XML 146 R131.htm IDEA: XBRL DOCUMENT v3.3.1.900
Asset Impairment (Narrative) (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
USD ($)
item
Dec. 31, 2014
USD ($)
item
Dec. 31, 2013
USD ($)
item
Asset Impairment [Line Items]      
Flight equipment held for operating leases (Note 6) | $ $ 16,322 $ 21,828 $ 25,616
Number of aircraft impaired 8 8 6
Number of engines impaired 12 3  
Maintenance rents and other receipts | $ $ 20,500    
Release to income upon redelivery | $ $ (243,809) $ (92,296) $ 9,900
EOL payments received or retained | $     $ 17,700
End Of Lease [Member]      
Asset Impairment [Line Items]      
Number of aircraft impaired 4   4
Undiscounted Cash Flows Substantially Do Not Exceed Carrying Value [Member]      
Asset Impairment [Line Items]      
Number of aircraft impaired 4   2
Number of engines impaired 12