Related Party Transactions [Abstract] Schedule of Related Party Transactions, by Related Party [Table] Schedule of Related Party Transactions, by Related Party [Table] Related Party, By Type Of Related Party Transaction [Axis] Related Party, By Type Of Related Party Transaction [Axis] Related Party, By Type Of Related Party Transaction [Axis] Related Party, By Type Of Related Party Transaction [Domain] Related Party, By Type Of Related Party Transaction [Domain] Related Party, By Type Of Related Party Transaction [Domain] Producing well overhead (COPAS) fees [Member] Producing well overhead (COPAS) fees [Member] Producing well overhead (COPAS) fees [Member] Payment of lease operating and supervision charges [Member] Payment of lease operating and supervision charges [Member] Payment of lease operating and supervision charges [Member] Drilling and completion related charges [Member] Drilling and completion related charges [Member] Drilling and completion related charges [Member] General and Administrative Expense [Member] General and Administrative Expense [Member] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Pioneer Natural Resources Co [Member] Pioneer Natural Resources Co [Member] Pioneer Natural Resources Co [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Related Party Charges Related Party Transaction, Expenses from Transactions with Related Party Asset Retirement Obligation Disclosure [Abstract] Asset Retirement Obligations Asset Retirement Obligation Disclosure [Text Block] Asset Retirement Obligation [Abstract] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] Beginning asset retirement obligations Asset Retirement Obligation Liabilities settled Asset Retirement Obligation, Liabilities Settled New wells placed on production Asset Retirement Obligation, Liabilities Incurred Accretion of discount Asset Retirement Obligation, Accretion Expense Ending asset retirement obligations Exploratory Cost Disclosure [Abstract] -- None. No documentation exists for this element. -- Exploratory Costs Oil and Gas Exploration and Production Industries Disclosures [Text Block] Schedule of Change in Asset Retirement Obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Noncontrolling Interest [Table] Noncontrolling Interest [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Limited Partner Interest [Member] Limited Partner Interest [Member] Limited Partner Interest [Member] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Omnibus Agreement, Number of Counties Within the Southeast Region of New Mexico that Area of Operations is Limited To Omnibus Agreement, Number of Counties Within the Southeast Region of New Mexico that Area of Operations is Limited To Omnibus Agreement, Number of Counties Within the Southeast Region of New Mexico that Area of Operations is Limited To Ownership Percentage by Parent (As a Percent) Noncontrolling Interest, Ownership Percentage by Parent Income Tax Disclosure [Abstract] Income Tax [Table] Income Tax [Table] Income Tax [Table] Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Texas [Member] State and Local Jurisdiction [Member] Income Tax [Line Items] Income Tax [Line Items] Income Tax [Line Items] Margin Tax Rate (As a Percent) Effective Income Tax Rate Reconciliation, State and Local Income Taxes Deferred tax assets, current Deferred Tax Assets, Net of Valuation Allowance, Current Deferred tax liabilities, noncurrent Deferred Tax Liabilities, Net, Noncurrent Income taxes payable to affiliate Related Party Tax Expense, Due to Affiliates, Current Accounting Policies [Abstract] Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Derivative Instrument Risk [Axis] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Derivative Contract Type [Domain] Oil Contracts [Member] Oil contracts [Member] Oil contracts [Member] Trading Activity [Axis] Trading Activity [Axis] Trading Activity, by Type [Domain] Trading Activity, by Type [Domain] 2013 Collar Contracts With Short Puts [Member] Two Thousand Thirteen Collar Contracts With Short Puts [Member] Two Thousand Thirteen Collar Contracts With Short Puts [Member] 2014 Collar Contracts With Short Puts [Member] Two Thousand Fourteen Collar Contracts With Short Puts [Member] Two Thousand Fourteen Collar Contracts With Short Puts [Member] 2013 Swap Contracts [Member] Two Thousand Thirteen Swap Contracts [Member] Two Thousand Thirteen Swap Contracts [Member] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Short Put [Member] Short Put [Member] Short Put [Member] Derivative [Line Items] Derivative [Line Items] Volume (BBLs per day) Average daily oil production derivative barrels per day Average Daily Oil Production Derivative Barrels Per Day Average Price, Ceiling Derivative, Average Cap Price Average Price, Floor Derivative, Average Floor Price Average Price, Short Put Derivative, Nonmonetary Notional Amount, Price Per Unit Average Price, Fixed Derivative, Swap Type, Average Fixed Price Debt Disclosure [Abstract] Long-Term Debt Long-term Debt [Text Block] Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net Income (Loss) Attributable to Parent Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depletion, depreciation and amortization Depreciation, Depletion and Amortization Deferred income taxes Increase (Decrease) in Deferred Income Taxes Accretion of discount on asset retirement obligations Amortization of debt related costs Amortization of Financing Costs and Discounts Amortization of unit-based compensation Amortization of Unit-Based Compensation Amortization of unit based compensation. Commodity derivative related activity Unrealized Gain (Loss) on Derivatives and Commodity Contracts Other noncash expense Other Noncash Expense Change in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepaid expenses Increase (Decrease) in Prepaid Expense Accounts payable Increase (Decrease) in Accounts Payable Interest payable Increase (Decrease) in Interest Payable, Net Income taxes payable to affiliate Increase (Decrease) in Income Taxes Payable Asset retirement obligations Increase (Decrease) in Asset Retirement Obligations Other current liabilities Increase (Decrease) in Other Current 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] Additions to oil and gas properties Payments to Acquire Oil and Gas Property 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] Borrowings under credit facility Proceeds from Lines of Credit Principal payments on credit facility Repayments of Lines of Credit Payment of financing fees Payments of Financing Costs Distributions to unitholders Distribution Made to Member or Limited Partner, Cash Distributions Paid Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Net increase (decrease) in cash Cash and Cash Equivalents, Period Increase (Decrease) Cash, beginning of period Cash and Cash Equivalents, at Carrying Value Cash, end of period Fair Value Disclosures [Abstract] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value, Disclosure Item Amounts [Domain] Carrying Value [Member] Carrying (Reported) Amount, Fair Value Disclosure [Member] Fair Value [Member] Estimate of Fair Value, Fair Value Disclosure [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Credit facility Lines of Credit, Fair Value Disclosure Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Fair Value, by Balance Sheet Grouping Fair Value, by Balance Sheet Grouping [Table Text Block] Current: Current Income Tax Expense (Benefit) [Abstract] U.S. State Current State and Local Tax Expense (Benefit) Deferred: Deferred Income Tax Expense (Benefit) [Abstract] U.S. State Deferred State and Local Income Tax Expense (Benefit) Income tax provision Income Tax Expense (Benefit) Capitalized Exploratory Well Activity [Table Text Block] Capitalized Exploratory Well and Project Activity [Table Text Block] Capitalized Exploratory Well and Project Activity [Table Text Block] Costs Incurred in Oil and Gas Property Exploration Activities [Table] Costs Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities [Table] Geographical [Axis] Geographical [Axis] Segment, Geographical [Domain] Segment, Geographical [Domain] Costs Incurred, Oil and Gas Property Exploration Activities [Line Items] Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items] Beginning Capitalized Exploratory Costs Capitalized Exploratory Well Costs Additions to Exploratory Costs Pending Determination of Proved Reserves Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves Reclassification Due to Determination of Proved Reserves Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves Ending Capitalized Exploratory Costs Income Statement [Abstract] Revenues: Revenues [Abstract] Oil and gas Oil and Gas Revenue Costs and expenses: Costs and Expenses [Abstract] Oil and gas production Oil and Gas Production Expense Production and ad valorem taxes Taxes, Miscellaneous General and administrative General and Administrative Expense Interest Interest Expense Derivative losses, net Gain (Loss) on Derivative Instruments, Net, Pretax Other Other Nonoperating Income (Expense) Total cost and expenses Costs and Expenses Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income tax provision Net income Allocation of net income applicable to the Partnership: Partnership Income [Abstract] General partner's interest Net Income (Loss) Allocated to General Partners Limited partners' interest Net Income (Loss) Allocated to Limited Partners Unvested participating securities' interest Unvested Participating Securities' Interest in Net Income Unvested participating securities interest in net income. Net income applicable to the Partnership Net Income Applicable to the Partnership Net income applicable to the partnership. Net income per common unit - basic and diluted Income (Loss) from Continuing Operations, Per Outstanding Limited Partnership and General Partnership Unit, Basic and Diluted Weighted average common units outstanding - basic and diluted Weighted Average Common Units Outstanding Basic and Diluted Weighted average common units outstanding basic and diluted. Distributions declared per common unit Distributions Per Limited Partnership Unit Outstanding, Basic Schedule of Oil Derivative Contract Volumes and Weighted Average Prices Schedule of Oil Derivative Contracts volume and weighted average price [Table Text Block] Schedule of Oil Derivative Contracts Volume and Weighted Average Price [Text Block] Schedule of Gas Derivative Contract Volumes and Weighted Average Prices Schedule Of Gas Volume And Weighted Average Prices [Table Text Block] Schedule Of Gas Volume And Weighted Average Prices [Table Text Block] Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Statement of Financial Position [Abstract] General partner's interest, units issued General Partners' Capital Account, Units Issued General partner's interest, units outstanding General Partners' Capital Account, Units Outstanding Limited partners' interest, units issued Limited Partners' Capital Account, Units Issued Limited partners' interest, units outstanding Limited Partners' Capital Account, Units Outstanding Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility [Member] Revolving Credit Facility [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Outstanding Borrowings Under Credit Facility Line of Credit Facility, Amount Outstanding Remaining Borrowing Capacity Under Credit Facility Line of Credit Facility, Remaining Borrowing Capacity Minimum Hedging Requirement Per Credit Agreement (As a Percent) Minimum Hedging Requirement Under Credit Facility Credit facility requirement to maintain swap contracts on at least 50 percent of forecasted production for all periods through December 31, 2014 and thereafter on a rolling basis of not less than four quarters, but in no case past March 2017. Minimum Hedging Requirement Rolling Basis (in Years) Minimum Hedging Requirement Rolling Basis Original rolling basis period on minimum hedging requirement Minimum Hedging Requirement Amended Rolling Basis (in Quarters) Minimum Hedging Requirement Amended Rolling Basis Amended rolling basis period for minimum hedging requirement Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Gas Contracts [Member] Gas Contracts [Member] Gas Contracts [Member] 2015 Collar Contracts With Short Puts [Member] Two Thousand Fifteen Collar Contracts With Short Puts [Member] Two Thousand Fifteen Collar Contracts With Short Puts [Member] 2014 Swap Contracts [Member] Two Thousand Fourteen Swap Contracts [Member] Two Thousand Fourteen Swap Contracts [Member] 2013 Basis Swap Contracts [Member] Two Thousand And Thirteen Index Basis Swap Contracts [Member] Two Thousand and Thirteen Idex Basis Swap Contracts Second Quarter 2013 Collar Contracts [Member] Second Quarter 2013 Collar Contracts [Member] Second Quarter 2013 Collar Contracts [Member] Third Quarter 2013 Collar Contracts [Member] Third Quarter 2013 Collar Contracts [Member] Third Quarter 2013 Collar Contracts [Member] Fourth Quarter 2013 Collar Contracts [Member] Fourth Quarter 2013 Collar Contracts [Member] Fourth Quarter 2013 Collar Contracts [Member] 2013 Collar Contracts [Member] 2013 Collar Contracts [Member] 2013 Collar Contracts [Member] Volume (MMBTUs per day) Average Daily Gas Production Millions of BTU per Day Average Daily Gas Production Millions of BTU per Day Price Differential ($/MMBTU) Average Daily Index Swaps Price Differential Average Daily Index Swaps Price Differential. Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring [Member] Fair Value, Measurements, Recurring [Member] Commodity Derivatives [Member] Commodity Contract [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Significant Unobservable Inputs (Level 3) [Member] 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] Commodity Derivatives Derivative Assets Liabilities: Liabilities, Fair Value Disclosure [Abstract] Commodity Derivatives Derivative Financial Instruments, Liabilities, Fair Value Disclosure Document And Entity Information [Abstract] Document and Entity Information [Abstract] Statement [Table] Statement [Table] Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Statement [Line Items] Statement [Line Items] Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Units Outstanding Entity Common Stock, Shares Outstanding Incentive Plans [Abstract] Incentive Plans [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Restricted Units [Member] Restricted Stock Units (RSUs) [Member] Phantom Units [Member] Phantom Share Units (PSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of Units Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding at beginning of year (in units) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Units granted (in units) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Lapse of restrictions (in units) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Outstanding at end of year (in units) Incentive Plans [Table] Incentive Plans [Table] Incentive Plans [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Maximum [Member] Maximum [Member] Unit-based compensation expense Allocated Share-based Compensation Expense Unit-based compensation, unvested awards, total compensation expense unrecognized Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options Unit-based compensation arrangement, award remaining vesting period (in years) Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Other miscellaneous items [Member] Other miscellaneous items [Member] Other miscellaneous items [Member] General Partner [Member] General Partner [Member] Phantom units [Member] Due to affiliates Due to Affiliate, Current Payable to related party, current Accounts Payable, Related Parties, Current Receivable from related party, current Accounts Receivable, Related Parties, Current Restricted common units to directors, vested in period, total cash value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Cash Settlement Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Cash Settlement Award remaining vesting period (in years) Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period General and administrative expenses from transactions with related party Related Party Transaction, Selling, General and Administrative Expenses from Transactions with Related Party General and administrative expenses from transactions with related party, noncash Related Party Transaction, General and Administrative Expenses from Transactions with Related Party, Noncash Related Party Transaction, General and Administrative Expenses from Transactions with Related Party, Noncash Subsequent Events [Abstract] Subsequent Event Subsequent Events [Text Block] Schedule of Related Party Transactions Schedule of Related Party Transactions [Table Text Block] Statement of Partners' Capital [Abstract] Partner Type [Axis] Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Limited Partner [Member] Limited Partner [Member] Increase (Decrease) in Partners' Capital [Roll Forward] Increase (Decrease) in Partners' Capital [Roll Forward] Balance Partners' Capital Balance, units Partners' Capital Account, Units Cash distributions to partners Partners' Capital Account, Distributions Net income Contributions of unit-based compensation Partners' Capital Account, Unit-based Compensation Balance Balance, units Incentive Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Schedule of Unit-based Awards Activity Schedule of Nonvested Restricted Stock Units and Nonvested Phantom Units Activity [Table Text Block] Schedule of Nonvested Restricted Stock Units and Nonvested Phantom Units Activity [Table Text Block] Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Net Income Per Common Unit Earnings Per Share, Policy [Policy Text Block] Fair Value Measurements Fair Value Disclosures [Text Block] Related Party Transactions Related Party Transactions Disclosure [Text Block] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash Accounts receivable - trade Accounts Receivable, Net, Current Inventories Inventory, Net Prepaid expenses Prepaid Expense, Current Derivative assets, current Derivative Assets, Current Total current assets Assets, Current Property, plant and equipment, at cost: Property, Plant and Equipment [Abstract] Oil and gas properties, using the successful efforts method of accounting: Oil and gas properties, using the successful efforts method of accounting: [Abstract] Oil and gas properties, using the successful efforts method of accounting: [Abstract] Proved properties Proved Oil and Gas Property, Successful Effort Method Unproved properties Unproved Oil and Gas Property, Successful Effort Method Accumulated depletion, depreciation and amortization Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization Total property, plant and equipment Oil and Gas Property, Successful Effort Method, Net Derivative assets, noncurrent Derivative Assets, Noncurrent Other, net Other Assets, Noncurrent Total assets Assets LIABILITIES AND PARTNERS' EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable: Accounts Payable [Abstract] Trade Accounts Payable, Trade, Current Interest payable Interest Payable, Current Income taxes payable to affiliate Accrued Income Taxes, Current Derivative liabilities, current Derivative Liabilities, Current Asset retirement obligations Asset Retirement Obligation, Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt Long-term Debt, Excluding Current Maturities Derivative liabilities, noncurrent Derivative Liabilities, Noncurrent Asset retirement obligations Asset Retirement Obligations, Noncurrent Other noncurrent liabilities Other Liabilities, Noncurrent Partners' equity: Partners' Capital [Abstract] General partner's interest - 35,750 general partner units issued and outstanding General Partners' Capital Account Limited partners' interest - 35,713,700 common units issued and outstanding Limited Partners' Capital Account Total partners' equity Commitments and contingencies Commitments and Contingencies Total liabilities and partners' equity Liabilities and Equity Schedule of Components of Income Tax Provisions Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Not Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument [Member] Commodity Contract [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Derivative Current [Member] Derivative Current [Member] Derivative Current [Member] Derivative Noncurrent [Member] Derivative Noncurrent [Member] Derivative Noncurrent [Member] Derivative Asset, Fair Value, Gross Asset Derivative Asset, Fair Value, Gross Asset Derivative Liability, Fair Value, Gross Liability Derivative Liability, Fair Value, Gross Liability Derivative Assets and Liabilities Offset In Balance Sheet Derivative Assets and Liabilities Offset In Balance Sheet Derivative Assets and Liabilities Offset In Balance Sheet Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value Derivative losses, net Unit-based awards Compensation Related Costs, Policy [Policy Text Block] Partnership And Nature Of Operations Nature of Operations [Text Block] Income Taxes Income Tax Disclosure [Text Block] Subsequent Event [Table] Subsequent Event [Table] Distributions Made to Member or Limited Partner by Distribution Type [Axis] Distributions Made to Member or Limited Partner by Distribution Type [Axis] Distribution Type [Domain] Distribution Type [Domain] Cash Distribution [Member] Cash Distribution [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Cash distribution declared per common unit Distribution Made to Member or Limited Partner, Distributions Declared, Per Unit Aggregate distributions to be paid Distribution Made to Member or Limited Partner, Cash Distributions Declared Share Per Unit Exchange Ratio Share Per Unit Exchange Ratio Shares of stock to be exchanged for each unit