
Minimum future payments under non-cancelable leases
2017	89,119
2018	57,192
2019	43,979
2020	33,482
2021	16,930
Thereafter	23,466
Minimum future payments	264,168
United States
Equipment Held for Lease
Lease rent revenue	44,650	43,703	37,850
Lease rent revenue less applicable depreciation and interest	13,137	11,074	6,988
Net book value of equipment held for operating lease	384,661	387,652	343,102
Mexico
Equipment Held for Lease
Lease rent revenue	34,524	31,569	21,658
Lease rent revenue less applicable depreciation and interest	10,318	8,867	5,891
Net book value of equipment held for operating lease	265,736	309,158	232,511
Canada
Equipment Held for Lease
Lease rent revenue	11,504	9,688	9,907
Lease rent revenue less applicable depreciation and interest	3,464	1,929	3,503
Net book value of equipment held for operating lease	112,268	112,718	107,080
Europe
Equipment Held for Lease
Lease rent revenue	13,395	9,177	11,880
Lease rent revenue less applicable depreciation and interest	1,053	634	2,577
Net book value of equipment held for operating lease	148,208	99,876	61,521
South America
Equipment Held for Lease
Lease rent revenue	6,251	6,886	7,771
Lease rent revenue less applicable depreciation and interest	2,430	2,310	2,157
Net book value of equipment held for operating lease	55,114	35,374	57,371
Asia
Equipment Held for Lease
Lease rent revenue	4,049	2,828	4,958
Lease rent revenue less applicable depreciation and interest	74	(123)	(100)
Net book value of equipment held for operating lease	35,199	18,893	11,026
Africa
Equipment Held for Lease
Lease rent revenue	3,674	2,223	4,143
Lease rent revenue less applicable depreciation and interest	743	474	1,277
Net book value of equipment held for operating lease	8,971	9,612	12,063
Middle East
Equipment Held for Lease
Lease rent revenue	1,848	1,972	3,264
Lease rent revenue less applicable depreciation and interest	460	206	1,041
Net book value of equipment held for operating lease	42,949	18,937	17,125
Off-lease and other
Equipment Held for Lease
Lease rent revenue less applicable depreciation and interest	(13,303)	(19,713)	(19,525)
Net book value of equipment held for operating lease	$ 83,497	$ 116,948	$ 215,582
Equipment held for lease Member | Engines and related equipment
Equipment Held for Lease
Number of equipments held for lease | aircraft	208	201
Equipment held for lease Member | Spare parts packages
Equipment Held for Lease
Number of equipments held for lease | item	5	5
Equipment held for lease Member | Aircrafts
Equipment Held for Lease
Number of equipments held for lease | aircraft	11	10
Month-to-month leases
Equipment Held for Lease
Net book value of equipment held for operating lease	$ 88,546	$ 90,173
Leases expiring 2016
Equipment Held for Lease
Net book value of equipment held for operating lease		429,635
Leases expiring 2017
Equipment Held for Lease
Net book value of equipment held for operating lease	396,155	106,923
Leases expiring 2018
Equipment Held for Lease
Net book value of equipment held for operating lease	144,977	87,916
Leases expiring 2019
Equipment Held for Lease
Net book value of equipment held for operating lease	70,511	60,022
Leases expiring 2020
Equipment Held for Lease
Net book value of equipment held for operating lease	180,732	86,922
Leases expiring 2021
Equipment Held for Lease
Net book value of equipment held for operating lease	57,196
Leases expiring thereafter
Equipment Held for Lease
Net book value of equipment held for operating lease	$ 114,989	$ 130,629