Related Party Transactions (Details) (USD $)	12 Months Ended			0 Months Ended	12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Nov. 06, 2013 J.T. Power Asset Purchase Agreement	Dec. 31, 2013 J.T. Power Consignment agreement with guarantee	Dec. 31, 2012 J.T. Power Consignment agreement with guarantee	Dec. 31, 2011 J.T. Power Consignment agreement with guarantee	Nov. 06, 2013 J.T. Power Consignment agreement with guarantee Asset Purchase Agreement	Dec. 31, 2013 Airline owned by CEO and Chairman item	Dec. 31, 2012 Airline owned by CEO and Chairman	Dec. 31, 2011 Airline owned by CEO and Chairman
Related Party and Similar Transactions
Lease rent revenue									$ 2,100,000	$ 600,000	$ 1,600,000
Percentage of discount at which note is prepaid in cash									45.00%
Notes receivable prepaid at discount									400,000
Number of engines sold to third party									4
Number of aircraft sold to third party									3
Aggregate net book value of engines and aircraft sold									3,400,000
Proceeds from sale of engines and aircraft to third party									4,900,000
Gain on sale of engines and aircraft to third party									800,000
Maintenance reserve revenue from sale of engines and aircraft	46,694,000	41,387,000	39,161,000						400,000
Lease rent revenue from sale of engines and aircraft	101,737,000	94,591,000	104,663,000						400,000
Other revenue from sale of engines and aircraft	4,306,000	6,613,000	1,719,000						300,000
Sales of consigned parts by related party					22,200	70,700	146,900
Balance of consignment proceeds						1,200,000
Value of certain assets purchased				5,600,000
Cash payment for certain asset purchases				4,500,000
Amount owed to the entity related to the minimum guarantee, which is deducted from payment made in cash								700,000
Cash received				400,000
Cash payment to creditors for certain asset purchases				1,200,000
Cash payment to shareholders for certain asset purchases				$ 3,300,000