Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Condensed Consolidated Statements of Cash Flows (Unaudited) [Abstract]
Net cash provided by operating activities	$ 8,706,500	$ 8,125,800
Investing activities:
Proceeds from sale of aircraft and aircraft engines held for lease, net of re-sale fees	1,397,300	2,062,600
Proceeds from sale of assets held for sale, net of re-sale fees	112,600	3,059,900
Proceeds from insurance	0	18,886,700
Investment in direct financing leases	(7,614,200)	0
Investment in aircraft parts and acquisition costs	(21,735,900)	(971,100)
Net cash (used in)/provided by investing activities	(27,840,200)	23,038,100
Financing activities:
Issuance of notes payable - Credit Facility	26,000,000	0
Repayment of notes payable - Credit Facility	(2,800,000)	(31,600,000)
Repayment of notes payable - special purpose financing	(2,033,900)	0
Debt issuance costs	(65,000)	(65,000)
Net cash provided by/(used in) financing activities	21,101,100	(31,665,000)
Net increase/(decrease) in cash and cash equivalents	1,967,400	(501,100)
Cash and cash equivalents, beginning of period	2,194,400	2,721,000
Cash and cash equivalents, end of period	$ 4,161,800	$ 2,219,900