Adjustment of Previously Reported Financial Information (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Jan. 31, 2013	Dec. 31, 2012
Balance Sheets [Abstract]
Cash and cash equivalents	$ 5,909,600	$ 7,647,000	$ 5,909,600	$ 7,647,000	$ 2,112,700		$ 1,596,800
Accounts receivable, net	2,797,800		2,797,800		3,303,800
Finance leases receivable	945,400		945,400		1,895,200
Aircraft and aircraft engines held for lease, net	166,922,000		166,922,000		152,954,600
Assets held for sale	509,200		509,200		735,000
Prepaid expenses and other	5,005,800		5,005,800		3,633,000
Total assets	182,089,800		182,089,800		164,634,300
Accounts payable and accrued expenses	2,130,700		2,130,700		1,202,700
Notes payable and accrued interest	101,457,500		101,457,500		77,527,300
Security deposits	6,286,700		6,286,700		6,265,000
Unearned revenues	2,042,200		2,042,200		646,700
Deferred income taxes	12,498,600		12,498,600		14,573,800
Total liabilities	139,505,700		139,505,700		118,499,400
Preferred stock	0		0		0
Common stock	1,600		1,600		1,600
Paid-in capital	14,780,100		14,780,100		14,780,100
Retained earnings	28,306,500		28,306,500		31,857,300
Treasury stock	(504,100)		(504,100)		(504,100)
Total stockholders' equity	42,584,100		42,584,100		46,134,900
Total liabilities and stockholders' equity	182,089,800		182,089,800		164,634,300
Statement of Operations [Abstract]
Operating lease revenue, net	5,332,300	4,672,800	11,183,100	9,573,100
Maintenance reserves income, net	1,717,800	1,191,500	3,393,600	7,720,000
Gain on disposal of assets and other income	762,500	1,944,300	1,154,400	2,162,500
Total Income	7,879,300	7,865,400	15,882,200	20,062,300
Maintenance	1,302,300	1,330,400	3,646,600	3,469,800
Depreciation	2,012,600	1,815,800	3,878,400	3,573,000
Management fees	1,332,600	1,076,700	2,659,900	2,172,600
Interest	1,261,200	1,002,500	2,568,100	2,068,100
Professional fees, general and administrative and other	822,900	297,500	1,127,500	624,300
Insurance	313,300	298,000	620,600	552,000
Total expenses	13,867,400	5,843,400	21,346,200	12,504,900
Income before taxes	(5,988,100)	2,022,000	(5,464,000)	7,557,400
Tax provision	(2,067,700)	685,600	(1,913,200)	2,403,100
Net (loss)/income	(3,920,400)	1,336,400	(3,550,800)	5,154,300
(Loss)/earnings per share:
Basic (in dollars per share)	$ (2.54)	$ 0.87	$ (2.30)	$ 3.34
Diluted (in dollars per share)	$ (2.54)	$ 0.84	$ (2.30)	$ 3.25
Cumulative net decrease of in stockholders' equity						8,088,200
As Reported Previously [Member]
Balance Sheets [Abstract]
Cash and cash equivalents					2,112,700
Accounts receivable, net					3,313,700
Finance leases receivable					1,895,200
Aircraft and aircraft engines held for lease, net					152,375,200
Assets held for sale					735,000
Prepaid expenses and other					3,633,000
Total assets					164,064,800
Accounts payable and accrued expenses					1,175,300
Notes payable and accrued interest					77,527,300
Maintenance reserves and accrued maintenance costs					13,254,100
Security deposits					6,265,000
Unearned revenues					646,700
Deferred income taxes					16,099,700
Total liabilities					114,968,100
Preferred stock					0
Common stock					1,600
Paid-in capital					14,780,100
Retained earnings					34,819,100
Treasury stock					(504,100)
Total stockholders' equity					49,096,700
Total liabilities and stockholders' equity					164,064,800
Statement of Operations [Abstract]
Operating lease revenue, net		4,672,800		9,573,100
Maintenance reserves income, net		569,300		7,703,600
Gain on disposal of assets and other income		2,001,100		2,769,200
Total Income		7,243,200		20,045,900
Maintenance		1,383,600		3,788,700
Depreciation		1,803,400		3,549,400
Management fees		1,072,400		2,164,500
Interest		1,002,500		2,068,100
Professional fees, general and administrative and other		320,000		669,400
Insurance		298,000		552,000
Total expenses		5,879,900		12,792,100
Income before taxes		1,363,300		7,253,800
Tax provision		461,600		2,299,800
Net (loss)/income		901,700		4,954,000
(Loss)/earnings per share:
Basic (in dollars per share)		$ 0.58		$ 3.21
Diluted (in dollars per share)		$ 0.57		$ 3.12
As Adjusted [Member]
Balance Sheets [Abstract]
Cash and cash equivalents					2,112,700
Accounts receivable, net					3,303,800
Finance leases receivable					1,895,200
Aircraft and aircraft engines held for lease, net					152,954,600
Assets held for sale					735,000
Prepaid expenses and other					3,633,000
Total assets					164,634,300
Accounts payable and accrued expenses					1,202,700
Notes payable and accrued interest					77,527,300
Maintenance reserves and accrued maintenance costs					18,283,900
Security deposits					6,265,000
Unearned revenues					646,700
Deferred income taxes					14,573,800
Total liabilities					118,499,400
Preferred stock					0
Common stock					1,600
Paid-in capital					14,780,100
Retained earnings					31,857,300
Treasury stock					(504,100)
Total stockholders' equity					46,134,900
Total liabilities and stockholders' equity					164,634,300
Statement of Operations [Abstract]
Operating lease revenue, net		4,672,800		9,573,100
Maintenance reserves income, net		1,191,500		7,720,000
Gain on disposal of assets and other income		2,001,100		2,769,200
Total Income		7,865,400		20,062,300
Maintenance		1,330,400		3,469,800
Depreciation		1,815,800		3,573,000
Management fees		1,076,700		2,172,600
Interest		1,002,500		2,068,100
Professional fees, general and administrative and other		320,000		669,400
Insurance		298,000		552,000
Total expenses		5,843,400		12,504,900
Income before taxes		2,022,000		7,557,400
Tax provision		685,600		2,403,100
Net (loss)/income		1,336,400		5,154,300
(Loss)/earnings per share:
Basic (in dollars per share)		$ 0.87		$ 3.34
Diluted (in dollars per share)		$ 0.84		$ 3.25
Effect of Change [Member]
Balance Sheets [Abstract]
Cash and cash equivalents					0
Accounts receivable, net					(9,900)
Finance leases receivable					0
Aircraft and aircraft engines held for lease, net					579,400
Assets held for sale					0
Prepaid expenses and other					0
Total assets					569,500
Accounts payable and accrued expenses					27,400
Notes payable and accrued interest					0
Maintenance reserves and accrued maintenance costs					5,029,800
Security deposits					0
Unearned revenues					0
Deferred income taxes					(1,525,900)
Total liabilities					3,531,300
Preferred stock					0
Common stock					0
Paid-in capital					0
Retained earnings					(2,961,800)
Treasury stock					0
Total stockholders' equity					(2,961,800)
Total liabilities and stockholders' equity					569,500
Statement of Operations [Abstract]
Operating lease revenue, net		0		0
Maintenance reserves income, net		622,200		16,400
Gain on disposal of assets and other income		0		0
Total Income		622,200		16,400
Maintenance		(53,200)		(318,900)
Depreciation		12,400		23,600
Management fees		4,300		8,100
Interest		0		0
Professional fees, general and administrative and other		0		0
Insurance		0		0
Total expenses		(36,500)		(287,200)
Income before taxes		658,700		303,600
Tax provision		224,000		103,300
Net (loss)/income		$ 434,700		$ 200,300
(Loss)/earnings per share:
Basic (in dollars per share)		$ 0.29		$ 0.13
Diluted (in dollars per share)		$ 0.27		$ 0.13