Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Accrued maintenance liability (Details)

v3.21.2
Accrued maintenance liability (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Movement in Accrued Maintenance Liability [Roll Forward]    
Accrued maintenance liability at beginning of period $ 1,750,395 $ 2,190,159
Maintenance payments received 163,280 194,779
Maintenance payments returned (91,957) (208,630)
Release to income other than upon sale (140,047) (224,207)
Lessor contribution, top-ups and other (19,887) 65,365
Accrued maintenance liability at end of period $ 1,648,197 $ 1,930,874