XML 75 R21.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

Flight Equipment Held for Sale | 12 Months Ended
--- | ---
Dec. 31, 2019
Flight Equipment held for sale |
Flight Equipment Held for Sale | Note 13. Flight equipment held for sale As of December 31, 2019, we had eight aircraft, with a carrying value of $249.6 million, which were held for sale and included in Other assets on the Consolidated Balance Sheets. These aircraft will be sold through our Thunderbolt platform and we expect the sale of all eight aircraft to be completed in 2020. We cease recognition of depreciation expense once an aircraft is classified as held for sale. As of December 31, 2018, we had six aircraft classified as held for sale, with a carrying value of $241.6 million, which were included in Flight equipment under operating lease on the Consolidated Balance Sheets. ​

X
- Definition The entire disclosure for Flight equipment held for sale. + References No definition available. + Details
Name: | al_FlightEquipmentHeldForSaleTextBlock
Namespace Prefix: | al_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AirlineAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration