Commitments and Contingencies Disclosure [Abstract] Future Non Cancelable Commitment [Table] Future Non Cancelable Commitment [Table] -- None. No documentation exists for this element. -- Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] High Point Infrastructure Partners, LLC [Member] High Point Infrastructure Partners, LLC [Member] High Point Infrastructure Partners, LLC [Member] Counterparty Name [Axis] Counterparty Name [Axis] Counterparty Name [Domain] Counterparty Name [Domain] AIM Midstream Holdings [Member] AIM Midstream Holdings [Member] AIM Midstream Holdings [Member] Future Non Cancelable Commitment [Axis] Future Non Cancelable Commitment [Axis] -- None. No documentation exists for this element. -- Future Non Cancelable Commitment [Domain] Future Non Cancelable Commitment [Domain] -- None. No documentation exists for this element. -- Registration Payment Arrangement [Line Items] Registration Payment Arrangement [Line Items] Loss Contingency, Damages Sought Loss Contingency, Damages Sought Partners' Capital Account, Percentage Partners' Capital Account, Percentage Partners' Capital Account, Percentage Future non-cancelable commitments related to certain contractual obligations Future Non Cancelable Commitment [Abstract] Future non cancelable commitment. Incentive Distribution Right Allocation Incentive Distribution Right Allocation Incentive Distribution Right Allocation Class of Warrant or Right, Number of Securities Called by Warrants or Rights Class of Warrant or Right, Number of Securities Called by Warrants or Rights Class of Warrant or Right, Exercise Price of Warrants or Rights Class of Warrant or Right, Exercise Price of Warrants or Rights Debt Disclosure [Abstract] Revolving credit facility Long-term Line of Credit Other debt Other Long-term Debt Long-term debt Long-term Debt Less: current portion Long-term Debt, Current Maturities Long- term debt Long-term Debt, Excluding Current Maturities Business Combinations [Abstract] Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] 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] Acquired Finite-Lived Intangible Assets [Line Items] Acquired Finite-Lived Intangible Assets [Line Items] Business Combination Disclosure [Text Block] Business Combination Disclosure [Text Block] Debt Obligations Long-term Debt [Text Block] Expenses related to operating leases, asset retirement obligations, land site Leases and right-of-way agreements Expenses Related To Operating Leases, Asset Retirement Obligations, Land Site Leases And Right Of Way Agreements Expenses Related To Operating Leases, Asset Retirement Obligations, Land Site Leases And Right Of Way Agreements Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition, Cost of Acquired Entity, Purchase Price Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Risks and Uncertainties [Abstract] Concentration Risk [Table] Major Customers [Axis] Customer [Axis] Name of Major Customer [Domain] Customer [Domain] Customer A [Member] Customer A [Member] Customer A [Member] Customer B [Member] Customer B [Member] Customer B [Member] Cusotmer C [Member] Cusotmer C [Member] Cusotmer C [Member] Cusotmer D [Member] Cusotmer D [Member] Cusotmer D Customer Other [Member] Customer Other [Member] Customer Other [Member] Concentration Risk [Line Items] Entity-Wide Revenue, Major Customer, Percentage Concentration Risk, Percentage Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Long-Term Incentive Plan Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Accounting Policies [Abstract] Summary of Significant Accounting Policies New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Fair Value Disclosures [Abstract] Fair value of financial instruments Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block] Segment Reporting [Abstract] Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Gathering And Processing [Member] Gathering And Processing [Member] Gathering and processing member. Transmission [Member] Transmission [Member] Transmission [Member]. Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Number of Operating Segments Number of Operating Segments Percentage of voting interests acquired Business Acquisition, Percentage of Voting Interests Acquired Discontinued Operations and Disposal Groups [Abstract] Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block] Asset Retirement Obligation Disclosure [Abstract] Schedule of Asset Retirement Obligations [Table Text Block] Schedule of Asset Retirement Obligations [Table Text Block] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Pipelines [Member] Pipelines [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Series B [Member] Series B [Member] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum [Member] Minimum [Member] Maximum [Member] Maximum [Member] Lavaca [Member] Lavaca [Member] Lavaca [Member] Revenues Revenues Business Acquisition, Purchase Price Allocation, Land Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Land Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Length of pipeline Length Of Pipeline Length of pipeline. Diameters Length Ranging Diameters Length Ranging Diameters length ranging. Compressor Stations Compression Capacity Horsepower Compressor Stations Compression Capacity Horsepower Compressor stations, compression capacity horsepower. Partners' Capital Account, Public Sale of Units Net of Offering Costs Partners' Capital Account, Public Sale of Units Net of Offering Costs Proceeds from Issuance of Common Limited Partners Units Proceeds from Issuance of Common Limited Partners Units Limited Partners' Capital Account, Units Issued Limited Partners' Capital Account, Units Issued Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Asset, Useful Life Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Fair Value Inputs, Discount Rate Fair Value Inputs, Discount Rate Business Acquisition, Purchase Price Allocation, Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Equipment Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Business Acquisition, Pro Forma Revenue Business Acquisition, Pro Forma Revenue Business Acquisition, Pro Forma Net Income (Loss) Business Acquisition, Pro Forma Net Income (Loss) Net Income (Loss) Attributable to Parent Net Income (Loss) Attributable to Parent Mergers, Acquisitions and Dispositions Disclosures [Text Block] Mergers, Acquisitions and Dispositions Disclosures [Text Block] Equity [Abstract] General Partners' Capital Account [Abstract] General Partners' Capital Account [Abstract] Statement [Table] Statement [Table] AIM Midstream Holdings No. of units outstanding [Member] Partnership Interest [Member] Statement [Line Items] Statement [Line Items] Temporary Equity, Shares Outstanding Temporary Equity, Shares Outstanding Less: Comprehensive income attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest General partner interest units General Partners' Capital Account, Units Outstanding Limited Partners' Capital Account, Units Outstanding Limited Partners' Capital Account, Units Outstanding Limited partner subordinated units Other Ownership Interests, Units Outstanding General partner interest, units issued General Partners' Capital Account, Units Issued Partners' Capital Partners' Capital Notes Disclosure [Text Block] Table summarizes our unit-based awards Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Groups, Including Discontinued Operations, Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Asset Retirement Obligation Disclosure [Text Block] Asset Retirement Obligation Disclosure [Text Block] ArcLight [Member] ArcLight [Member] ArcLight [Member] Number of Natural Gas Collection Receipt Points Number of Natural Gas Collection Receipt Points Number of Natural Gas Collection Receipt Points Document and Entity Information [Abstract] -- None. No documentation exists for this element. -- Document Information [Table] Document Information [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Document Information [Line Items] Document Information [Line Items] 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 Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus 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 Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Fair value associated with commodity derivative instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Realized and unrealized gains (losses) with commodity and interst rate derivative instruments Unrealized Gain (Loss) on Investments [Table Text Block] Property, Plant and Equipment [Abstract] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 3 [Member] Fair Value, Inputs, Level 3 [Member] AlaTenn system [Member] Ala Tenn System [Member] AlaTenn system Midla system [Member] Midla System [Member] Midla System. Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property plant and equipment gross Property, Plant and Equipment, Gross Capitalized interest Interest Costs Capitalized Depreciation Depreciation Insurance proceeds from involuntary conversion of property, plant and equipment Insurance Proceeds from Involuntary Conversion of Property, Plant, and Equipment Insurance Proceeds from Involuntary Conversion of Property, Plant, and Equipment Gain on involuntary conversion of property, plant and equipment Gain (loss) on Involuntary Conversion of Property, Plant, Equipment Gain (loss) on Involuntary Conversion of Property, Plant, Equipment Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Leverage Ratio Requirement, by Fiscal Quarter End [Axis] Leverage Ratio Requirement, by Fiscal Quarter End [Axis] Leverage Ratio Requirement, by Fiscal Quarter End [Axis] Leverage Ratio Requirement, by Fiscal Quarter End [Domain] Leverage Ratio Requirement, by Fiscal Quarter End [Domain] [Domain] for Leverage Ratio Requirement, by Fiscal Quarter End [Axis] Fiscal Quarter Ending December 31, 2014 [Member] Fiscal Quarter Ending December 31, 2014 [Member] Fiscal Quarter Ending December 31, 2014 [Member] Subsequent Event [Member] Subsequent Event [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Insurance Premium Financing [Member] Insurance Premium Financing [Member] Insurance Premium Financing Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Debt Instrument, Fourth Amendment [Member] Debt Instrument, Fourth Amendment [Member] Debt Instrument, Fourth Amendment [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Base Rate [Member] Base Rate [Member] Federal Funds [Member] Federal Funds [Member] Federal Funds [Member] Eurodollar [Member] Eurodollar [Member] Maximum [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Line of Credit Facility, Amount Outstanding Limit Line of Credit Facility, Amount Outstanding Limit Line of Credit Facility, Amount Outstanding Limit Long-Term Debt (Textual) [Abstract] Long-Term Debt (Textual) [Abstract] Long-term debt. Letter of credit outstanding Letters of Credit Outstanding, Amount Payments on long-term debt Repayments of Long-term Debt Ratio of Indebtedness to Net Capital Ratio of Indebtedness to Net Capital Debt Instrument, Basis Spread on Variable Rate Debt Instrument, Basis Spread on Variable Rate Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Coverage Ratio Debt Instrument, Interest Coverage Ratio Debt Instrument, Interest Coverage Ratio Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Line of Credit Facility, Remaining Borrowing Capacity Line of Credit Facility, Remaining Borrowing Capacity Proceeds from (Payments for) Other Financing Activities Proceeds from (Payments for) Other Financing Activities Debt Instrument, Periodic Payment Debt Instrument, Periodic Payment Debt Issuance Cost Debt Issuance Cost Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Statement of Financial Position [Abstract] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Assets Assets [Abstract] Current assets Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable Accounts Receivable, Net, Current Unbilled revenue Unbilled Receivables, Current Risk management assets Derivative Asset, Current Other current assets Other Assets, Current Assets Held-for-sale, Current Disposal Group, Including Discontinued Operation, Assets, Current Total current assets Assets, Current Derivative Assets, Noncurrent Derivative Asset, Noncurrent Property, plant and equipment, net Property, Plant and Equipment, Net Goodwill Goodwill Intangible Assets, Net (Excluding Goodwill) Intangible Assets, Net (Excluding Goodwill) Noncurrent assets held for sale, net Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent Other assets, net Other Assets, Noncurrent Total assets Assets Liabilities and Partners' Capital Liabilities and Equity [Abstract] Current liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued gas purchases Gas Purchase Payable, Current Accrued Liabilities and Other Liabilities Accrued Liabilities and Other Liabilities Current portion of long-term debt Risk management liabilities Derivative Liability, Current Liabilities of Disposal Group, Including Discontinued Operation, Current Disposal Group, Including Discontinued Operation, Liabilities, Current Total current liabilities Liabilities, Current Risk management liabilities Derivative Liability, Noncurrent Asset Retirement Obligation Asset Retirement Obligation Other liabilities Other Liabilities, Noncurrent Deferred Tax Liabilities, Net Deferred Tax Liabilities, Net Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Total liabilities Liabilities Series A convertible preferred units (5,430 thousand and 5,279 thousand units issued and outstanding as of June 30, 2014, and December 31, 2013, respectively) Temporary Equity, Carrying Amount, Including Portion Attributable to Noncontrolling Interests Partners' capital Partners' Capital [Abstract] General partner interest (235 thousand and 185 thousand units issued and outstanding as of June 30, 2014, and December 31, 2013, respectively) General Partners' Capital Account Limited partner interest (11,140 thousand and 7,414 thousand units issued and outstanding as of June 30, 2014, and December 31, 2013, respectively) Limited Partners' Capital Account Series B Units, Capital Account Series B Units, Capital Account Series B Units, Capital Account Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Total partners’ capital Partners' Capital Noncontrolling interests Stockholders' Equity Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities, equity and partners' capital Liabilities and Equity Fair Value, Concentration of Risk [Table] Fair Value, Concentration of Risk [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Gain (Loss) on Derivative Instruments [Member] Gain (Loss) on Derivative Instruments [Member] Interest Expense [Member] Interest Expense [Member] Other Income [Member] Other Income [Member] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Commodity derivatives [Member] Commodity Contract [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Derivative, Loss on Derivative Derivative, Loss on Derivative Derivative, Cash Received on Hedge Derivative, Cash Received on Hedge Gain on commodity derivatives, net Unrealized Gain (Loss) on Derivatives Fair Value Inputs, Assets, Quantitative Information [Table] Fair Value Inputs, Assets, Quantitative Information [Table] Commodity Contract [Member] Interest Rate Swap [Member] Interest Rate Swap [Member] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Level 3 [Member] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Estimate of Fair Value, Fair Value Disclosure [Member] Estimate of Fair Value Measurement [Member] Estimated Fair Value Derivative, Fair Value, Net Income Statement [Abstract] Revenue Revenue, Net (Loss) gain on commodity derivatives, net Derivative, Gain (Loss) on Derivative, Net Revenues Operating expenses: Operating Expenses [Abstract] Purchases of natural gas, NGLs and condensate Natural Gas Midstream Costs Direct operating expenses Direct Operating Costs Selling, general and administrative expenses Selling, General and Administrative Expense Equity compensation expense Allocated Share-based Compensation Expense Depreciation, Depletion and Amortization Depreciation, Depletion and Amortization Depreciation and accretion expense Total operating expenses Operating Expenses Loss on sale of assets, net Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property Impairment of Long-Lived Assets Held-for-use Impairment of Long-Lived Assets Held-for-use Operating income (loss) Operating Income (Loss) Interest expense Interest Expense Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income Tax Expense (Benefit), Continuing Operations Income Tax Expense (Benefit) Net loss from continuing operations Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Loss from operations of disposal groups, net of tax Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Net loss Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss attributable to the Partnership Other income (expenses): Nonoperating Income (Expense) [Abstract] General partner's interest in net loss Net Income (Loss) Allocated to General Partners Limited partners' interest in net loss Net Income (Loss) Allocated to Limited Partners Distribution Made to Limited Partner, Distributions Declared, Per Unit Distribution Made to Limited Partner, Distributions Declared, Per Unit Limited partners’ net (loss) income from continuing operations per unit (basic) Income (Loss) from Continuing Operations, Per Outstanding Limited Partnership Unit, Basic, Net of Tax Limited partners’ net (loss) income per unit (basic) Net Income (Loss), Per Outstanding Limited Partnership Unit, Basic, Net of Tax Income (Loss) from Discontinued Operations, Net of Tax, Per Outstanding Limited Partnership Unit, Basic Income (Loss) from Discontinued Operations, Net of Tax, Per Outstanding Limited Partnership Unit, Basic Loss from discontinued operations Weighted Average Number of Shares Outstanding, Basic Outstanding borrowings under the credit facility Schedule of Line of Credit Facilities [Table Text Block] 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] Dividends [Axis] Dividends [Axis] Dividends [Domain] Dividends [Domain] Dividend Declared [Member] Dividend Declared [Member] Dividend Paid [Member] Dividend Paid [Member] Limited Partner [Member] Limited Partner [Member] General Partner [Member] General Partner [Member] Partnership Agreement [Axis] Partnership Agreement [Axis] Partnership Agreement [Axis] Partenrship Agreement [Domain] Partenrship Agreement [Domain] [Domain] for Partenrship Agreement [Axis] Period Payable [Axis] Period Payable [Axis] Period Payable Period Payable [Domain] Period Payable [Domain] [Domain] for Period Payable Partnership Interest [Member] Distributions Made to Member or Limited Partner by Distribution Type [Axis] Distribution Type [Axis] Distribution Type [Domain] Distribution Type [Domain] Preferred Units by Name [Axis] Preferred Units by Name [Axis] Preferred Units, Class [Domain] Preferred Units, Class [Domain] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Distribution Made to Limited Partner, Cash Distributions Paid Distribution Made to Limited Partner, Cash Distributions Paid Distributed Earnings Distributed Earnings Warrants Not Settleable in Cash, Fair Value Disclosure Warrants Not Settleable in Cash, Fair Value Disclosure Incentive Distribution, Distribution Incentive Distribution, Distribution Partners' Capital Account, Distributions Partners' Capital Account, Distributions Partners Capital (Textual) [Abstract] Partners Capital (Textual) [Abstract] Partners capital. General partner interest Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest Series A convertible preferred units Partners' Capital Account, Private Placement of Units Partners' Capital Account, Private Placement of Units Other Ownership Interests, Units Outstanding Unitholder contributions Partners' Capital Account, Contributions Series B Conversion Period Series B Conversion Period Series B Conversion Period Sale of Stock, Price Per Share Sale of Stock, Price Per Share Accrued Unitholder Distributions Accrued Unitholder Distributions Accrued Unitholder Distributions Fair value, paid in kind distributions Fair value, paid in kind distributions Fair value, paid in kind distributions General Partners' Capital Account, Units Issued Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants Numbers of units outstanding Schedule of Capital Units [Table Text Block] Schedule of Calulation for Net Income (Loss) Per Limited Partner Unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment information Schedule of Segment Reporting Information, by Segment [Table Text Block] Statement of Partners' Capital [Abstract] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Terminals [Member] Terminals [Member] Terminals [Member] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Income (Loss) from Continuing Operations Attributable to Parent Income (Loss) from Continuing Operations Attributable to Parent Temporary Equity, Dividends, Adjustment Temporary Equity, Dividends, Adjustment Income (loss) from Discontinued Operations, Net of Tax, Available to Limited Partners Income (loss) from Discontinued Operations, Net of Tax, Available to Limited Partners Income (loss) from Discontinued Operations, Net of Tax, Available to Limited Partners Net Income (Loss) Allocated to Limited Partners, Diluted Net Income (Loss) Allocated to Limited Partners, Diluted Net Income (Loss) Allocated to Limited Partners, Diluted Net loss from continuing operations General partner's distribution Limited partners’ net (loss) income per unit (basic) General Partners' Capital Account, Period Undistributed Income (Loss) From Continuing Operations, Amount General Partners' Capital Account, Period Undistributed Income (Loss) From Continuing Operations, Amount General Partners' Capital Account, Period Undistributed Income (Loss) From Continuing Operations, Amount Net Income (Loss) From Continuing Operatins, Attributable to Limited Partners Net Income (Loss) From Continuing Operatins, Attributable to Limited Partners Net Income (Loss) From Continuing Operatins, Attributable to Limited Partners Income Tax Disclosure [Abstract] Effective Income Tax Rate, Continuing Operations Effective Income Tax Rate Reconciliation, Percent Subsidiary Guarantors [Abstract] Subsidiary Guarantors [Abstract] Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income (Loss) [Member] Noncontrolling Interest [Member] Noncontrolling Interest [Member] Blackwater [Member] Blackwater [Member] Blackwater [Member] American Midstream Finance Corporation [Member] American Midstream Finance Corporation [Member] American Midstream Finance Corporation [Member] Parent Company [Member] Parent Company [Member] Guarantor Subsidiaries [Member] Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Consolidation, Eliminations [Member] Consolidation, Eliminations [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest Net Cash Provided by (Used in) Operating Activities Net Cash Provided by (Used in) Operating Activities Revenue, Net Cash and Cash Equivalents, at Carrying Value Accounts Receivable, Net, Current Derivative Assets, Current Other Assets, Current Assets, Current Property, Plant and Equipment, Net Notes Receivable, Related Parties, Noncurrent Notes Receivable, Related Parties, Noncurrent Other Assets, Noncurrent Investment In Subsidiaries Investment In Subsidiaries Investment In Subsidiaries Assets Accounts Payable, Current Gas Purchase Payable, Current Liabilities, Current Asset Retirement Obligation Other Liabilities, Noncurrent Long-term Debt, Excluding Current Maturities Liabilities Partners' Capital Total liabilities and partners’ capital Total liabilities and partners’ capital Total liabilities and partners’ capital Liabilities and Equity Loss on commodity derivatives, net Natural Gas Midstream Costs Direct Operating Costs Selling, General and Administrative Expense Allocated Share-based Compensation Expense Impairment of Long-Lived Assets Held-for-use Earnings from Consolidated Affiliates Earnings from Consolidated Affiliates Earnings from Consolidated Affiliates Interest Income (Expense), Net Interest Income (Expense), Net Interest Expense Unrealized gain (loss) on post retirement benefit plan assets and liabilities Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive Income (Loss), Net of Tax, Attributable to Parent Acquisition Costs, Period Cost Acquisition Costs, Period Cost Payments to Acquire Property, Plant, and Equipment Payments to Acquire Property, Plant, and Equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from Sale of Property, Plant, and Equipment Proceeds from Contributions from Affiliates, Investing Activities Proceeds from Contributions from Affiliates, Investing Activities Proceeds from Contributions from Affiliates, Investing Activities Payments of Distributions to Affiliates, Investing Activities Payments of Distributions to Affiliates, Investing Activities Payments of Distributions to Affiliates, Investing Activities Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Investing Activities Proceeds from Partnership Contribution Proceeds from Partnership Contribution Proceeds from Contributions from Affiliates Proceeds from Contributions from Affiliates Payments of Distributions to Affiliates Payments of Distributions to Affiliates Proceeds from Issuance of Convertible Preferred Units Proceeds from Issuance of Convertible Preferred Units Proceeds from Issuance of Convertible Preferred Units Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Partners' Capital Account, Treasury Units, Purchased Partners' Capital Account, Treasury Units, Purchased Tax Netting Repurchase Tax Netting Repurchase The tax netting repurchase cash outflow to reacquire common stock during the period Payments of Debt Issuance Costs Payments of Debt Issuance Costs Repayments of Notes Payable Repayments of Notes Payable Borrowings on other debt Proceeds From Loans Payable Proceeds From Loans Payable Repayments of Related Party Debt Repayments of Related Party Debt Repayments of Other Debt Repayments of Other Debt Proceeds from Issuance of Long-term Debt Proceeds from Issuance of Long-term Debt Net Cash Provided by (Used in) Financing Activities Net Cash Provided by (Used in) Financing Activities Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents, Period Increase (Decrease) Dividends, Paid-in-kind Dividends, Paid-in-kind Cash and cash equivalents, including discontinued operations Cash and cash equivalents, including discontinued operations Cash and cash equivalents, including discontinued operations Interest Paid Interest Paid Capital Expenditures Incurred but Not yet Paid Capital Expenditures Incurred but Not yet Paid Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) Partners' Capital Account, Distributions to Existing Interest Partners' Capital Account, Distributions to Existing Interest Partners' Capital Account, Distributions to Existing Interest Noncontrolling Interest, Ownership Percentage by Parent Noncontrolling Interest, Ownership Percentage by Parent Unit-Based Award Unit-Based Award [Abstract] Unit-Based Award. Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Grants Issued Under Long Term Incentive Plan Grants Issued Under Long Term Incentive Plan Grants issued under long term incentive plan. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Table Summarizes Unit Based Awards Table Summarizes Unit Based Awards [Abstract] Table summarizes unit based awards. Outstanding, Beginning period Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period LTIP vesting, Shares Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Outstanding, Ending period Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Million barrels of storage capacity Million barrels of storage capacity Million barrels of storage capacity Schedule of Condensed Balance Sheet [Table Text Block] Condensed Balance Sheet [Table Text Block] Schedule of Condensed Income Statement [Table Text Block] Condensed Income Statement [Table Text Block] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Restricted Cash and Cash Equivalents Restricted Cash and Cash Equivalents Asset Retirement Obligation, Liabilities Incurred Asset Retirement Obligation, Liabilities Incurred Asset Retirement Obligation, Liabilities Settled Asset Retirement Obligation, Liabilities Settled Asset Retirement Obligation, Accretion Expense Asset Retirement Obligation, Accretion Expense Transmission [Member] Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Segment information Segment Reporting, Measurement Disclosures [Abstract] Direct operating expenses Segment Gross Margin Segment Gross Margin Segment Gross Margin Income Tax Expense (Benefit), Continuing Operations Net loss Divestitures [Abstract] Divestitures [Abstract] Schedule of Significant Acquisitions and Disposals [Table] Schedule of Significant Acquisitions and Disposals [Table] Madison [Member] Madison [Member] Madison [Member] Significant Acquisitions and Disposals by Transaction [Axis] Significant Acquisitions and Disposals by Transaction [Axis] Significant Acquisitions and Disposals, Transaction [Domain] Significant Acquisitions and Disposals, Transaction [Domain] Significant Acquisitions and Disposals [Line Items] Significant Acquisitions and Disposals [Line Items] Property, Plant and Equipment, Gross Condensed Financial Information of Parent Company Only Disclosure [Text Block] Condensed Financial Information of Parent Company Only Disclosure [Text Block] Property, plant and equipment, net Property, Plant and Equipment [Table Text Block] Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] American Midstream, L.L.C [Member] American Midstream, L.L.C [Member] American Midstream, L.L.C [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] General and Administrative Expense General and Administrative Expense Related Party Transactions (Textual) [Abstract] Related Party Transactions (Textual) [Abstract] Related party transactions. Business Development Business Development Management Fees Revenue Management Fees Revenue Nature of Business Nature of Business [Policy Text Block] Nature of Business. Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Consolidation Policy Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Payments to Acquire Equity Method Investments Payments to Acquire Equity Method Investments Partners' Capital Account, Public Sale of Units Partners' Capital Account, Sale of Units Total distribution with respects to incremental common units Total distribution with respects to incremental common units Total distribution with respects to incremental common units Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Consolidated Entities [Member] Consolidated Entities [Member] Partner Type [Axis] Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Net Income (Loss) Allocated to General Partners Net Income (Loss) Allocated to Limited Partners Stock Issued During Period, Value, Other Stock Issued During Period, Value, Other Partners' Capital Account, Distributions Proceeds from Issuance of Common Stock Proceeds from Issuance of Common Stock Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Allocated Partners Capital Account Units, Value, Unit Based Compensation Ltip Vesting Allocated Partners Capital Account Units, Value, Unit Based Compensation Ltip Vesting Allocated Partners Capital Account Units, Value, Unit Based Compensation Ltip Vesting Partners' Capital Account, Unit-based Compensation Partners' Capital Account, Unit-based Compensation Derivatives Derivative Instruments and Hedging Activities Disclosure [Text Block] Gathering And Processing segment [Table] Gathering And Processing segment [Table] Gathering and Processing segment. Burns Point Plant [Member] Burns Point Plant [Member] Burns point plant. HPGT System [Member] HPGT System [Member] HPGT System Midla System [Member] Ala Tenn System [Member] Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items] Number of meters Number of meters Number of meters Number of producers Number of producers Number of producers County in which entity operates County In Which Entity Operates, Alabama, Mississippi, and Tennessee County In Which Entity Operates, Alabama, Mississippi, and Tennessee Derivative [Table] Derivative [Table] Weather Contract [Member] Weather Contract [Member] Weather Contract Derivative [Line Items] Derivative [Line Items] Aggregate notional volume of our commodity derivative Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume Notional amount of interest rate swap Derivative, Notional Amount Potential proceeds from derivative contract Derivative Instruments Not Designated as Hedging Instruments, Potential Cash Proceeds from Contract Derivative Instruments Not Designated as Hedging Instruments, Potential Cash Proceeds from Contract Fair value of derivative Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value Payment for weather derivative premium Payments of Derivative Issuance Costs Derivative term of contract Derivative, Term of Contract Derivative, Term of Contract Amortization of Weather Derivative Premium Amortization of Weather Derivative Premium Amortization of Weather Derivative Premium Disposal Groups, Including Discontinued Operations, Name [Domain] Discontinued Operations [Member] Impairment of Long-Lived Assets to be Disposed of Impairment of Long-Lived Assets to be Disposed of Disposal Group, Including Discontinued Operation, Revenue Disposal Group, Including Discontinued Operation, Revenue Disposal Group, Including Discontinued Operation, Operating Expense Disposal Group, Including Discontinued Operation, Operating Expense Disposal Group, Including Discontinued Operation, Impairment Disposal Group, Including Discontinued Operation, Impairment Disposal Group, Including Discontinued Operation, Impairment Discontinued Operation, Tax Effect of Discontinued Operation Discontinued Operation, Tax Effect of Discontinued Operation Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Related-Party Transactions Related Party Transactions Disclosure [Text Block] Series A convertible preferred, units issued Temporary Equity, Shares Issued General partner interest units outstanding Limited partners, units issued Land [Member] Land [Member] Construction in progress [Member] Construction in Progress [Member] Base gas [Member] Base Gas [Member] Base Gas Buildings and improvements [Member] Building Improvements [Member] Processing and treating plants [Member] Processing And Treating Plants [Member] Processing and treating plants. Pipelines [Member] Compressors [Member] Compressors [Member] Compressors. Equipment [Member] Equipment [Member] Computer software [Member] Computer Software, Intangible Asset [Member] Property, Plant And Equipment [Member] Property, Plant and Equipment [Member] Dock [Member] Dock [Member] Dock [Member] Tanks, truck rack and piping [Member] Tanks, truck rack and piping [Member] Tanks, truck rack and piping [Member] Property, Plant and Equipment, Net [Abstract] Property, Plant and Equipment, Net [Abstract] Property plant and equipment in useful life Property, Plant and Equipment, Useful Life Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Statement of Cash Flows [Abstract] Depreciation and Accretion Expense, Including Discontinued Operation Depreciation and Accretion Expense, Including Discontinued Operation Depreciation and Accretion Expense, Including Discontinued Operation Amortization of Financing Costs Amortization of Financing Costs Unrealized Gain (Loss) on Derivatives and Commodity Contracts Unrealized Gain (Loss) on Derivatives and Commodity Contracts Share-based Compensation Share-based Compensation Defined Benefit Plan, Net Periodic Benefit Cost Defined Benefit Plan, Net Periodic Benefit Cost Gain on sale of assets, including discontinued operations Gain on sale of assets, including discontinued operations Gain on sale of assets, including discontinued operations Deferred Income Tax Expense (Benefit), including discontinued operations Deferred Income Tax Expense (Benefit), including discontinued operations Deferred Income Tax Expense (Benefit), including discontinued operations Increase (Decrease) in Accounts Receivable Increase (Decrease) in Accounts Receivable Increase (Decrease) in Unbilled Receivables Increase (Decrease) in Unbilled Receivables Increase (Decrease) in Derivative Assets Increase (Decrease) in Derivative Assets Increase (Decrease) in Other Current Assets Increase (Decrease) in Other Current Assets Increase (Decrease) in Other Noncurrent Assets Increase (Decrease) in Other Noncurrent Assets Increase (Decrease) in Accounts Payable Increase (Decrease) in Accounts Payable Increase Decrease in Accrued Gas Purchase Increase Decrease in Accrued Gas Purchase Accrued gas purchase Increase (Decrease) in Accrued Liabilities Increase (Decrease) in Accrued Liabilities Increase (Decrease) in Asset Retirement Obligations Increase (Decrease) in Asset Retirement Obligations Increase (Decrease) in Other Operating Liabilities Increase (Decrease) in Other Operating Liabilities Acquisition Costs, Period Cost Repayments of Related Party Debt Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Risk Management Assets [Member] Risk Management Assets [Member] Risk Management Assets [Member] Risk Management Assets - Long Term [Member] Risk Management Assets - Long Term [Member] Risk Management Assets - Long Term [Member] Risk Management Liabilities [Member] Risk Management Liabilities [Member] Risk Management Liabilities [Member] Risk Management Liabilities - Long Term [Member] Risk Management Liabilities - Long Term [Member] Risk Management Liabilities - Long Term [Member] Gross Risk Management Assets Derivative Asset, Fair Value, Gross Asset Gross Risk Management Liabilities Derivative Asset, Fair Value, Gross Liability Net Risk Management Assets (Liabilities) Derivative Asset, Fair Value, Amount Not Offset Against Collateral Gross Risk Management Assets Derivative Liability, Fair Value, Gross Asset Gross Risk Management Liabilities Derivative Liability, Fair Value, Gross Liability Net Risk Management Assets (Liabilities) Derivative Liability, Fair Value, Amount Not Offset Against Collateral Fair Value Measurement Fair Value Disclosures [Text Block] Reporting Segments Segment Reporting Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Comprehensive loss Comprehensive loss attributable to Partnership Concentration Risk Disclosure [Text Block] Concentration Risk Disclosure [Text Block]