Lease expiration period.

No definition available.

Name:	jetmf_LeaseExpirationPeriod
Namespace Prefix:	jetmf_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

Lessee Operating Lease commencement date

+ References

No definition available.

+ Details

Name:	jetmf_LesseeOperatingLeaseCommencementDate
Namespace Prefix:	jetmf_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of aircraft leased.

+ References

No definition available.

+ Details

Name:	jetmf_NumberOfAircraftLeased
Namespace Prefix:	jetmf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of finance lease agreements.

+ References

No definition available.

+ Details

Name:	jetmf_NumberOfFinanceLeaseAgreements
Namespace Prefix:	jetmf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of months fixed monthly rent to be paid.

+ References

No definition available.

+ Details

Name:	jetmf_NumberOfMonthsFixedMonthlyRentToBePaid
Namespace Prefix:	jetmf_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-3

+ Details

Name:	us-gaap_LesseeFinanceLeaseTermOfContract1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
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

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

- Details

Name:	us-gaap_TypeOfArrangementAxis=jetmf_AircraftLeaseAgreementOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=jetmf_AircraftLeaseAgreementTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=jetmf_AircraftLeaseAgreementThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=jetmf_AircraftLeaseAgreementFourMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=jetmf_AircraftLeaseAgreementFiveMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=jetmf_AircraftLeaseAgreementSixMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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Namespace Prefix:
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Commitments and Contingencies - Additional Information (Details)	Jul. 27, 2023 Aircraft	Jun. 01, 2023	Apr. 21, 2023	Jan. 27, 2023 Aircraft	Jan. 24, 2023	Jun. 21, 2022 Aircraft	Oct. 14, 2021 Aircraft	Jun. 30, 2023 Lease	Jun. 16, 2023 Aircraft	Feb. 24, 2023 Aircraft
Other Commitments [Line Items]
Number of finance lease agreements \| Lease								10
Aircraft Lease Agreement One
Other Commitments [Line Items]
Number of aircraft leased							1
Lease term					10 years
lease term commenced					Jan. 24, 2023
Number of months fixed monthly rent to be paid							72 months
Aircraft Lease Agreement Two
Other Commitments [Line Items]
Number of aircraft leased				1
Lease term			6 years
lease term commenced			Apr. 21, 2023
Number of months fixed monthly rent to be paid				72 months
Aircraft Lease Agreement Three
Other Commitments [Line Items]
Number of aircraft leased						1
Lease term		8 years
lease term commenced		Jun. 01, 2023
Number of months fixed monthly rent to be paid						96 months
Aircraft Lease Agreement Four
Other Commitments [Line Items]
Number of aircraft leased										1
Lease term										74 months
Aircraft Lease Agreement Five
Other Commitments [Line Items]
Number of aircraft leased									1
Lease term									48 months
Aircraft Lease Agreement Six \| Subsequent Event
Other Commitments [Line Items]
Number of aircraft leased	1
Lease expiration period	2028-02
Maximum
Other Commitments [Line Items]
Finance lease agreement terms								5 years