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

Maintenance rights intangible and lease premium, net (Movements in maintenance rights intangible) (Details)

v3.8.0.1
Maintenance rights intangible and lease premium, net (Movements in maintenance rights intangible) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Finite-lived Intangible Assets [Roll Forward]    
Maintenance rights intangible at beginning of period $ 2,117,034  
Maintenance rights intangible at end of period 1,464,599 $ 2,117,034
Maintenance Rights Intangible [Member]    
Finite-lived Intangible Assets [Roll Forward]    
Maintenance rights intangible at beginning of period 2,117,034 3,068,318
EOL and MR contract maintenance rights expense (355,845) (381,637)
MR contract maintenance rights write-off due to maintenance liability release (77,494) (173,971)
EOL contract maintenance rights write-off due to cash receipt (106,433) (96,503)
EOL and MR contract intangible write-off due to sale of aircraft (112,663) (284,411)
Transfer to other assets 0 (17,162)
Additions due to aircraft acquisitions 0 2,400
Maintenance rights intangible at end of period $ 1,464,599 $ 2,117,034