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

Consolidated Statements Of Equity (Parenthetical)

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Consolidated Statements Of Equity (Parenthetical) (USD $)
1 Months Ended 12 Months Ended 1 Months Ended
Jun. 30, 2009
Mar. 31, 2009
Dec. 31, 2011
Dec. 31, 2010
Jun. 30, 2009
AerVenture [Member]
Nov. 30, 2010
AerVenture [Member]
Mar. 31, 2009
AerVenture [Member]
Net change in fair value of derivatives     $ 1,913,000 $ 715,000      
Equity investment, ownership percentage           50.00% 50.00%
Equity investment, ownership percentage sold         50.00%    
Required capital contributions by joint venture partner   80,000,000          
Increase (decrease) in shareholders' equity $ (45,182,000) $ 25,078,000