Ownership Percentage by Manager

No definition available.

Name:	ftai_OwnershipPercentagebyManager
Namespace Prefix:	ftai_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, (Income) Expenses from Transactions with Related Party

+ References

No definition available.

+ Details

Name:	ftai_RelatedPartyTransactionIncomeExpensesfromTransactionswithRelatedParty
Namespace Prefix:	ftai_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Related Party Transaction, Income Incentive Allocation, Annual Percent Threshold of Pre-Incentive Allocation Net Income

+ References

No definition available.

+ Details

Name:	ftai_RelatedPartyTransactionIncomeIncentiveAllocationAnnualPercentThresholdofPreIncentiveAllocationNetIncome
Namespace Prefix:	ftai_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Income Incentive Allocation, Percent of Pre-incentive Allocation Net Income

+ References

No definition available.

+ Details

Name:	ftai_RelatedPartyTransactionIncomeIncentiveAllocationPercentofPreincentiveAllocationNetIncome
Namespace Prefix:	ftai_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Income Incentive Allocation, Quarterly Percent Threshold of Pre-Incentive Allocation Net Income

+ References

No definition available.

+ Details

Name:	ftai_RelatedPartyTransactionIncomeIncentiveAllocationQuarterlyPercentThresholdofPreIncentiveAllocationNetIncome
Namespace Prefix:	ftai_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Related Party Transaction, Management Fee, Percent Fee

+ References

No definition available.

+ Details

Name:	ftai_RelatedPartyTransactionManagementFeePercentFee
Namespace Prefix:	ftai_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount for accounts payable to related parties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(1))
-URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(5))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

+ Details

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

- Definition

Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04.12(3))
-URI http://asc.fasb.org/extlink&oid=120401414&loc=d3e603758-122996

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.15(3))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.17)
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 852
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=124433192&loc=d3e56071-112765

+ Details

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

- Definition

Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.

+ References

+ Details

Name:	us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_RelatedPartyTransactionLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_AffiliatedEntityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ftai_ManagementFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_GeneralPartnerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ftai_PostIPOManagementFeesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ftai_IncomeIncentiveAllocationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ftai_CapitalGainsIncentiveAllocationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionAxis=ftai_AcquisitionandTransactionExpensesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_AccountsPayableAndAccruedLiabilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ftai_IncomeIncentiveAllocationThresholdAxis=ftai_Threshold1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ftai_FortressWorldwideTransportationandInfrastructureMasterGPLLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ftai_IncomeIncentiveAllocationThresholdAxis=ftai_Threshold2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- 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:	ftai_IncomeIncentiveAllocationThresholdAxis=ftai_Threshold3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

MANAGEMENT AGREEMENT AND AFFILIATE TRANSACTIONS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Ownership percentage by manager			0.05%
Management fees and incentive allocation to affiliate	$ 4	$ 16	$ 4	$ 704
Manager \| Management fees
Related Party Transaction [Line Items]
Management fee percentage rate			1.50%
General Partner
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	4	16	$ 4	704
Management fees and incentive allocation to affiliate	1,620	1,801	5,816	5,015
General Partner \| Management fees
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	4	16	4	704
General Partner \| Income incentive allocation
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	0	0	0	0
General Partner \| Capital gains incentive allocation
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	0	0	0	0
General Partner \| General and administrative
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	1,466	1,184	4,933	3,427
General Partner \| Acquisition and transaction expenses
Related Party Transaction [Line Items]
Management fees and incentive allocation to affiliate	154	$ 617	883	$ 1,588
Accounts Payable and Accrued Liabilities \| Manager
Related Party Transaction [Line Items]
Accrued management fees	386		386		$ 1,495
Other payables	$ 1,020		$ 1,020		$ 2,283
Threshold 1 \| Fortress Worldwide Transportation and Infrastructure Master GP LLP \| Income incentive allocation
Related Party Transaction [Line Items]
Pre-incentive income allocation			0.00%
Quarterly percent threshold of pre-incentive allocation net income			2.00%
Annual percent threshold of pre-incentive allocation net income			8.00%
Threshold 2 \| Fortress Worldwide Transportation and Infrastructure Master GP LLP \| Income incentive allocation
Related Party Transaction [Line Items]
Pre-incentive income allocation			100.00%
Threshold 2 \| Fortress Worldwide Transportation and Infrastructure Master GP LLP \| Income incentive allocation \| Minimum
Related Party Transaction [Line Items]
Quarterly percent threshold of pre-incentive allocation net income			2.00%
Threshold 2 \| Fortress Worldwide Transportation and Infrastructure Master GP LLP \| Income incentive allocation \| Maximum
Related Party Transaction [Line Items]
Quarterly percent threshold of pre-incentive allocation net income			2.2223%
Threshold 3 \| Fortress Worldwide Transportation and Infrastructure Master GP LLP \| Income incentive allocation
Related Party Transaction [Line Items]
Pre-incentive income allocation			10.00%