Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Accrued Maintenance Liability (Details)

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Accrued Maintenance Liability (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Accrued Maintenance Liability [Abstract]      
Accrued maintenance liability at beginning of period $ 3,194,365 $ 466,293  
ILFC Transaction   2,575,118  
GFL Transaction   (88,523)  
Maintenance payments received 776,488 561,558  
Maintenance payments returned (558,477) (286,041)  
Release to income upon redelivery (243,809) (92,296) $ 9,900
Release to income upon sale (49,077)    
Lessor contribution and top ups 18,403 5,570  
Interest accretion 47,901 52,686  
Accrued maintenance liability at end of period $ 3,185,794 $ 3,194,365 $ 466,293