Net Investment in Finance Leases Narrative (Details)	Dec. 31, 2013 Aircraft
GERMANY
Capital Leased Assets [Line Items]
Capital Leased Assets, Number of Units	6
UNITED STATES
Capital Leased Assets [Line Items]
Capital Leased Assets, Number of Units	4
Capital Leased Assets, Number of Customers	2
CANADA
Capital Leased Assets [Line Items]
Capital Leased Assets, Number of Units	1