No definition available.

Name:	acy_AircraftAndAircraftEnginesHeldForLeaseAbstract
Namespace Prefix:	acy_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Refers to number of aircraft assets held for sale.

+ References

No definition available.

+ Details

Name:	acy_NumberOfAircraftAssetsHeldForSale
Namespace Prefix:	acy_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Refers to the number of aircraft or engines purchased during the period.

+ References

No definition available.

+ Details

Name:	acy_NumberOfAircraftPurchased
Namespace Prefix:	acy_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Refers to the number of available assets held for lease which are off-lease.

+ References

No definition available.

+ Details

Name:	acy_NumberOfAssetsHeldForLeaseOffLease
Namespace Prefix:	acy_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	acy_NumberOfUnitsOwned
Namespace Prefix:	acy_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of net book value of all planes combined.

+ References

No definition available.

+ Details

Name:	acy_PercentOfNetBookValue
Namespace Prefix:	acy_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

+ Details

Name:	us-gaap_AssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

+ Details

Name:	us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

+ Details

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41502-112717

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 10
-Section 55
-Paragraph 40
-Subparagraph (Note 3)
-URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697

+ Details

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsRemainderOfFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_PaymentsForFlightEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

+ Details

Name:	us-gaap_ProceedsFromSaleOfPropertyPlantAndEquipment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentNumberOfAircraftSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AircraftTypeAxis=acy_TurbopropAircraftMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AircraftTypeAxis=acy_RegionalJetAircraftMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AircraftTypeAxis=acy_EnginesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AircraftTypeAxis=acy_Embraer175AircraftMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorPropertyClassAxis=us-gaap_AssetsHeldUnderCapitalLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=us-gaap_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorPropertyClassAxis=acy_AssetsHeldForSaleDisposalGroupIncludingDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AircraftTypeAxis=acy_TurbopropAirframeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AircraftTypeAxis=acy_AircraftGeneralMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Aircraft and Aircraft Engines Held for Lease or Sale (Details)	3 Months Ended			6 Months Ended
	Sep. 30, 2017 USD ($) Aircraft	Jun. 30, 2017 USD ($) Aircraft	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) Aircraft Asset	Jun. 30, 2016 USD ($)	Dec. 31, 2016 Aircraft
Aircraft and aircraft engines held for lease or sale [Abstract]
Payment for equipment and acquisition costs related to aircraft purchased				$ 7,614,200	$ 0
Gain (loss) on sale of assets		$ (147,700)	$ 2,146,500	(133,900)	2,146,500
Proceeds from the sale of airframe parts				112,600	3,059,900
Asset Impairment Charges		454,300	246,200	454,300	$ 321,200
Minimum future lease revenue payments receivable under noncancelable operating leases [Abstract]
Remainder of 2017		13,271,400		13,271,400
2018		24,683,000		24,683,000
2019		24,255,200		24,255,200
2020		21,803,000		21,803,000
2021		14,701,600		14,701,600
Thereafter		39,294,700		39,294,700
Total		$ 138,008,900		$ 138,008,900
Turboprop Aircraft [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned \| Aircraft		11		11		12
Percentage of net book value		21.00%		21.00%		23.00%
Regional Jet Aircraft [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned \| Aircraft		14		14		12
Percentage of net book value		77.00%		77.00%		73.00%
Engines [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number owned \| Aircraft		1		1		4
Percentage of net book value		2.00%		2.00%		4.00%
Embraer 175 Aircraft [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of aircraft purchased \| Aircraft		2
Held for Lease [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Percentage of net book value		7.00%		7.00%
Payment for equipment and acquisition costs related to aircraft purchased			963,600
Number of assets held for lease, off lease \| Asset				6
Held for Lease [Member] \| Turboprop Aircraft [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of assets held for lease, off lease \| Asset				5
Held for Lease [Member] \| Engines [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of aircraft sold \| Aircraft		2
Gain (loss) on sale of assets		$ (173,700)
Number of assets held for lease, off lease \| Asset				1
Held for Lease [Member] \| Embraer 175 Aircraft [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of aircraft purchased \| Aircraft		2
Payment for equipment and acquisition costs related to aircraft purchased		$ 21,172,700
Held for Lease [Member] \| Embraer 175 Aircraft [Member] \| Forecast [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of aircraft purchased \| Aircraft	1
Payment for equipment and acquisition costs related to aircraft purchased	$ 500,000
Held for Sale [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Proceeds from the sale of airframe parts		96,300	41,100
Asset Impairment Charges		$ 70,400	$ 41,100
Held for Sale [Member] \| Turboprop Aircraft [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of assets held for sale \| Aircraft		1		1
Held for Sale [Member] \| Turboprop Airframe [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of aircraft sold \| Aircraft				2
Gain (loss) on sale of assets				$ 25,900
Number of assets held for sale \| Aircraft		1		1
Held for Sale [Member] \| Aircraft [Member]
Aircraft and aircraft engines held for lease or sale [Abstract]
Number of assets held for sale \| Aircraft		3		3