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

Segment Information (Schedule Of Lease Revenue By Segment) (Details)

v2.4.0.6
Segment Information (Schedule Of Lease Revenue By Segment) (Details) (Customer Concentration Risk [Member], Total Lease Revenue [Member])
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Russia [Member]
     
Segment Reporting Information [Line Items]      
Percentage of lease revenue 10.30% 11.30% 6.90%
Germany [Member]
     
Segment Reporting Information [Line Items]      
Percentage of lease revenue 9.30% 12.00% 16.30%
Minimum [Member]
     
Segment Reporting Information [Line Items]      
Percentage of lease revenue 10.00%