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Aircraft and Aircraft Engines Held for Lease or Sale (Details)	1 Months Ended		3 Months Ended			9 Months Ended
	Sep. 30, 2016 USD ($) Aircraft	Aug. 31, 2016 Aircraft	Sep. 30, 2016 USD ($) Aircraft	Jun. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) Aircraft Asset	Sep. 30, 2015 USD ($)	Dec. 31, 2015 Aircraft
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Remainder of 2016	$ 7,302,600		$ 7,302,600			$ 7,302,600
2017	26,406,900		26,406,900			26,406,900
2018	22,312,500		22,312,500			22,312,500
2019	21,685,600		21,685,600			21,685,600
2020	19,455,200		19,455,200			19,455,200
Thereafter	43,209,700		43,209,700			43,209,700
Total	$ 140,372,500		$ 140,372,500			140,372,500
Proceeds from the sale of airframe parts						$ 3,396,100	$ 1,835,300
Held for Lease [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Percentage of net book value	7.00%		7.00%			7.00%
Number of aircrafts purchased \| Aircraft	2	2
Payment for equipment and acquisition costs related to aircraft purchased			$ 52,138,000	$ 971,100	$ 0
Proceeds from lease payments as maintenance reserves						$ 17,179,300
Number of aircraft for which maintenance reserve received \| Aircraft						2
Number of off leased assets leased \| Asset						6
Number of aircraft, expected to be delivered pursuant to signed lease and deposit \| Aircraft	1		1			1
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Percentage of net book value	7.00%		7.00%			7.00%
Held for Sale [Member]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Proceeds from the sale of airframe parts			$ 38,600		$ 19,000
Turboprop Aircraft [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned \| Aircraft	12		12			12		16
Percentage of net book value	23.00%		23.00%			23.00%		45.00%
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Percentage of net book value	23.00%		23.00%			23.00%		45.00%
Turboprop Aircraft [Member] \| Held for Lease [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of off leased assets leased \| Asset						4
Turboprop Airframe [Member] \| Held for Sale [Member]
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Number of aircraft sold \| Aircraft						3
Gain on sale of airframes			$ 2,800
Regional Jet Aircraft [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned \| Aircraft	12		12			12		8
Percentage of net book value	73.00%		73.00%			73.00%		49.00%
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Percentage of net book value	73.00%		73.00%			73.00%		49.00%
Engines [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned \| Aircraft	4		4			4		5
Percentage of net book value	4.00%		4.00%			4.00%		6.00%
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Percentage of net book value	4.00%		4.00%			4.00%		6.00%
Engines [Member] \| Held for Lease [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of off leased assets leased \| Asset						2