Lease, Remaining Lease Term

No definition available.

Name:	ftai_LeaseRemainingLeaseTerm
Namespace Prefix:	ftai_
Data Type:	xbrli:durationItemType
Balance Type:	na
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_LesseeLeaseDescriptionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980

+ Details

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

- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

+ Details

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

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

LEASES (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
LEASES (Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jul. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets, net	$ 75,344		$ 62,355
Minimum
Lessee, Lease, Description [Line Items]
Remaining lease term	2 months
Maximum
Lessee, Lease, Description [Line Items]
Remaining lease term	41 years
Real Estate and Office Equipment
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets, net	$ 2,700	$ 12,200
Real Estate and Office Equipment \| Minimum
Lessee, Lease, Description [Line Items]
Term of contract	5 years 6 months
Real Estate and Office Equipment \| Maximum
Lessee, Lease, Description [Line Items]
Term of contract	5 years