Leases [Abstract] 2018 Capital Leases, Future Minimum Payments Receivable, Remainder of Fiscal Year 2019 Capital Leases, Future Minimum Payments, Receivable in Two Years 2020 Capital Leases, Future Minimum Payments, Receivable in Three Years 2021 Capital Leases, Future Minimum Payments, Receivable in Four Years 2022 Capital Leases, Future Minimum Payments, Receivable in Five Years Thereafter Capital Leases, Future Minimum Payments, Receivable Thereafter Total Capital Leases, Future Minimum Payments Receivable Income Tax Disclosure [Abstract] Current: Current Federal, State and Local, Tax Expense (Benefit) [Abstract] Federal Current Federal Tax Expense (Benefit) State and local Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total current provision Current Income Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State and local Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Total deferred provision Deferred Income Tax Expense (Benefit) Total provision for income taxes Income Tax Expense (Benefit) Commitments and Contingencies Disclosure [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2018 Capital and Operating Leases, Future Minimum Payments, Remainder of Fiscal Year Capital and Operating Leases, Future Minimum Payments, Remainder of Fiscal Year 2019 Capital and Operating Leases, Future Minimum Payments, Due in Two Years Capital and Operating Leases, Future Minimum Payments, Due in Two Years 2020 Capital and Operating Leases, Future Minimum Payments, Due in Three Years Capital and Operating Leases, Future Minimum Payments, Due in Three Years 2021 Capital and Operating Leases, Future Minimum Payments, Due in Four Years Capital and Operating Leases, Future Minimum Payments, Due in Four Years 2022 Capital and Operating Leases, Future Minimum Payments, Due in Five Years Capital and Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Capital and Operating Leases, Future Minimum Payments, Due Thereafter Capital and Operating Leases, Future Minimum Payments, Due Thereafter Total Capital and Operating Leases, Future Minimum Payments Due Capital and Operating Leases, Future Minimum Payments Due Operating Leases of Lessee Lessee, Operating Lease, Disclosure [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Debt Disclosure [Abstract] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Lender Name [Axis] Lender Name [Axis] Line of Credit Facility, Lender [Domain] Line of Credit Facility, Lender [Domain] FTAI FTAI [Member] FTAI Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Amended Credit Agreement [Member] Amended Credit Agreement [Member] Amended Credit Agreement [Member] Revolving Credit Facility Revolving Credit Facility [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Jefferson Terminal Jefferson Terminal [Member] Jefferson Terminal [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Subsidiary Subsidiaries [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Loans payable Loans Payable [Member] Bonds payable Corporate Bond Securities [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] FTAI Pride Credit Agreement FTAI Pride Credit Agreement [Member] FTAI Pride Credit Agreement [Member] CMQR Credit Agreement CMQR Credit Agreement [Member] CMQR Credit Agreement [Member] Jefferson Revolver Jefferson Terminal Credit Agreement [Member] Jefferson Terminal Credit Agreement [Member] Series 2012 Bonds Series 2012 Bonds [Member] Series 2012 Bonds [Member] Series 2016 Bonds Dock and Wharf Facility Revenue Bonds, Series 2016 [Member] Dock and Wharf Facility Revenue Bonds, Series 2016 [Member] Senior Notes Due 2022 Senior Notes Due 2022 [Member] Senior Notes Due 2022 [Member] Senior Notes Due 2025 Senior Notes Due 2025 [Member] Senior Notes Due 2025 [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] London Interbank Offered Rate (LIBOR) London Interbank Offered Rate (LIBOR) [Member] Base Rate Base Rate [Member] Canadian Fixed Rate Canadian Fixed Rate [Member] Canadian Fixed Rate [Member] Eurodollar Eurodollar [Member] Adjusted Eurodollar Rate Adjusted Eurodollar Rate [Member] Adjusted Eurodollar Rate [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Unamortized discount Debt Instrument, Unamortized Discount Debt instrument, face amount Debt Instrument, Face Amount Debt instrument, periodic payment Debt Instrument, Periodic Payment Basis spread Debt Instrument, Basis Spread on Variable Rate Fixed charge coverage ratio Debt Instrument, Covenant, Fixed Charge Coverage Ratio Debt Instrument, Covenant, Fixed Charge Coverage Ratio Evaluation period Debt Instrument, Covenant, Evaluation Period Debt Instrument, Covenant, Evaluation Period Weighted average interest rate Debt, Weighted Average Interest Rate Callable debt Debt Instrument, Callable Debt Debt Instrument, Callable Debt Gain (loss) on extinguishment of debt Gain (Loss) on Extinguishment of Debt Period of interest reserve Debt Instrument, Period of Interest Reserve Debt Instrument, Period of Interest Reserve Stated percentage Debt Instrument, Interest Rate, Stated Percentage Tendered bonds Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Tendered Bonds Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Tendered Bonds Unamortized premium Debt Instrument, Unamortized Premium Service coverage ratio Debt Instrument, Covenant, Service Coverage Ratio Debt Instrument, Covenant, Service Coverage Ratio Fee amount Debt Instrument, Fee Amount Extension period Extension Period Extension Period Amortization of debt discount Amortization of Debt Discount (Premium) Redemption price, rate Debt Instrument, Redemption Price, Percentage Redemption price, rate, in three years Debt Instrument, Redemption Price, Percentage, In Three Years Debt Instrument, Redemption Price, Percentage, In Three Years Redemption price, rate, in four years Debt Instrument, Redemption Price, Percentage, In Four Years Debt Instrument, Redemption Price, Percentage, In Four Years Redemption amount available Redemption Amount Available Redemption Amount Available Redemption price, condition one Debt Instrument, Redemption Price, Percentage, Condition One Debt Instrument, Redemption Price, Percentage, Condition One Line of credit, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Quarterly commitment fee rate Line of Credit Facility, Commitment Fee Percentage Ratio of indebtedness to net capital Ratio of Indebtedness to Net Capital Debt to equity ratio Debt Instrument, Convertible, Conversion Ratio Line of credit increase (decrease) Line of Credit Facility, Increase (Decrease), Net Long-term Line of Credit Long-term Line of Credit Debt, net Long-term Debt Default Debt Covenant Default Debt Covenant Default Debt Covenant Property, Plant and Equipment [Abstract] Depreciation expense for property, plant and equipment Depreciation Debt, net Long-term debt, gross Long-term Debt, Gross Less: Debt issuance costs Unamortized Debt Issuance Expense Total debt due within one year Long-term Debt, Current Maturities Loss Contingencies [Table] Loss Contingencies [Table] Name of Property [Axis] Name of Property [Axis] Name of Property [Domain] Name of Property [Domain] Repauno Repauno [Member] Repauno [Member] Hannibal Hannibal [Member] Hannibal [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Loss contingency, estimate of possible loss Loss Contingency, Estimate of Possible Loss Potential milestone payment Potential Milestone Payment Potential Milestone Payment Rent expense Operating Leases, Rent Expense Intangible Assets and Liabilities Disclosure [Abstract] Intangible Assets and Liabilities Disclosure [Abstract] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating Segments Operating Segments [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Aviation Leasing Aviation Leasing [Member] Aviation Leasing [Member] Railroad Railroad [Member] Railroad [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Off-Market Favorable Lease Off-Market Favorable Lease [Member] Customer relationships Customer Relationships [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Intangible assets: Finite-Lived Intangible Assets, Net [Abstract] Acquired finite-lived intangibles Finite-Lived Intangible Assets, Gross Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Total Finite-Lived Intangible Assets, Net Total intangible assets, net Intangible Assets, Net (Excluding Goodwill) Intangible liabilities: Below Market Lease [Abstract] Acquired unfavorable lease intangibles Below Market Lease, Gross Less: Accumulated amortization Below Market Lease, Accumulated Amortization Acquired unfavorable lease intangibles, net Below Market Lease, Net Organization, Consolidation and Presentation of Financial Statements [Abstract] ORGANIZATION Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Segment Reporting [Abstract] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Market Valuation, Market Approach [Member] Income Valuation, Income Approach [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets Assets, Fair Value Disclosure [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Restricted cash Restricted Cash, Fair Value Disclosure Restricted Cash, Fair Value Disclosure Derivative assets Derivative Asset Total assets Assets, Fair Value Disclosure Liabilities Liabilities, Fair Value Disclosure [Abstract] Derivative liabilities Derivative Liability Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] 2018 Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Remainder of Fiscal Year Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Remainder of Fiscal Year 2019 Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Year Two Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Year Two 2020 Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Year Three Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Year Three 2021 Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Year Four Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Year Four 2022 Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Year Five Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, Year Five Thereafter Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, After Year Five Finite-Lived Intangible Assets and Below Market Leases, Amortization Expense, Net, After Year Five Total Finite-Lived intangible assets and Below Market Leases, Net Finite-Lived intangible assets and Below Market Leases, Net Equity Method Investments and Joint Ventures [Abstract] Equity Method Investments Equity Method Investments [Table Text Block] FINANCE LEASES, NET Capital Leases in Financial Statements of Lessor Disclosure [Text Block] Schedule of Segment Reporting Information, by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of Operating Profit (Loss) from Segments to Consolidated Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Revenue from External Customers by Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Reconciliation of Other Significant Reconciling Items from Segments to Consolidated Reconciliation of Other Significant Reconciling Items from Segments to Consolidated [Table Text Block] Long-lived Assets by Geographic Areas Long-lived Assets by Geographic Areas [Table Text Block] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Amendment Flag Amendment Flag Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Emerging Growth Company Entity Emerging Growth Company Entity Small Business Entity Small Business Earnings Per Share [Abstract] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Measurement Input Type [Axis] Measurement Input Type [Axis] Measurement Input Type [Domain] Measurement Input Type [Domain] Measurement Input, Risk Free Interest Rate Measurement Input, Risk Free Interest Rate [Member] Measurement Input, Expected Dividend Rate Measurement Input, Expected Dividend Rate [Member] Measurement Input, Price Volatility Measurement Input, Price Volatility [Member] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] Public Offering Public Offering [Member] Public Offering [Member] Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Number of shares issued (in shares) Sale of Stock, Number of Shares Issued in Transaction Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Price of share (usd per share) Sale of Stock, Price Per Share Consideration received on transaction Sale of Stock, Consideration Received on Transaction Stocks issued during period for services (in shares) Stock Issued During Period, Shares, Issued for Services Issuance of stock and warrants for services or claims Issuance of Stock and Warrants for Services or Claims Measurement input Debt Instrument, Measurement Input Debt instrument term Debt Instrument, Payment Terms Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Shares Common Stock [Member] Additional Paid In Capital Additional Paid-in Capital [Member] Accumulated Deficit Retained Earnings [Member] Accumulated Other Comprehensive Income AOCI Attributable to Parent [Member] Non-Controlling Interest in Equity of Consolidated Subsidiaries Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Beginning balance Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest Comprehensive income (loss): Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Net income (loss) for the period Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Purchase of non-controlling interest Noncontrolling Interest, Decrease from Deconsolidation Dividends declared Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Issuance of common shares Stock Issued During Period, Value, New Issues Equity-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Schedule of Equity Method Investments [Table] Schedule of Equity Method Investments [Table] Investment, Name [Axis] Investment, Name [Axis] Investment, Name [Domain] Investment, Name [Domain] Advanced Engine Repair JV Aviation Technology [Member] Advanced Engine Repair JV[Member] JGP Energy Partners LLC JGP Energy Partners [Member] JGP Energy Partners [Member] Intermodal Finance I, Ltd. Intermodal Finance I, Ltd [Member] Intermodal Finance I, Ltd [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Earnings (loss) Income (Loss) from Equity Method Investments PROPERTY, PLANT AND EQUIPMENT, NET Property, Plant and Equipment Disclosure [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Corporate Corporate, Non-Segment [Member] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Equipment Leasing Equipment Leasing [Member] Equipment Leasing [Member] Infrastructure Infrastructure [Member] Infrastructure [Member] Offshore Energy Offshore Energy [Member] Offshore Energy [Member] Shipping Containers Shipping Containers [Member] Shipping Containers [Member] Ports and Terminals Ports and Terminals [Member] Ports and Terminals [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Total assets Assets Total liabilities Liabilities Equity Members' Equity [Abstract] Non-controlling interest in equity of consolidated subsidiaries Members' Equity Attributable to Noncontrolling Interest Total equity Total liabilities and equity Liabilities and Equity Revenue from Contract with Customer [Abstract] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Schedule of Future Minimum Rental Payments for Operating Leases Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] U.S. federal tax at statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Number of reportable segments Number of Reportable Segments Area of real estate Area of Real Estate Property Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Subsequent Events [Abstract] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Common stock dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Schedule of Long-term Debt Instruments Schedule of Long-term Debt Instruments [Table Text Block] EARNINGS PER SHARE AND EQUITY Earnings Per Share [Text Block] Leasing equipment Property Subject to or Available for Operating Lease, Gross Less: accumulated depreciation Property Subject to or Available for Operating Lease, Accumulated Depreciation Leasing equipment, net Property Subject to or Available for Operating Lease, Net Number of aircraft acquired Leasing Equipment, Number of Aircraft Acquired Leasing Equipment, Number of Aircraft Acquired Commercial jet engines acquired Leasing Equipment, Number of Commercial Jet Engines Acquired Leasing Equipment, Number of Commercial Jet Engines Acquired Number of aircraft sold Property, Plant and Equipment, Number of Aircraft Sold Commercial engines sold Number of Commercial Engines Sold Number of Commercial Engines Sold Depreciation expense for leasing equipment Operating Leases, Income Statement, Depreciation Expense on Property Subject to or Held-for-lease Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Risk free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term INVESTMENTS Equity Method Investments and Joint Ventures Disclosure [Text Block] Schedule of Components of Income Tax Expense Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Remaining performance obligation, expected timing Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Ownership Percentage Equity Method Investment, Ownership Percentage Carrying Value Equity Method Investments Fair Value, Assets Measured on Recurring Basis Fair Value, Assets Measured on Recurring Basis [Table Text Block] Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Series 2016 Bonds Series 2016 Bonds [Member] Series 2016 Bonds [Member] Senior Notes due 2022 Senior Notes due 2025 Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Notes payable, fair value disclosure Notes Payable, Fair Value Disclosure Number of primary businesses Number of Operating Segments INTANGIBLE ASSETS AND LIABILITIES, NET Intangible Assets and Liabilities Disclosure [Text Block] Intangible Assets and Liabilities Disclosure [Text Block] Schedule of Capital Leases, Lessor Balance Sheet Schedule of Capital Leases, Lessor Balance Sheet [Table Text Block] Schedule of Capital Leases, Lessor Balance Sheet [Table Text Block] Schedule of Future Minimum Lease Payments for Capital Leases Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] Revenues Revenues [Abstract] Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Expenses Operating Expenses [Abstract] Operating expenses Operating Expenses General and administrative General and Administrative Expense Acquisition and transaction expenses Business Combination, Acquisition Related Costs Management fees and incentive allocation to affiliate Related Party Transaction, Expenses from Transactions with Related Party Depreciation and amortization Depreciation, Depletion and Amortization Interest expense Interest Expense Total expenses Costs and Expenses Other income (expense) Other Income and Expenses [Abstract] Equity in (losses) earnings of unconsolidated entities Gain on sale of equipment, net Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Loss on extinguishment of debt Interest income Interest Income (Expense), Net Other income Other Nonoperating Income (Expense) Total other income Nonoperating Income (Expense) Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Provision for income taxes Net income (loss) Less: Net loss attributable to non-controlling interests in consolidated subsidiaries Net Income (Loss) Attributable to Noncontrolling Interest Net income (loss) attributable to shareholders Net Income (Loss) Attributable to Parent Income Statement [Abstract] Equipment leasing revenues Equipment Leasing Revenues [Member] Equipment Leasing Revenues [Member] Infrastructure revenues Revenues Other income (expense) Other Income, Nonoperating [Abstract] Gain on sale of equipment, net Earnings (loss) per share Earnings Per Share, Basic and Diluted [Abstract] Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Weighted Average Shares Outstanding: Weighted Average Shares Outstanding [Abstract] Weighted Average Shares Outstanding [Abstract] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Income Incentive Allocation Threshold [Axis] Income Incentive Allocation Threshold [Axis] Income Incentive Allocation Threshold [Axis] Income Incentive Allocation Threshold [Domain] Income Incentive Allocation Threshold [Domain] [Domain] for Income Incentive Allocation Threshold [Axis] Threshold 1 Threshold 1 [Member] Threshold 1 [Member] Threshold 2 Threshold 2 [Member] Threshold 2 [Member] Threshold 3 Threshold 3 [Member] Threshold 3 [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Accounts Payable and Accrued Liabilities Accounts Payable and Accrued Liabilities [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Manager Affiliated Entity [Member] General Partner General Partner [Member] Fortress Worldwide Transportation and Infrastructure Master GP LLP Fortress Worldwide Transportation and Infrastructure Master GP LLP [Member] Fortress Worldwide Transportation and Infrastructure Master GP LLP Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Management fees Management Fees [Member] Management Fees [Member] Post IPO Management Fees Post IPO Management Fees [Member] Post IPO Management Fees [Member] Income Incentive Allocation Income Incentive Allocation [Member] Income Incentive Allocation [Member] Capital gains incentive allocation Capital Gains Incentive Allocation [Member] Capital Gains Incentive Allocation [Member] General and administrative expense General and Administrative Expense [Member] Acquisition and Transaction Expenses Acquisition and Transaction Expenses [Member] Acquisition and Transaction Expenses [Member] Bond Purchase Agreement Guarantee Fees Bond Purchase Agreement Guarantee Fees [Member] Bond Purchase Agreement Guarantee Fees [Member] Aviation Segment, Noncontrolling Aviation Segment, Noncontrolling [Member] Aviation Segment, Noncontrolling [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Ownership percentage by manager Ownership Percentage by Manager Ownership Percentage by Manager Management fee percentage rate Related Party Transaction, Management Fee, Percent Fee Related Party Transaction, Management Fee, Percent Fee Pre-incentive income allocation Related Party Transaction, Income Incentive Allocation, Percent of Pre-incentive Allocation Net Income Related Party Transaction, Income Incentive Allocation, Percent of Pre-incentive Allocation Net Income Quarterly percent threshold of pre-incentive allocation net income Related Party Transaction, Income Incentive Allocation, Quarterly Percent Threshold of Pre-Incentive Allocation Net Income Related Party Transaction, Income Incentive Allocation, Quarterly Percent Threshold of Pre-Incentive Allocation Net Income Annual percent threshold of pre-incentive allocation net income Related Party Transaction, Income Incentive Allocation, Annual Percent Threshold of Pre-Incentive Allocation Net Income Related Party Transaction, Income Incentive Allocation, Annual Percent Threshold of Pre-Incentive Allocation Net Income Management fees and incentive allocation to affiliate Related Party Transaction, (Income) Expenses from Transactions with Related Party Related Party Transaction, (Income) Expenses from Transactions with Related Party Accrued management fees Accounts Payable, Related Parties Other payables Due to Affiliate Due from related party Accounts Receivable, Related Parties Non-controlling interest ownership percentage Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners Shares issued, conversion of shares (in shares) Conversion of Stock, Shares Issued Non-controlling interest by private equity fund Stockholders' Equity Attributable to Noncontrolling Interest Net income (loss) attributable to non-controlling interest Amounts of transaction Related Party Transaction, Amounts of Transaction Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Equipment leasing revenues Depreciation and amortization Depreciation and Amortization [Member] Depreciation and Amortization [Member] Lease intangibles Lease Agreements [Member] Lease intangibles Amortization of Lease Intangible Assets and Liabilities, Net Amortization of Lease Intangible Assets and Liabilities, Net Customer relationships Amortization of Intangible Assets Total Amortization of Intangible Assets and Liabilities, Net Amortization of Intangible Assets and Liabilities, Net Summary of Leasing Equipment Schedule of Property Subject to or Available for Operating Lease [Table Text Block] Schedule of Capital Leased Assets Schedule of Capital Leased Assets [Table Text Block] Accounting Policies [Abstract] SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Schedule of Stock-based Compensation Arrangements Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Finite-Lived Intangible Assets and Liabilities Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Intangible Assets and Liabilities Schedule of Intangible Assets and Liabilities [Table Text Block] [Table Text Block] Schedule of Intangible Assets and Liabilities [Table Text Block] [Table Text Block] Schedule of Net Annual Amortization of Intangibles Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] REVENUES Revenue from Contract with Customer [Text Block] DEBT, NET Debt Disclosure [Text Block] Investments Investments, Equity Method [Member] Investments, Equity Method [Member] Revenue Equity Method Investment, Summarized Financial Information, Revenue Total Expenses Equity Method Investment, Summarized Financial Information, Expenses Equity Method Investment, Summarized Financial Information, Expenses Net loss Equity Method Investment, Summarized Financial Information, Net Income (Loss) Company’s portion Net income (loss) attributable to shareholders Weighted Average Shares Outstanding - Basic (in shares) Weighted Average Shares Outstanding - Diluted (in shares) Basic EPS (in dollars per share) Diluted EPS (in dollars per share) Participating securities (in shares) Participating Securities, Distributed and Undistributed Earnings (Loss), Basic and Diluted Participating Securities, Distributed and Undistributed Earnings (Loss), Basic and Diluted Antidilutive shares excluded from the calculation of diluted EPS (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Adjusted Net Income (Loss) Adjusted Net Income (Loss) Adjusted Net Income (Loss) Add: Non-controlling share of adjustments to Adjusted Net Income Adjusted Net Income (Loss) Attributable to Non-Controlling Interest Adjusted Net Income (Loss) Attributable to Non-Controlling Interest Add: Cash payments for income taxes Income Taxes Paid, Net Less: Incentive allocations Incentive Income Allocated Incentive Income Allocated Less: Pro-rata share of Adjusted Net Income from investments in unconsolidated entities Income (Loss) from Equity Method Investments, Pro-Rata Share Income (Loss) from Equity Method Investments, Pro-Rata Share Less: Asset impairment charges Asset Impairment Charges Less: Changes in fair value of non-hedge derivative instruments Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments Less: Losses on the modification or extinguishment of debt and capital lease obligations Gains (Losses) on Extinguishment or Restructuring of Debt Gains (Losses) on Extinguishment or Restructuring of Debt Less: Acquisition and transaction expenses Less: Equity-based compensation expense Allocated Share-based Compensation Expense Less: Provision for income taxes Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income (loss) Adjustments to reconcile net loss to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Equity in losses of unconsolidated entities Gain on sale of equipment, net Security deposits and maintenance claims included in earnings Proceeds from Forfeited Security Deposits Proceeds from Forfeited Security Deposits Loss on extinguishment of debt Equity-based compensation Gain on settlement of liabilities Gain on Settlement of Liabilities Gain on Settlement of Liabilities Change in current and deferred income taxes Deferred Income Taxes and Tax Credits Change in fair value of non-hedge derivative Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Amortization of lease intangibles and incentives Amortization of Lease Intangibles and Incentives Amortization of Lease Intangibles and Incentives Amortization of deferred financing costs Amortization of Debt Issuance Costs Bad debt expense Provision for Doubtful Accounts Other Other Operating Activities, Cash Flow Statement Change in: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Other assets Increase (Decrease) in Other Operating Assets Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Management fees payable to affiliate Increase (Decrease) in Due to Related Parties Other liabilities Increase (Decrease) in Other Operating Liabilities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Investment in notes receivable Payments to Acquire Notes Receivable Investment in unconsolidated entities and available for sale securities Payments for Advance to Affiliate Principal collections on finance leases Proceeds from Collection of Lease Receivables Acquisition of leasing equipment Payments to Acquire Equipment on Lease Acquisition of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Acquisition of lease intangibles Payments to Acquire Intangible Assets Purchase deposits for acquisitions Payments for Deposits on Leasing Equipment Payments for Deposits on Leasing Equipment Proceeds from sale of leasing equipment Proceeds From Sale of Equipment on Lease Proceeds From Sale of Equipment on Lease Proceeds from sale of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Return of purchase deposit for aircraft and aircraft engines Proceeds from Sale of Other Assets, Investing Activities Return of deposit on sale of engine Payments for Deposits on Sale of Machinery and Equipment Payments for Deposits on Sale of Machinery and Equipment Return of capital distributions from unconsolidated entities Proceeds from Equity Method Investment, Distribution, Return of Capital Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from debt Proceeds from Issuance of Long-term Debt Repayment of debt Repayments of Long-term Debt Payment of deferred financing costs Payments of Financing Costs Receipt of security deposits Increase in Security Deposits Increase in Security Deposits Return of security deposits Decrease in Security Deposits Decrease in Security Deposits Receipt of maintenance deposits Increase in Maintenance Deposits Increase in Maintenance Deposits Release of maintenance deposits Decrease in Maintenance Deposits Decrease in Maintenance Deposits Proceeds from issuance of common shares, net of underwriter's discount Proceeds from Issuance of Common Stock Common shares issuance costs Payments of Stock Issuance Costs Purchase of non-controlling interest shares Payments of Distributions to Affiliates Cash dividends Payments of Dividends Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Net increase in cash and cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Cash and cash equivalents and restricted cash, beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash and cash equivalents and restricted cash, end of period Supplemental disclosure of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Proceeds from borrowings of debt Noncash or Part Noncash Proceeds from Borrowings of Debt Noncash or Part Noncash Proceeds from Borrowings of Debt Repayment and settlement of debt Noncash or Part Noncash Repayment of Debt Noncash or Part Noncash Repayment of Debt Acquisition of leasing equipment Noncash or Part Noncash Acquisition, Leasing Equipment Acquired Noncash or Part Noncash Acquisition, Leasing Equipment Acquired Acquisition of property, plant and equipment Noncash or Part Noncash Acquisition, Fixed Assets Acquired Settled and assumed security deposits Noncash or Part Noncash Acquisition, Security Deposits Settled and Assumed Noncash or Part Noncash Acquisition, Security Deposits Settled and Assumed Billed, assumed and settled maintenance deposits Noncash or Part Noncash Acquisition, Maintenance Deposits Billed and Assumed Noncash or Part Noncash Acquisition, Maintenance Deposits Billed and Assumed Deferred financing costs Deferred Financing Costs, Non-Cash Deferred Financing Costs, Non-Cash Non-cash contribution from non-controlling interest Noncash Contribution of Noncontrolling Interest Noncash Contribution of Noncontrolling Interest Purchase of non-controlling interest Noncash Transfer of Noncontrolling Interest Noncash Transfer of Noncontrolling Interest Issuance of common shares Stock Issuance Costs Incurred During Noncash or Partial Noncash Transaction Stock Issuance Costs Incurred During Noncash or Partial Noncash Transaction Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Africa Africa [Member] Asia Asia [Member] Europe Europe [Member] North America North America [Member] South America South America [Member] LEASING EQUIPMENT, NET Lessor, Operating Leases [Text Block] EQUITY-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] MANAGEMENT AGREEMENT AND AFFILIATE TRANSACTIONS Related Party Transactions Disclosure [Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] Incentive Plan Incentive Plan [Member] Incentive Plan [Member] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] Stock Options Employee Stock Option [Member] Restricted Shares Restricted Stock [Member] Common Units Stock Compensation Plan [Member] Title of Individual [Axis] Title of Individual [Axis] Relationship to Entity [Domain] Relationship to Entity [Domain] Director Director [Member] Two Directors Two Directors [Member] Two Directors [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares issued in period Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period Number of Independent Directors Number of Independent Directors Number of Independent Directors Grant date fair value of share issued Share-based Compensation Arrangement by Share-based Payment Award, Options, Shares Issued, Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Shares Issued, Grant Date Fair Value Expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted in Period, Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Granted in Period, Grant Date Fair Value Awards vesting rights Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Finance leases Capital Leases, Net Investment in Direct Financing Leases, Minimum Payments to be Received Unearned revenue Capital Leases, Net Investment in Direct Financing Leases, Deferred Income Finance leases, net Capital Leases, Net Investment in Direct Financing Leases Statement of Financial Position [Abstract] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Subsegments [Axis] Subsegments [Axis] Subsegments [Domain] Subsegments [Domain] Equipment Leasing Equipment Leasing Segment [Member] Equipment Leasing Segment [Member] Infrastructure Infrastructure Segment [Member] Infrastructure Segment [Member] Lease income License and Service [Member] Maintenance revenue Maintenance [Member] Finance lease income Financial Service [Member] Rail revenues Cargo and Freight [Member] Terminal services revenues Service, Other [Member] Other revenue Product and Service, Other [Member] Total equipment leasing revenues Total infrastructure revenues Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Property, plant and equipment acquired Property, Plant and Equipment, Additions Remaining expense to be recognized, if all vesting conditions are met Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted Average Remaining Contractual Term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Weighted Average Remaining Contractual Term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Risks and Uncertainties Risks and Uncertainties [Policy Text Block] Risks and Uncertainties [Policy Text Block] Variable Interest Entities Consolidation, Variable Interest Entity, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Available-For-Sale Securities Marketable Securities, Policy [Policy Text Block] Deferred Financing Costs Deferred Charges, Policy [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Concentration of Credit Risk Concentration Risk, Credit Risk, Policy [Policy Text Block] Provision for Doubtful Accounts Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block] Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Fair Value Measurement Fair Value Measurement, Policy [Policy Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land, site improvements and rights Land and Land Improvements [Member] Construction in progress Construction in Progress [Member] Buildings and improvements Building and Building Improvements [Member] Terminal machinery and equipment Energy Equipment [Member] Track and track related assets Railroad Track and Related Assets [Member] Railroad Track and Related Assets [Member] Railroad equipment Railroad Equipment [Member] Railroad Equipment [Member] Railcars and locomotives Railcars and Locomotives [Member] Railcars and Locomotives [Member] Computer hardware and software Computer Hardware and Software [Member] Computer Hardware and Software [Member] Furniture and fixtures Furniture and Fixtures [Member] Vehicles Vehicles [Member] Spare parts Replacement Parts [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, plant and equipment, gross Property, Plant and Equipment, Gross Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, plant and equipment, net Property, Plant and Equipment, Net COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Major Property Class [Axis] Major Property Class [Axis] Major Property Class [Domain] Major Property Class [Domain] Property, plant and equipment and leasing equipment, net Property, Plant and Equipment [Member] Property, plant and equipment and equipment held for lease, net Assets Assets [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash Restricted Cash and Cash Equivalents Accounts receivable, net Accounts Receivable, Net Leasing equipment, net Finance leases, net Financing Receivable, Net Property, plant, and equipment, net Investments Equity Method Investment Including Available for Sale Securities Equity Method Investment Including Available for Sale Securities Intangible assets, net Goodwill Goodwill Other assets Other Assets Total assets Liabilities Liabilities [Abstract] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities Maintenance deposits Maintenance Deposit Liability Maintenance Deposit Liability Security deposits Security Deposit Liability Other liabilities Other Liabilities Total liabilities Commitments and contingencies Commitments and Contingencies Common shares ($0.01 par value per share; 2,000,000,000 shares authorized; 82,787,466 and 75,771,738 shares issued and outstanding as of September 30, 2018 and December 31, 2017, respectively) Common Stock, Value, Issued Additional paid in capital Additional Paid in Capital Accumulated deficit Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Shareholders' equity Members' Equity Statement of Comprehensive Income [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Net of Tax [Abstract] Change in fair value of available-for-sale securities Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax Comprehensive loss attributable to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income attributable to shareholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accounting Policies [Table] Accounting Policies [Table] Accounting Policies [Table] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Delaware River Partners LLC Delaware River Partners [Member] Delaware River Partners [Member] Noncontrolling Party Noncontrolling Party [Member] Noncontrolling Party [Member] Ohio River Partners Ohio River Partners [Member] Ohio River Partners [Member] FIG Parent Company [Member] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Customer Group Two Customer Group Two [Member] Customer Group Two Major Accounts Receivable Customer, Customer One Major Accounts Receivable Customer, Customer One [Member] Major Accounts Receivable Customer, Customer One [Member] Major Accounts Receivable Customer, Customer Two Major Accounts Receivable Customer, Customer Two [Member] Major Accounts Receivable Customer, Customer Two [Member] Concentration Risk Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Sales Revenue, Segment Sales Revenue, Segment [Member] Accounts Receivable Accounts Receivable [Member] Subsegments Consolidation Items [Axis] Subsegments Consolidation Items [Axis] Subsegments Consolidation Items [Domain] Subsegments Consolidation Items [Domain] Reportable Subsegments Reportable Subsegments [Member] Other Assets Other Assets [Member] Accounting Policies [Line Items] Accounting Policies [Line Items] [Line Items] for Accounting Policies [Table] Interest held in VIE, as a percentage Variable Interest Entity, Qualitative or Quantitative Information, Ownership Percentage Ownership of other party, percentage Ownership of other party, percentage Ownership of other party, percentage Equity method investment contribution amount Equity Method Investment Contribution Amount Equity Method Investment Contribution Amount Ownership percentage Inventory Inventory, Gross Debt issuance cost Deferred finance costs Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Net Concentration risk percentage Concentration Risk, Percentage Concentration risk, number of customers Concentration Risk, Number of Customers Concentration Risk, Number of Customers Provision for doubtful accounts Allowance for Doubtful Accounts Receivable Derivative asset, notional amount Derivative Asset, Notional Amount Derivative liability, notional amount Derivative Liability, Notional Amount Leasing equipment, purchase deposits Leasing Equipment, Purchase Deposits Leasing Equipment, Purchase Deposits Capitalized costs, potential asset acquisitions Capitalized Costs, Potential Asset Acquisitions Capitalized Costs, Potential Asset Acquisitions Prepaid expense Prepaid Expense SUBSEQUENT EVENTS Subsequent Events [Text Block] INCOME TAXES Income Tax Disclosure [Text Block] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] Equity Investor Equity Investor [Member] Equity Investor [Member] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Axis] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease [Domain] Shipping Containers Subject to Multiple Operating Leases Property Subject to Operating Lease [Member] Containers Containers [Member] Carrying value Number of customers Equity Method Investment, Number of Customers Represented in Portfolio of Finance Leases Equity Method Investment, Number of Customers Represented in Portfolio of Finance Leases Number of shipping containers Equity Method Investment, Number of Shipping Containers Represented in Portfolio of Finance Leases Equity Method Investment, Number of Shipping Containers Represented in Portfolio of Finance Leases Shipping containers subject to multiple operating leases Property Subject to or Available for Operating Lease, Number of Units