XML 83 R64.htm IDEA: XBRL DOCUMENT v3.25.3

Aircraft Under Management (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2025 USD ($) aircraft aircraft_management_platform entity	Sep. 30, 2025 USD ($) aircraft aircraft_management_platform entity joint_venture	Nov. 03, 2025 aircraft	Dec. 31, 2024 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of aircraft managed	50	50
Number of aircraft management platforms | aircraft_management_platform	3	3
Number of aircrafts managed by financial institution	1	1
Percentage of non-controlling interest ownership, number of entities | entity		2
RUSSIAN FEDERATION | Subsequent Event
Schedule of Equity Method Investments [Line Items]
Number of aircraft managed			2
Flight Equipment
Schedule of Equity Method Investments [Line Items]
Benefit from our equity interest in our managed fleet | $	$ 0.8	$ 8.8
Thunderbolt Platform
Schedule of Equity Method Investments [Line Items]
Number of aircraft managed	21	21
Number of entities which aircraft is managed | entity	2	2
Investment in aircraft sold | $	$ 8.6	$ 8.6		$ 8.8
Thunderbolt II and Thunderbolt III
Schedule of Equity Method Investments [Line Items]
Percentage of noncontrolling interest	5.00%	5.00%
Blackbird Capital I and Blackbird Capital II
Schedule of Equity Method Investments [Line Items]
Number of aircraft managed	28	28
Number of joint ventures participated | joint_venture		2
Percentage of equity ownership	9.50%	9.50%
Equity method investment | $	$ 78.8	$ 78.8		$ 71.6

X

- Definition

Number of joint ventures the company participates under the agreement with co-investment vehicle.

+ References

No definition available.

+ Details

Name:	al_AgreementWithCoInvestmentVehicleNumberOfJointVenturesCompanyParticipated
Namespace Prefix:	al_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Benefit From Equity Interest In Our Managed Fleet

+ References

No definition available.

+ Details

Name:	al_BenefitFromEquityInterestInOurManagedFleet
Namespace Prefix:	al_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Noncontrolling Interest, Ownership Percentage By Parent, Number Of Entities

+ References

No definition available.

+ Details

Name:	al_NoncontrollingInterestOwnershipPercentageByParentNumberOfEntities
Namespace Prefix:	al_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Represents the number of aircraft managed by the entity.

+ References

No definition available.

+ Details

Name:	al_NumberOfAircraftManaged
Namespace Prefix:	al_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number Of Aircraft Management Platforms

+ References

No definition available.

+ Details

Name:	al_NumberOfAircraftManagementPlatforms
Namespace Prefix:	al_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number Of Aircrafts Managed By Financial Institution

+ References

No definition available.

+ Details

Name:	al_NumberOfAircraftsManagedByFinancialInstitution
Namespace Prefix:	al_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number Of Entities Which Aircraft Is Managed

+ References

No definition available.

+ Details

Name:	al_NumberOfEntitiesWhichAircraftIsManaged
Namespace Prefix:	al_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

This element represents the aggregate cost of investments accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_EquityMethodInvestmentAggregateCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of investment in equity security without readily determinable fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 321
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479536/321-10-50-3

+ Details

Name:	us-gaap_EquitySecuritiesWithoutReadilyDeterminableFairValueAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482907/825-10-50-28

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(g)(1)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 323
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481687/323-10-50-3

+ Details

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

X

- Details

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

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FlightEquipmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_OwnershipAxis=al_ThunderboltPlatformMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_OwnershipAxis=al_ThunderboltAircraftLeaseLimitedIiAndThunderboltAircraftLeaseLimitedIiiiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=al_BlackbirdCapitalILLCAndBlackbirdCapitalIILLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: