Amendment Flag Current Fiscal Year End Date Document Period End Date Entities [Table] Entity Information [Line Items] Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Entity Shell Company Entity Emerging Growth Company Entity Ex Transition Period Entity Small Business Award Type [Axis] Significant accounting policies [Abstract] Accrued liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accounts payable Receivables, net of allowances of $727 and $257, respectively Accrued bonuses Accrued liabilities Total accrued liabilities Accrued Liabilities, Current Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Accumulated Other Comprehensive (Loss) Income [Member] Accumulated other comprehensive (loss) Weighted average amortization period for intangible assets Adjustments for: Recognized compensation expense Allowances for receivables Allowance for Doubtful Accounts Receivable, Current Amortization of deferred financing costs Amortization of debt issuance costs Antidilutive Securities [Axis] Anti-dilutive securities excluded from computation of diluted weighted average shares outstanding (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities, Name [Domain] Assets [Abstract] Assets, Fair Value Disclosure [Abstract] Assets Assets [Abstract] Total Assets, Fair Value Disclosure Total assets Assets Total current assets Assets, Current Current assets Cost Number of Shares, Cost and Fair Value of Investment Investment in equity securities End of period Beginning of period Fair value Available-for-sale Securities, Equity Securities Basis of presentation and principles of consolidation Basis of Accounting, Policy [Policy Text Block] Finance leases, net Capital Leases in Financial Statements of Lessor Disclosure [Text Block] Finance leases, net [Abstract] Finance leases, net Non-current Capital Leases, Lessor Balance Sheet, Net Investment in Direct Financing Leases, Noncurrent Finance leases, net Current portion Capital Leases, Lessor Balance Sheet, Net Investment in Direct Financing Leases, Current Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Cash and cash equivalents Cash, cash equivalents and restricted cash - end of period Cash, cash equivalents and restricted cash - beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Class of Stock [Domain] Commitments and contingencies Commitments and contingencies [Abstract] Legal and contingencies Commitments and contingences (Note 18) Class A [Member] Class A [Member] Common Stock [Member] Members' capital, shares authorized (in shares) Members' capital, shares outstanding (in shares) Class B [Member] Members' capital, shares issued (in shares) Common stock, shares issued (in shares) Common stock, shares outstanding (in shares) Common stock Provision / (Benefit) for the Taxes on Income [Abstract] Comprehensive loss attributable to non-controlling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive loss attributable to stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Computer Equipment [Member] Construction in progress Balance at beginning of period Balance at end of period Construction in Progress, Gross Construction in Progress [Member] Accrued construction costs Contract with Customer, Asset and Liability [Abstract] Receivables, revenue from contracts with customers Contract with Customer, Asset, Net Cost of sales Cost of Sales [Member] Total operating expenses Costs and Expenses Debt [Abstract] Debt instrument, basis spread on variable rate Debt instrument, frequency of periodic payment Schedule of Long-term Debt Instruments [Table] Additional fees paid Debt Instrument, Fee Amount Debt Instrument [Axis] Aggregate principal amount Outstanding borrowings Debt Instrument [Line Items] Debt instrument, periodic payment Maturity date Debt Instrument, Name [Domain] Unamortized deferred financing cost Debt Instrument, Unamortized Discount (Premium), Net Deferred taxes Deferred tax asset Deferred tax asset, net Deferred tax liability, net Depreciation and amortization Depreciation Depreciation and amortization Depreciation, Depletion and Amortization Derivative Liability Share-based compensation [Abstract] Share-based compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Due from affiliate Amounts due from affiliates Due from Affiliates Amount due to affiliates Amounts due to affiliates Due to affiliates Earnings per share Net loss per share Net loss per share - basic and diluted (in dollars per share) Net loss per share - basic and diluted (in dollars per share) Earnings per share [Abstract] Statutory tax rate Effective tax rate Effective Income Tax Rate Reconciliation, Percent Weighted-average remaining vesting period of non-vested stock (in years) Unrecognized compensation cost Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options LNG and natural gas inventory Energy Related Inventory, Natural Gas Liquids Equity Component [Domain] Equity agreement Equity Restrictions Investment in equity securities Equity Securities, FV-NI Shannon Equity Agreement [Member] Fair value [Abstract] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Hierarchy and NAV [Axis] Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Hierarchy and NAV [Domain] Fair value Financial Assets and Financial Liabilities Level 3 [Member] Level 1 [Member] Level 2 [Member] Federal Funds Rate [Member] Intangibles, net Net Carrying Amount Gross Carrying Amount Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets by Major Class [Axis] Useful Life Intangible Assets, Net [Abstract] Accumulated Amortization Finite-Lived Intangible Assets [Line Items] Intangible assets [Abstract] Income Approach [Member] Income Statement Location [Domain] Income Statement Location [Axis] Income Tax Authority, Name [Domain] Income taxes [Abstract] Income Tax Authority, Name [Axis] Loss before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) [Abstract] Tax expense (benefit) Income taxes Income Tax Disclosure [Text Block] Income taxes Increase in accounts payable/accrued liabilities Change in value of Investment in equity securities Increase (Decrease) in Equity Securities, FV-NI Increase in amounts due to affiliates (Increase) in inventories Increase (Decrease) in Inventories (Increase) in receivables Increase (Decrease) in Receivables (Decrease) increase in other liabilities Decrease (Increase) in other assets Increase (Decrease) in Other Operating Assets Increase (Decrease) in Stockholders' Equity [Roll Forward] Intangible assets Interest expense on note payable Interest expense Inventory Inventory [Abstract] Inventory Total Inventory, Net Investment in equity securities Investments in equity securities [Abstract] Investment in equity securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] IPO [Member] LIBOR [Member] Initial lease term Renewal of lease term Land [Member] Land and office lease expense Leasehold Improvements [Member] Leases [Abstract] Leases, as lessee Leases of Lessee Disclosure [Text Block] Leases, as lessee [Abstract] Total liabilities Liabilities Total Financial and Nonfinancial Liabilities, Fair Value Disclosure Total liabilities and stockholders' equity Liabilities and Equity Liabilities [Abstract] Liabilities, Fair Value Disclosure [Abstract] Liabilities Liabilities [Abstract] Current liabilities Total current liabilities Liabilities, Current Uncertain tax positions Total stockholders' equity Limited Liability Company (LLC) Members' Equity, Including Portion Attributable to Noncontrolling Interest Debt Long-term Debt [Text Block] Materials, supplies and other Materials, Supplies, and Other Market Approach [Member] Members' Capital [Member] Members' capital, no par value, 500,000,000 shares authorized, 67,983,095 shares issued and outstanding as of December 31, 2018 Total stockholders' equity attributable to NFE Members' Equity Non-controlling interest Non-controlling interest Stockholders' Equity Attributable to Noncontrolling Interest Minority interest percentage in exchange for cash consideration Organization Cash flows from financing activities Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities Numerator [Abstract] Net Income (Loss) Attributable to Parent [Abstract] Total finance leases, net Net Investment in Direct Financing and Sales Type Leases Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from investing activities Cash flows from operating activities Net loss attributable to non-controlling interest Net Income (Loss) Attributable to Noncontrolling Interest Net cash used in operating activities Net Cash Provided by (Used in) Operating Activities Net loss attributable to stockholders Net Income (Loss) Attributable to Parent Adoption of new and revised standards [Abstract] Adoption of new and revised standards Supplemental disclosure of non-cash investing and financing activities: Note payable due Number of operating segment Non-controlling Interest [Member] Rental expense Operations and Maintenance [Member] Operating loss Operating Income (Loss) Operating expenses Operating Expenses [Abstract] Net operating loss carryforwards Organization [Abstract] Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Other Other Noncash Income (Expense) Other non-current assets [Abstract] Other non-current assets Total other non-current assets Other Assets, Noncurrent Other Other current assets Other comprehensive loss: Unrealized (gain) on available-for-sale investment Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, after Tax Other long-term liabilities Other current liabilities Other (income) expense , net Other Nonoperating Income (Expense) Other accrued expenses Accrued liabilities [Abstract] Payment of deferred financing costs Payments of Financing Costs Capital expenditures Payments to Acquire Property, Plant, and Equipment Prepaid expenses and other current assets [Abstract] Prepaid expenses Upfront payments to customers Prepaid Expense, Noncurrent Prepaid expenses and other current assets Total Capital contributed from Members Proceeds from IPO Net proceeds from initial public offering Principal payments received on finance lease, net Proceeds from borrowings of debt Initial borrowing amount Net loss Net loss Net loss Net loss Property, Plant and Equipment, Type [Axis] Property Subject to or Available for Operating Lease [Line Items] Property Subject to or Available for Operating Lease [Axis] Property, Plant and Equipment [Line Items] Property, plant and equipment, net Property, Plant and Equipment Disclosure [Text Block] Property Subject to or Available for Operating Lease [Domain] Property Subject to or Available for Operating Lease, by Major Property Class [Table] Property, plant and equipment, net [Abstract] Property, plant and equipment, gross Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment, Type [Domain] Property, plant and equipment, net Total property, plant and equipment, net Property, Plant and Equipment, Net Property, Plant and Equipment, Net, by Type [Abstract] Property, Plant and Equipment, Net, by Type [Abstract] Stock Subscription Receivable [Member] Receivables from Stockholder [Member] Related party transactions [Abstract] Related Party Transaction [Line Items] Related party transaction [Abstract] Amount paid to aircraft operator market rates Related Party [Domain] Related Party [Axis] Administrative and general expenses Related party transactions Repayment of debt Repayments of Long-term Debt Restricted Cash [Abstract] Restricted Stock Units [Member] Unvested RSU [Member] Restricted cash Non-current restricted cash Restricted Cash, Noncurrent Total restricted cash Restricted Cash Restricted cash Current restricted cash Accumulated deficit Accumulated Deficit [Member] Operating revenue Revenue from Contract with Customer, Excluding Assessed Tax Revenue, Performance Obligation Satisfied over Time [Abstract] Revenue from contracts with customers [Abstract] Ireland [Member] Revenue Commissioners, Ireland [Member] Remaining performance obligation Remaining Performance Obligation Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Revenue recognition Revenue from contracts with customers Remaining performance obligation, expected timing of satisfaction, period 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 [Line Items] Revenues Revenues [Abstract] Total revenues Revenues Sale of Stock [Domain] Inventory Schedule of Inventory, Current [Table Text Block] Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Composition of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table] RSU Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Dilutive Securities Excluded from Computation of Diluted Net Loss Per Share Effects Presented in Anti-dilutive Accrued Liabilities Schedule of Accrued Liabilities [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Related Party Transactions, by Related Party [Table] Other Non-Current Assets Property, Plant and Equipment [Table] Restricted Cash Restrictions on Cash and Cash Equivalents [Table Text Block] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Selling, general and administrative Selling, General and Administrative Expenses [Member] Weighted Average Grant Date Fair Value Per Share [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Forfeited (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Equity-based compensation Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Number of Shares [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Non-vested RSUs, ending balance (in shares) Non-vested RSUs, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Non-vested RSUs, ending balance (in dollars per share) Non-vested RSUs, beginning balance (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Share-Based Compensation Equity Award [Domain] Beginning balance (in shares) Ending balance (in shares) Shares outstanding (in shares) Shares, Outstanding IPO price per share (in dollars per share) Term loan facility Short-term Debt Significant accounting policies Condensed Consolidated Balance Sheets (Unaudited) [Abstract] Class of Stock [Axis] Statement [Line Items] Statement [Table] Condensed Consolidated Statements of Cash Flows (Unaudited) [Abstract] Equity Components [Axis] Condensed Consolidated Statements of Changes in Members' Equity (Unaudited) [Abstract] Issuance of Class A shares in the IPO, net of underwriting discount and offering costs Issuance of Class A shares in the IPO, net of underwriting discount and offering costs (in shares) Shares issued in initial public offering (in shares) Equity-based compensation expense Total stockholders' equity Beginning balance Ending balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stock split issued and outstanding shares effected in connection with IPO Total stockholders' equity attributable to NFE Stockholders' Equity Attributable to Parent Stockholders' equity Subsequent events [Abstract] Subsequent events Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Sale of Stock [Axis] Subsidiary, Sale of Stock [Line Items] Gain from derivative liability fair value adjustment Use of estimates Operations and maintenance Valuation Approach and Technique [Axis] Valuation Approach and Technique [Domain] Variable Rate [Axis] Variable Rate [Domain] Vehicles [Member] Weighted average number of shares outstanding - basic and diluted (in shares) Weighted-average shares-basic and diluted (in shares) Denominator [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Maximum [Member] Minimum [Member] Ownership [Domain] Ownership [Axis] Range [Domain] Range [Axis] Document and Entity Information [Abstract] Face amount per share of no-par value common unit. Common Unit, No Par Value Members' capital, par value (in dollars per share) Equity impact of the shares related to the effects of the reorganization transactions. Effects of Reorganization Transactions Shares Effects of reorganization transactions (in shares) Number of shares exchanged (in shares) The value of capital contributions from owners in a limited liability company (LLC). Members' Equity, Capital Contributions, Value Capital contributions The value of stock subscription receivable in a limited liability company (LLC). Members' Equity, Stock Subscription Receivable, Value Stock subscription receivable Equity impact of the value related to the effects of the reorganization transactions. Effects of Reorganization Transactions Value Effects of the reorganization transactions The number of stock subscription receivable units in a limited liability company (LLC). Members' Equity, Stock Subscription Receivable, Shares Stock subscription receivable (in shares) The number of units contributed by owners in a limited liability company (LLC). Members' Equity, Capital Contributions, Shares Capital contributions (in shares) Tabular disclosure of amounts due to/from Affiliates. Schedule of Amounts Due to and Due from Affiliates [Table Text Block] Due to/from Affiliates The changes in accrued construction in progress costs and property, plant and equipment reported in supplemental disclosure of non-cash investing and financing activities. Changes in Accrued Construction in Progress Costs and Property Plant and Equipment Changes in accrued construction in progress costs and property, plant and equipment The cash outflow for loan and debt issuance costs. Payment for Deferred Financing Costs Payment of offering costs The cash inflow associated with collection of subscription receivable. Collection of Subscription Receivable Collection of subscription receivable The percentage of note payable due from affiliate purchased by related party. Percentage of Note Payable Purchased by Related Party Percentage of note payable purchased by affiliate The affiliated entities of fortress. Fortress Affiliated Entities [Member] Name of the entity. Fortress Investment Group LLC [Member] Fortress [Member] Name of the affiliate entity. Florida East Coast Industries [Member] Name of the related party. DevTech Investment [Member] Name of the affiliate entity. Florida East Coast Railway [Member] Term loan facility from syndicate of two lenders due on December 31, 2019. Term Loan Facility Due December 2019 [Member] New Term Loan Facility [Member] Interest rate in debt instrument. Interest Rate [Member] New Term Loan Facility [Abstract] New Term Loan Facility [Abstract] Percentage of fee payable in outstanding principal for extension of maturity date. Percentage of Fee Payable in Outstanding Principal for Extension of Maturity Date Percentage of fee payable in outstanding principal for extension of maturity date Incremental percentage in the variable rate of debt instrument. Debt Instrument, Increase in Variable Rate Increase in interest rate Number of extensions for maturity date allowed. Number of Extensions for Maturity Date Number of extensions for maturity date Percentage variable rate spread on the debt instrument. Interest Rate Plus Spread Interest rate plus spread Term of interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Debt Instrument Term of Variable Rate Debt instrument, term of variable rate Extended maturity period per extension, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Debt Instrument, Extended Maturity Period Additional extended maturity period Number of lenders from which the new term loan facility borrowed. Number of Lenders Number of lenders Amount of amortization of debt issuance costs capitalized during the period. Amortization of Debt Issuance Costs, Capitalized Capitalized costs Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract] Dilutive Securities Excluded from Computation of Diluted Net Loss Per Share Effects Presented in Anti-dilutive [Abstract] The entire disclosure for prepaid expenses and other current assets. Prepaid Expenses And Other Current Assets Disclosure [Text Block] Prepaid expenses and other current assets Carrying value as of the balance sheet date of obligations incurred relating to vessel charter costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Vessel Charter Costs, Current Accrued vessel charter costs Carrying value as of the balance sheet date of obligations incurred relating to initial public offering costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Initial Public Offering Costs, Current Accrued IPO costs Assets commonly used in the storage and transportation of goods and other tangible personal property, nonconsumable in nature, with finite lives used to produce goods and services. ISO Containers and Other Equipment [Member] ISO Containers and Other Equipment [Member] Support equipment and facilities used in oil and gas producing activities to liquified LNG. LNG Liquefaction Facilities [Member] LNG Liquefaction Facilities [Member] Amount of unrealized gain (loss) before deducting unrealized gain (loss) on investments in equity securities classified as available-for-sale securities. Available For Sale Equity Securities Gross Unrealized Gain (Loss) Unrealized gain/(loss) Fair value portion of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Restricted Cash Fair Value Disclosure Restricted cash Tabular disclosure of the prepaid expenses and other current assets. Schedule of Prepaid Expenses And Other Current Assets [Table Text Block] Prepaid Expenses and Other Current Assets Tabular disclosure of the reconciliation of investments in available-for-sale equity securities. Schedule of Available-for-sale Equity Securities Reconciliation [Text Block] Movement of Equity Securities The energy generated from natural gas (predominantly methane, CH4, with some mixture of ethane C2H6) that has been cooled down to liquid form for ease and safety of non-pressurized storage or transport for which entity has made payment in advance. Energy from Prepaid Liquefied Natural Gas Energy of LNG The volume of natural gas (predominantly methane, CH4, with some mixture of ethane C2H6) that has been cooled down to liquid form for ease and safety of non-pressurized storage or transport for which entity has made payment in advance. Volume of Prepaid Liquefied Natural Gas Volume of LNG Detail of Prepaid Expenses and Other Current Assets [Abstract] Detail of Prepaid Expenses and Other Current Assets [Abstract] Amount of asset related to consideration paid in advance for prepaid charter that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Prepaid Charter Costs Prepaid charter costs Prepayment for LNG inventories. Prepaid Liquefied Natural Gas Prepaid LNG Amount of asset related to consideration paid in advance for deposits that provide economic benefits within a future period of one year or the normal operating cycle, if longer. Prepaid Deposits Deposits The entire disclosure for other non-current assets. Other Non-current Assets [Text Block] Other non-current assets Amount of nonrefundable deposit expected to be realized or consumed after one year or normal operating cycle, if longer. Nonrefundable Deposit, Noncurrent Nonrefundable deposit Amount of initial lease costs expected to be realized or consumed after one year or normal operating cycle, if longer. Initial Lease Costs, Noncurrent Initial lease costs Amount of easements assets expected to be realized or consumed after one year or normal operating cycle, if longer. Easements, Noncurrent Easements Amount of port access rights assets expected to be realized or consumed after one year or normal operating cycle, if longer. Port Access Rights, Noncurrent Port access rights This elements represents the number of upfront payments the entity entered into, related to certain natural gas sales contracts. Number of sales contracts Contract with customer, additional liability, additional payments or credits made during the period. Contract With Customer, Additional Payments Made During Period Additional payments made to contracts under agreement Contract with customer, liability, payments or credits made during the period. Contract with Customer, Payments Made During Period Payments made to contracts under agreement Represents the amount of underwriting discounts and commissions deducted from the gross proceeds for issuance of stock during the period. Underwriting Discounts and Commissions Underwriting discounts and commissions Disclosure of information about all significant accounting policies of the reporting entity. Schedule of Significant accounting policies [Table] Significant accounting policies [Table] Line item represents information about all significant accounting policies of the reporting entity. Significant accounting policies [Line Items] Significant accounting policies [Line Items] Basis of presentation and principles of consolidation [Abstract] This element represents percentage of entity for both voting and non economic interests. Percentage of Voting and non-Economic Interest Percentage of voting and non-economic interest This element represents percentage of economic interest. Percentage of Economic Interest Percentage of economic interest in NFI Amount of unearned income from direct financing lease. Direct Financing Lease Unearned Income Unearned income The gross amount of finance lease assets. Finance Lease Asset, Gross Finance leases Tabular disclosure of components of direct financing leases. Schedule of Direct Finance Leases [Table Text Block] Components of Direct Finance Leases Contractual agreement that stipulates the lessee pay the lessor for use of an asset. Shannon Leases and Permits [Member] Shannon LNG Leases and Permits [Member] Construction in Progress [Abstract] The entire disclosure for construction in progress. Construction in Progress [Text Block] Construction in progress Tabular disclosure of the reconciliation of construction in progress. Schedule of Construction in Progress Reconciliation [Table Text Block] Construction in Progress Activity Amount of expenses incurred by managing to abandon of projects relate to construction in progress. Construction in Progress, Management Expense Interest expense Construction in Progress [Roll Forward] Construction in Progress [Roll Forward] Amount of transfers into (out of) to property plant and equipment, net during the period. Construction in Progress, Transferred to Property Plant and Equipment, Net Transferred to property, plant and equipment, net (Note 11) Amount of increase in constructions in progress during the period. Construction in Progress, Additions Additions Revenue realized in the period on operating leases and direct financing leases. Other revenues Other revenue Amount of tangible personal property tax accrued as of balance sheet date. Tangible Personal Property Tax Accrued Tangible personal property tax accrued The number of shares available in equity securities held at the balance sheet date that are not considered held to maturity or trading securities. Available-for-sale Equity Securities, Number of Shares Number of shares (in shares) Refers to the term before an annual lease payment escalation goes into effect. Lease Payment Escalation Term Lease payment escalation term The percentage of annual lease payment escalation of the land site leases. Percentage of Annual Lease Payment Escalation Percentage of annual lease payment escalation Name of the property available for operating lease. LNG Vessel Time Charter Two [Member] LNG Vessel Time Charter Two [Member] Name of the property available for operating lease. Marine Port Berth [Member] Marine Port Berth [Member] Name of the property available for operating lease. LNG Vessel Time Charter One [Member] LNG Vessel Time Charter One [Member] Name of the property available for operating lease. Office Space Miami [Member] Office Space Miami and Florida [Member] Name of the property available for operating lease. Office Space Montego Bay [Member] Office Space Montego Bay and Jamaica [Member] The number of renewal options of leased office space. Number of Renewal Options Number of renewal options Non-cancellable Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Lessee Operating Lease Non-cancellable Term Of Contract Non-cancellable lease term Name of the property available for operating lease. LNG Vessel Time Charter Third [Member] Disclosure of information about income taxes. Income Tax Disclosure [Table] 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. Income Tax Disclosure [Line Items] Designated tax department of the government of Jamaica. Tax Administration, Jamaica [Member] Jamaica [Member] Primary financial statement caption encompassing operations and maintenance expenses. Operations and Maintenance Expense [Member] Operations and Maintenance [Member] The number of equity-based payment instruments, excluding stock (or unit) options, that vested and issued during the reporting period. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Issued in Period Vested and shares issued (in shares) The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right and shares issued during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Issued in Period, Weighted Average Grant Date Fair Value Vested and shares issued (in dollars per share) The entire disclosure for cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Restricted Cash [Text Block] Restricted cash Amount of cash restricted as to withdrawal or usage which is not reported separately as of balance sheet date. Other Restricted Cash Other restricted cash Cash collateral held for future purchases of Liquefied Natural Gas (LNG) which is restricted as to withdrawal or usage as of balance sheet date. Cash Collateral for Liquefied Natural Gas Collateral for LNG purchases Cash collateral held for secured and non-secured letter of credit which is restricted as to withdrawal or usage as of balance sheet date. Cash Collateral for Letter of Credit Collateral for letters of credit Cash collateral held for performance under customer agreements which is restricted as to withdrawal or usage as of balance sheet date. Cash Collateral for Performance Under Customer Agreements Collateral for performance under customer agreements