Operating Segments (Details) (USD $)	12 Months Ended
	Dec. 31, 2014 Segment	Dec. 31, 2013
Operating Segments [Abstract]
Number of business segments	1
Operating lease revenues derived from lessees domiciled in the United States (in hundredths)	18.00%	0.00%
Segment Reporting Information [Line Items]
Operating Lease Revenue	$ 21,913,300	$ 18,794,200
Net Book Value of Aircraft and Aircraft Engines Held for Lease	186,762,600	152,954,600
North America [Member]
Segment Reporting Information [Line Items]
Operating Lease Revenue	6,423,700	1,542,000
Net Book Value of Aircraft and Aircraft Engines Held for Lease	65,423,400	17,779,000
Africa [Member]
Segment Reporting Information [Line Items]
Operating Lease Revenue	5,183,600	5,454,700
Net Book Value of Aircraft and Aircraft Engines Held for Lease	28,858,200	29,951,800
Off lease [Member]
Segment Reporting Information [Line Items]
Net Book Value of Aircraft and Aircraft Engines Held for Lease	17,106,000	34,446,300
Asia [Member]
Segment Reporting Information [Line Items]
Operating Lease Revenue	3,460,400	4,149,000
Net Book Value of Aircraft and Aircraft Engines Held for Lease	16,588,900	31,068,800
Europe and United Kingdom [Member]
Segment Reporting Information [Line Items]
Operating Lease Revenue	2,952,300	3,415,500
Net Book Value of Aircraft and Aircraft Engines Held for Lease	43,468,700	20,384,700
Central and South America [Member]
Segment Reporting Information [Line Items]
Operating Lease Revenue	3,533,300	4,233,000
Net Book Value of Aircraft and Aircraft Engines Held for Lease	10,146,100	19,324,000
Australia [Member]
Segment Reporting Information [Line Items]
Operating Lease Revenue	360,000	0
Net Book Value of Aircraft and Aircraft Engines Held for Lease	$ 5,171,300	$ 0