Commitments and Contingencies (Details)	Jun. 30, 2012 Aircraft
Commitments and Contingencies Disclosure [Abstract]
Number of passenger Aircraft to be Converted to Freighter	1

Number of passenger Aircraft to be Converted to Freighter at end of period

No definition available.

Name:	ayr_NumberOfPassengerAircraftToBeConvertedToFreighter
Namespace Prefix:	ayr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant