Debt Instrument, Accrued Interest Payable

No definition available.

Name:	ayr_DebtInstrumentAccruedInterestPayable
Namespace Prefix:	ayr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Call Premium

+ References

No definition available.

+ Details

Name:	ayr_DebtInstrumentCallPremium
Namespace Prefix:	ayr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance. Tranche A amount due within three-years.

+ References

No definition available.

+ Details

Name:	ayr_DebtInstrumentFaceAmountTrancheA
Namespace Prefix:	ayr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance. Tranche B amount due within five-years.

+ References

No definition available.

+ Details

Name:	ayr_DebtInstrumentFaceAmountTrancheB
Namespace Prefix:	ayr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Minimum net worth required in order to be in compliance with the covenant clauses of the related debt agreement.

+ References

No definition available.

+ Details

Name:	ayr_DebtInstrumentMinimumNetWorthCovenantRequired
Namespace Prefix:	ayr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt issue price percent

+ References

No definition available.

+ Details

Name:	ayr_Debtissuepricepercent
Namespace Prefix:	ayr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of tranches for debt instrument at time of issuance

+ References

No definition available.

+ Details

Name:	ayr_Numberoftranchesfordebtinstrumentattimeofissuance
Namespace Prefix:	ayr_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Sum of the present value of 100% of the principal amount of notes redeemed and the remaining scheduled interest payments from the redemption date to maturity

+ References

No definition available.

+ Details

Name:	ayr_PresentValueofRedemptionPrice
Namespace Prefix:	ayr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Total Number of Aircraft Securing Financing

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

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

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

+ Details

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

- Definition

Amount of increase (decrease) of the credit facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

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

- Definition

Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
-URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910

+ Details

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

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_NotesPayableToBanksMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ayr_DBJTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ayr_SeniorNotesDue2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ayr_SeniorNotesDue2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ayr_A2019NABSecuredDebtFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=ayr_A2019BNPSGSecuredDebtFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ayr_A2019CreditAGSecuredDebtFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ayr_A2019BNPSGSecuredDebtFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ayr_A2018NBASecuredDebtFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ayr_InterestrateAxis=ayr_A4.25Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=ayr_Senior4.25Notesdue2026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ayr_Senior4.25Notesdue2026Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ayr_InterestrateAxis=ayr_SeniorNotesdue2019with6.25InterestRateDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ayr_InterestRateTypeAxis=ayr_FloatingRateTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ayr_DebtTrancheAxis=ayr_DebtTrancheAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ayr_DebtTrancheAxis=ayr_DebtTrancheBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ayr_A2018DBSRevolvingCreditFacilityMemberDomain
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=ayr_A2016DBSRevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_AircraftTypeAxis=srt_A320NeoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

Borrowings from Secured and Unsecured Debt Financings (Details 1) $ in Thousands		3 Months Ended
	Dec. 31, 2018 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($) Tranche	Dec. 31, 2019 USD ($)	Jul. 15, 2019 USD ($)	Jun. 26, 2019 USD ($) Aircraft	May 01, 2019 USD ($) Aircraft	Apr. 28, 2019 USD ($)	Feb. 27, 2019 USD ($)	Jan. 09, 2019 USD ($)	Dec. 27, 2018 USD ($)
Debt Instrument [Line Items]
Borrowings from unsecured financings, net of debt issuance costs	$ 3,962,896			$ 3,932,491
Present Value of Redemption Price		100.00%
Notes Payable to Banks \| DBJ Term Loan
Debt Instrument [Line Items]
Number of tranches for debt instrument at time of issuance \| Tranche			2
Debt Instrument, Minimum Net Worth Covenant Required									$ 750,000
Senior Notes Due 2019 \| Senior Notes Due 2019
Debt Instrument [Line Items]
Debt Instrument, Accrued Interest Payable					$ 3,733
Debt Instrument, Call Premium					$ 7,183
Secured Debt \| 2019 NAB Secured Debt Financing [Member] \| 2019 BNP-SG Secured Debt Financing [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.61%
Secured Debt \| 2019 Credit AG Secured Debt Financing [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount							$ 120,000
Secured Debt \| 2019 Credit AG Secured Debt Financing [Member] \| 2019 BNP-SG Secured Debt Financing [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							3.13%
Secured Debt \| 2019 BNP-SG Secured Debt Financing [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount							$ 320,000
Secured Debt \| 2018 NBA Secured Debt Financing [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage						3.14%
Debt Instrument, Face Amount						$ 40,000
4.25% [Member] \| Senior 4.25% Notes due 2026 [Member] \| Senior 4.25% Notes due 2026 [Member]
Debt Instrument [Line Items]
Borrowings from unsecured financings, net of debt issuance costs		$ 650,000
Debt issue price percent		99.515%
Debt Instrument, Interest Rate, Stated Percentage		4.25%
Senior Notes due 2019 with 6.25% Interest Rate [Domain] \| Senior Notes Due 2019 \| Senior Notes Due 2019
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		6.25%
Debt Instrument, Redemption, Period One [Member] \| Senior 4.25% Notes due 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage		100.00%
Debt Instrument, Redemption, Period One [Member] \| 4.25% [Member] \| Senior 4.25% Notes due 2026 [Member] \| Senior 4.25% Notes due 2026 [Member]
Debt Instrument [Line Items]
Interest Rate on any Advances		0.35%
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed		100.00%
Debt Instrument, Redemption, Period Two [Member] \| Senior 4.25% Notes due 2026 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage		101.00%
Floating Rate Term Loan [Member] \| Notes Payable to Banks \| DBJ Term Loan
Debt Instrument [Line Items]
Debt Instrument, Face Amount								$ 120,000	215,000
Debt Tranche A [Member] \| Floating Rate Term Loan [Member] \| Notes Payable to Banks \| DBJ Term Loan
Debt Instrument [Line Items]
Debt Instrument, Face Amount - Tranche A									60,000
Debt Tranche B [Member] \| Floating Rate Term Loan [Member] \| Notes Payable to Banks \| DBJ Term Loan
Debt Instrument [Line Items]
Debt Instrument, Face Amount - Tranche B									$ 155,000
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Borrowings from unsecured financings, net of debt issuance costs	425,000			150,000
Line of Credit Facility, Fair Value of Amount Outstanding				150,000
Line of Credit Facility, Remaining Borrowing Capacity				$ 950,000
Revolving Credit Facility \| Line of Credit \| 2018 DBS Revolving Credit Facility [Member] [Domain]
Debt Instrument [Line Items]
Debt Instrument, Minimum Net Worth Covenant Required											$ 750,000
Line of Credit Facility, Current Borrowing Capacity	$ 250,000	$ 300,000	$ 280,000
Line of Credit Facility, Maximum Borrowing Capacity											$ 350,000
Line of Credit Facility, Increase (Decrease), Net		$ 20,000	$ 30,000
Revolving Credit Facility \| Line of Credit \| 2018 DBS Revolving Credit Facility [Member] [Domain] \| London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Interest Rate on any Advances	1.50%
Revolving Credit Facility \| Line of Credit \| 2016 DBS Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity										$ 135,000
A-320-Neo [Member] \| Secured Debt \| 2019 Credit AG Secured Debt Financing [Member]
Debt Instrument [Line Items]
Total Number of Aircraft Securing Financing \| Aircraft							3
A-320-Neo [Member] \| Secured Debt \| 2019 BNP-SG Secured Debt Financing [Member]
Debt Instrument [Line Items]
Total Number of Aircraft Securing Financing \| Aircraft							8
B-737-800 [Member] \| Secured Debt \| 2018 NBA Secured Debt Financing [Member]
Debt Instrument [Line Items]
Total Number of Aircraft Securing Financing \| Aircraft						2