Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1436-107760

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 45

-Paragraph 10

-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1107-107759

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Flight Equipment Held for Sale (Details) $ in Thousands	6 Months Ended		12 Months Ended
Flight Equipment Held for Sale (Details) $ in Thousands	Jun. 30, 2015 USD ($) aircraft	Jun. 30, 2014 USD ($)	Dec. 31, 2015 USD ($)
Flight Equipment Held for Sale
Deposits from aircraft held for sale	$ 151,109
Gain on sale of aircraft	$ 23,987	$ 27,735
Aircrafts held for sale
Flight Equipment Held for Sale
Number of aircraft held for sale \| aircraft	4
Flight equipment held for sale, carrying value	$ 145,800
Deposits from aircraft held for sale	$ 151,100
Forecast \| Aircrafts held for sale
Flight Equipment Held for Sale
Gain on sale of aircraft			$ 5,300