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

Related Party Transactions (Details)

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Related Party Transactions (Details) (USD $)
Share data in Millions, unless otherwise specified
12 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Dec. 31, 2007
Dec. 31, 2011
Credit Agricole [Member]
Dec. 31, 2011
China Aviation Supplies Holding Company [Member]
Dec. 31, 2011
AerDragon [Member]
Dec. 31, 2011
AerCo [Member]
Dec. 31, 2010
AerCo [Member]
Dec. 31, 2009
AerCo [Member]
Dec. 31, 2007
AerCo [Member]
Dec. 31, 2006
AerCo [Member]
Nov. 11, 2010
AerVenture [Member]
Nov. 11, 2010
Waha [Member]
Nov. 11, 2010
CRJ Aircraft [Member]
Related Party Transaction [Line Items]                                
Ownership percentage           25.00% 50.00%               40.00% 50.00%
Interest in the joint venture company                           50.00%   50.00%
Guarantee fee received for management services               $ 800,000                
Proceeds from interest received                       1,700,000 400,000      
Management services fees received 19,059,000 12,975,000 [1],[2],[3],[4] 12,964,000 [1],[2] 11,749,000 14,343,000       3,300,000 4,100,000 4,600,000          
New shares issued for acquisition                             29.8  
Cash received for shares issued                             $ 105,000,000  
Number of aircrafts owned 251                             4
[1] As a result of the sale of AeroTurbine and based on ASC 205-20, which governs financials statements for discontinued operations, the results of AeroTurbine have been reclassified to discontinued operations.
[2] Certain reclassifications have been made to prior years' Consolidated Income Statements to reflect the current year presentation.
[3] Includes the results of Genesis for the period from March 25, 2010 (date of acquisition) to December 31, 2010.
[4] Includes the results of Genesis Lease Limited ("Genesis") for the period from March 25, 2010 (date of acquisition) to December 31, 2010 and the issue of shares to Genesis and Waha Capital PJSC ("Waha").