Advanced lease rentals taken into income

No definition available.

Name:	ayr_Advancedleaserentalstakenintoincome
Namespace Prefix:	ayr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of offlease aircraft being marketed for lease or sale

+ References

No definition available.

+ Details

Name:	ayr_NumberofOffleaseAircraftMarketedforLeaseorSale
Namespace Prefix:	ayr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of Offlease Aircraft Sold

+ References

No definition available.

+ Details

Name:	ayr_NumberofOffleaseAircraftSold
Namespace Prefix:	ayr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Offlease Aircraft with Future Lease Commitments

+ References

No definition available.

+ Details

Name:	ayr_OffleaseAircraftwithFutureLeaseCommitments
Namespace Prefix:	ayr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Security Deposits taken into income

+ References

No definition available.

+ Details

Name:	ayr_SecurityDepositstakenintoincome
Namespace Prefix:	ayr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13531-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13537-108611

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

+ Details

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

- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707

+ Details

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

- Definition

The number of units (items of property) under operating lease arrangements.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertySubjectToOrAvailableForOperatingLeaseNumberOfUnits
Namespace Prefix:	us-gaap_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

+ Details

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

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Details

Name:	srt_StatementGeographicalAxis=country_MX
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_ZA
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=srt_AsiaPacificMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=srt_EuropeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=srt_NorthAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=srt_SouthAmericaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=ayr_MiddleEastandAfricaMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByTypeAxis=us-gaap_GeographicConcentrationRiskMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=ayr_TotalRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_IN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=ayr_LeasedAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=ayr_OffLeaseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_MaintenanceMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_AircraftTypeAxis=srt_A320200Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_AircraftTypeAxis=srt_A330200Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_AircraftTypeAxis=srt_B737800Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Lease Rental Revenues and Flight Equipment Held for Lease (Details 3) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2020 USD ($) Aircraft	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Aircraft	Jun. 30, 2019 USD ($)	Dec. 31, 2019 Aircraft
Revenues from External Customers and Long-Lived Assets [Line Items]
Gain (Loss) on Disposition of Property Plant Equipment \| $	$ (279)	$ 346	$ 26,770	$ 12,348
Revenue \| $	$ 172,380	192,823	$ 371,300	374,057
Number of Aircraft	274		274		278
Percentage of geographic concentration			50.00%
Number of Offlease Aircraft Marketed for Lease or Sale					3
MEXICO
Revenues from External Customers and Long-Lived Assets [Line Items]
Security Deposits taken into income \| $			$ 12,834
SOUTH AFRICA
Revenues from External Customers and Long-Lived Assets [Line Items]
Advanced lease rentals taken into income \| $			8,740
Security Deposits taken into income \| $			$ 5,863
Asia and Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	89		89		94
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	98		98		99
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	28		28		40
North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	26		26		26
Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Aircraft	11		11		16
Geographic Concentration Risk \| Total Revenue \| INDIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue \| $	$ 0	$ 42,312	$ 0	$ 61,638
Percentage of geographic concentration	0.00%	19.00%	0.00%	14.00%
Geographic Concentration Risk \| Total Revenue \| MEXICO
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue \| $	$ 67,922	$ 0	$ 74,954	$ 0
Percentage of geographic concentration	27.00%	0.00%	14.00%	0.00%
Geographic Concentration Risk \| Total Revenue \| SOUTH AFRICA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue \| $	$ 0	$ 0	$ 57,920	$ 0
Percentage of geographic concentration	0.00%	0.00%	11.00%	0.00%
Geographic Concentration Risk \| Net Book Value
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			100.00%		100.00%
Geographic Concentration Risk \| Net Book Value \| Asia and Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			39.00%		38.00%
Geographic Concentration Risk \| Net Book Value \| Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			27.00%		26.00%
Geographic Concentration Risk \| Net Book Value \| Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			10.00%		13.00%
Geographic Concentration Risk \| Net Book Value \| North America
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			13.00%		15.00%
Geographic Concentration Risk \| Net Book Value \| Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			4.00%		7.00%
Geographic Concentration Risk \| Net Book Value \| Off Lease
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of geographic concentration			7.00%		1.00%
Maintenance revenue
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax \| $	$ 72,168	$ 26,567	$ 118,720	$ 42,968
Maintenance revenue \| INDIA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax \| $				$ 17,554
Maintenance revenue \| MEXICO
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax \| $			54,436
Maintenance revenue \| SOUTH AFRICA
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax \| $	$ 263		$ 39,067
A-320-200 [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Offlease Aircraft with Future Lease Commitments	1		1		1
Number of Offlease Aircraft Marketed for Lease or Sale	11		11
A-330-200 [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Offlease Aircraft with Future Lease Commitments	1		1		1
Number of Offlease Aircraft Marketed for Lease or Sale	5		5
B-737-800 [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of Offlease Aircraft Marketed for Lease or Sale	3		3
Number of Offlease Aircraft Marketed for Lease					1