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

Asset impairment (Details)

v3.8.0.1
Asset impairment (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Asset Impairment Charges [Abstract]      
Flight equipment held for operating leases (Note 5) $ 54,331 $ 78,335 $ 16,322
Flight equipment held for sale 6,955 3,272 0
Other assets 0 0 13
Asset impairment $ 61,286 $ 81,607 $ 16,335