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Amount of minimum lease payments to be received by the lessor for capital leases.

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No definition available.

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Number of aircraft considered as assets held for sale.

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No definition available.

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Number of aircraft in impairment recorded during the period.

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Refers to number of aircraft or engines subject to lease.

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The total number of aircrafts off lease.

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Refers to the number of aircrafts or engines purchased during the year.

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No definition available.

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Refers to the number of assets whose lease was extended during the period.

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No definition available.

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Refers to the number of assets leased which were previously off-leased.

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No definition available.

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The number of aircraft owned and available for lease as of the date of the latest balance sheet.

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No definition available.

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Percentage of net book value of all planes combined.

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No definition available.

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The number of aircraft engines sold by the entity during the period.

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No definition available.

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This line item represents the re-lease opportunities for the off lease aircraft specified as percentage of net book value of the entity's aircraft.

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No definition available.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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The cash outflow for acquisition of long-lived depreciable flight assets, including owned aircraft or capital improvements.

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No definition available.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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The number of aircraft sold by the entity during the period.

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No definition available.

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Aircraft and Aircraft Engines Held for Lease or Sale (Details) (USD $)	3 Months Ended		12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2014 Aircraft Asset	Dec. 31, 2013 Asset Aircraft
Aircraft and aircraft engines held for lease or sale [Abstract]
Impairment charge	$ 11,718,700us-gaap_AssetImpairmentCharges	$ 6,800,000us-gaap_AssetImpairmentCharges	$ 18,736,500us-gaap_AssetImpairmentCharges	$ 0us-gaap_AssetImpairmentCharges
Number of aircrafts purchased				0acy_NumberOfAircraftsPurchased
Payment for equipment and acquisition costs related to aircraft purchased			74,529,000us-gaap_PaymentsForFlightEquipment	24,965,500us-gaap_PaymentsForFlightEquipment
Gain (loss) on sale of aircraft and parts from an engine			3,147,200	4,504,200
Number of aircraft engines sold			5
Gain on financial lease				73,300acy_GainOnFinancialLease
Number of assets lease term extended			9acy_NumberOfAssetsLeaseTermExtended
Number of off leased assets leased			10acy_NumberOfOffLeasedAssetsLeased	2acy_NumberOfOffLeasedAssetsLeased
Number of entity aircraft off lease			2acy_NumberOfAircraftsOffLease
Re-lease opportunities for the off-lease aircraft (in hundredths)			10.00%
Proceeds from the sale of airframe parts			312,100	945,100
Held-for-sale [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Proceeds from the sale of airframe parts			312,100	945,100
Bombardier Dash-8-300 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			8	9
Percentage of net book value (in hundredths)			17.00%	23.00%
Bombardier CRJ-700 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			3	0
Percentage of net book value (in hundredths)			16.00%	0.00%
Bombardier CRJ-900 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			2	0
Percentage of net book value (in hundredths)			16.00%	0.00%
Bombardier Dash-8-Q400 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			3	3
Percentage of net book value (in hundredths)			13.00%	17.00%
ATR 42 600 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			1	0
Percentage of net book value (in hundredths)			9.00%	0.00%
Bombardier CRJ-705 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			1	1
Percentage of net book value (in hundredths)			9.00%	12.00%
Saab 340B Plus [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			6	6
Percentage of net book value (in hundredths)			7.00%	8.00%
Number of entity aircraft off lease			4
Fokker 50 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			6	10
Percentage of net book value (in hundredths)			5.00%	10.00%
Impairment charge			333,400
Number of aircraft on impairment recorded			1
Number of aircraft held for sale			1	1
Number of aircraft sold			3	3
Fokker 50 [Member] \| Held-for-Leases [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Impairment charge			217,800
Number of aircraft on impairment recorded			2
General Electric CF34-8E5 engine [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			2	3
Percentage of net book value (in hundredths)			4.00%	6.00%
Number of aircraft engines sold			1
Fokker 100 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			2	7
Percentage of net book value (in hundredths)			3.00%	19.00%
Impairment charge			15,278,900
Number of aircraft on impairment recorded			5
Number of aircraft held for sale			5
Fokker 100 [Member] \| Held-for-Leases [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Impairment charge			2,906,400
Number of aircraft on impairment recorded			2
Saab 340B [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			1	4
Percentage of net book value (in hundredths)			(1.00%)	4.00%
Number of aircraft held for sale			2
Number of aircraft sold			5
Number of entity aircraft off lease			1
Tay 650-15 engine [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			1	1
Percentage of net book value (in hundredths)			0.00%	1.00%
Gain (loss) on sale of aircraft and parts from an engine				$ (769,300)
Number of aircraft engines sold				1
General Electric CT7-9B engine [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			2	2
Percentage of net book value (in hundredths)			0.00%	0.00%
Number of aircraft or engines subject to lease				2
Number of aircraft engines sold				1
Saab 340 A [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned			0	1
Percentage of net book value (in hundredths)			0.00%	0.00%
Number of aircraft or engines subject to lease				1
Bombardier Dash-8-300 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of aircraft sold			1
deHavilland DHC-6 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of aircraft sold				1
deHavilland DHC-8-100 [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of aircraft sold				1