Document And Entity Information [Abstract] Document and entity information. Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets [Abstract] Securities, Class of Redeemable Preferred Stock [Axis] Security class of redeemable preferred stock. Redeemable Preferred Stocks [Domain] Redeemable preferred stock. Redeemable Preferred Stock [Member] Redeemable Preferred Stock [Member] Class of Stock [Axis] Class Of Stock [Domain] Series A Preferred Stock [Member] Series A Preferred Stock [Member] Series A Preferred Stock Series B Preferred Stock [Member] Series B Preferred Stock Assets [Abstract] ASSETS Assets, Current [Abstract] Other current assets Current assets Cash and equivalents - end of period Cash and equivalents - beginning of period Cash and Cash Equivalents, at Carrying Value Cash and equivalents Accounts Receivable, Net, Current Accounts receivable - trade, net Other Receivables Other receivables Inventory, Net Inventory Other Assets, Current Total Other Derivative Assets, Current Current derivative financial instrument asset Derivative financial instruments Assets, Current, Total Total Oil and Gas Property, Full Cost Method, Net Oil and natural gas properties, full cost method of accounting, net Pipeline Assets Net Pipeline assets, net. Pipeline assets, net Property, Plant and Equipment, Other, Net Other property and equipment, net Other Assets, Noncurrent Total Other, net Derivative Assets, Noncurrent Long-term derivative financial instrument asset Derivative financial instruments Assets, Total Total assets Identifiable assets, Total Liabilities and Stockholders' Equity [Abstract] LIABILITIES AND EQUITY Liabilities, Current [Abstract] Current liabilities Accounts Payable, Current Accounts payable Accrued Liabilities, Current Total Accrued expenses and other Estimated Litigation Liability, Current Outstanding litigation Litigation reserve Long-term Debt, Current Maturities Current portion of long-term debt Less current maturities included in current liabilities Derivative Liabilities, Current Current derivative financial instrument liability Derivative financial instruments Liabilities, Current, Total Total Derivative Liabilities, Noncurrent Long-term derivative financial instrument liability Derivative financial instruments Long-term Debt, Excluding Current Maturities Total long term debt Long-term debt Asset Retirement Obligations, Noncurrent Asset retirement obligations Other Liabilities, Noncurrent Total Other Liabilities, Total Total liabilities Commitments and Contingencies Commitments and contingencies Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity Preferred Stock, Value, Issued Preferred stock, $0.01 par value; 5,000,000 authorized shares; 215,662 and 236,231 Series B Voting Preferred Stock issued and outstanding, respectively Common Stock, Value, Issued Common stock, $0.01 par value; 40,000,000 authorized shares; 9,935,337 and 12,409,042 issued and outstanding, respectively Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Stockholders' Equity Attributable to Parent, Total Total equity Liabilities and Stockholders' Equity, Total Total liabilities and equity Redeemable Preferred Stock Par Or Stated Value Per Share Cumulative Redeemable Preferred Stock, par value Redeemable preferred stock par or stated value per share. Temporary Equity, Shares Issued Cumulative Redeemable Preferred Stock, shares issued Temporary Equity, Shares Outstanding Number of Outstanding Series A Preferred Shares, ending balance Number of Outstanding Series A Preferred Shares, beginning balance Number of outstanding Series A preferred shares Cumulative Redeemable Preferred Stock, shares outstanding Preferred stock, par value Preferred stock, par value Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred stock, shares issued Preferred stock, shares issued Preferred stock, shares outstanding Preferred stock, shares outstanding Common stock, par value Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Condensed Consolidated Statements of Operations [Abstract] Statement, Scenario [Axis] Scenario, Unspecified [Domain] Predecessor [Member] Predecessors [Member] Oil and Gas Revenue [Abstract] Revenues Oil and Gas Sales Revenue Oil and gas sales Gas Gathering, Transportation, Marketing and Processing Revenue Gathering Regulated Operating Revenue, Pipelines Pipeline Revenues Total Revenues Costs and Expenses [Abstract] Costs and expenses Oil And Gas Production Expenses Oil and gas production expenses. Production expense Natural Gas Midstream Costs Pipeline expense General and Administrative Expense General and administrative expenses General and administrative Litigation Settlement, Expense Litigation reserve Litigation reserve Depreciation, Depletion and Amortization Depreciation, depletion and amortization Gain (Loss) on Sale of Oil and Gas Property Loss (gain) on disposal of assets Gains on sale Costs and Expenses, Total Total Operating Income (Loss) Operating income (loss) Nonoperating Income (Expense) [Abstract] Other income (expense) Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Gain from derivative financial instruments Total Gains (Losses) on Restructuring of Debt Gain on forgiveness of debt Additional gain on debt restructuring Gain on forgiveness of debt Other Nonoperating Income (Expense) Other income (expense), net Interest Expense Interest expense, net Nonoperating Income (Expense), Total Total other income (expense) Income Loss Before Income Taxes And Non Controlling Interests Income (loss) before income taxes Income (loss) before income taxes and non-controlling interests. Income Tax Expense (Benefit) Income taxes Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss Net income (loss) Net income (loss) Net Income (Loss) Attributable to Parent Net income (loss) Preferred Stock Dividends, Income Statement Impact Preferred stock dividends Preferred Stock, Accretion of Redemption Discount Preferred stock accretion Net Income (Loss) Available to Common Stockholders, Basic Net income (loss) available to common stock Net income (loss) attributable to common stockholders Earnings Per Share [Abstract] Net income (loss) per common share Earnings Per Share, Basic Basic earnings (loss) per share Basic Earnings Per Share, Diluted Diluted earnings (loss) per share Diluted Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding Weighted Average Number of Shares Outstanding, Basic Denominator for basic earnings per share Basic Weighted Average Number of Shares Outstanding, Diluted Denominator for diluted earnings per share Diluted Condensed Consolidated Statements of Cash Flows [Abstract] Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to cash provided by operations Share-based Compensation Share based compensation expense Stock-based compensation Amortization of Financing Costs Amortization of deferred loan costs Unrealized Gain (Loss) on Derivatives and Commodity Contracts Change in fair value of derivative financial instruments Non cash litigation expense Non cash litigation expense. Litigation reserve Other Noncash Income (Expense) Other non-cash changes to net income Increase (Decrease) in Operating Capital [Abstract] Change in assets and liabilities Increase (Decrease) in Accounts Receivable Receivables Increase (Decrease) in Accounts Payable Payables Increase (Decrease) in Other Operating Assets and Liabilities, Net Other Net Cash Provided by (Used in) Operating Activities Net cash flows from operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities Increase (Decrease) in Restricted Cash Restricted cash Proceeds from Sale of Oil and Gas Property and Equipment Proceeds from sale of assets Net Cash Provided by (Used in) Investing Activities Net cash flows from investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities Repayments of Debt Repayment of debt Net Cash Provided by (Used in) Financing Activities Net cash flows from financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash Condensed Consolidated Statement Of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Preferred Stock [Member] Preferred Stock Additional Paid In Capital [Member] Additional Paid-In Capital Accumulated Other Comprehensive Income [Member] Accumulated Deficit Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Total Balance Balance Balance Balance, shares Balance, shares Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Restricted stock grants, net of forfeitures, shares Stock Issued During Period, Value, New Issues Issuance of common stock Stock Issued During Period, Shares, New Issues Common stock shares issued to White Deer Issuance of common stock, shares Stock Issued During Period Shares preferred Stock Stock issued during period shares preferred stock. Issuance of Series B preferred stock, shares Adjustments to Additional Paid in Capital, Warrant Issued Issuance of warrants Adjustments to Additional Paid in Capital, Dividends in Excess of Retained Earnings Preferred stock dividends Adjustments to Additional Paid in Capital, Increase in Carrying Amount of Redeemable Preferred Stock Preferred stock accretion Basis of Presentation [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation Derivative Financial Instruments [Abstract] Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Financial Instruments Fair Value Measurements [Abstract] Fair Value Disclosures [Text Block] Fair Value Measurements Asset Retirement Obligations [Abstract] Asset Retirement Obligation Disclosure [Text Block] Asset Retirement Obligations Long-Term Debt [Abstract] Redeemable Preferred Stock and Warrants [Abstract] Redeemable preferred stock and warrants. Redeemable Preferred Stock and Warrants [Text Block] Redeemable Preferred Stock and Warrants Redeemable preferred stock and warrants. Equity and Earnings Per Share [Abstract] Equity and earnings per share. Commitments and Contingencies [Abstract] Commitments And Contingencies Text Block Commitments and Contingencies Operating Segments [Abstract] Segment Reporting Disclosure [Text Block] Operating Segments Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Derivative financial instruments on the condensed consolidated balance sheets Schedule of Other Derivatives Not Designated as Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block] Gains and losses associated with derivative financial instruments Schedule of Derivative Instruments Included in Trading Activities [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Assets and liabilities measured at Fair Value on Recurring basis Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Reconciliation of changes in Fair Value of risk management assets and liabilities Schedule of change in asset retirement obligation Schedule of Change in Asset Retirement Obligation [Table Text Block] Summary of long-term debt Schedule of Maturities of Long-term Debt [Table Text Block] Temporary Equity [Table Text Block] Changes in temporary equity Schedule of Segment Reporting Information, by Segment [Table Text Block] Operating segment data Number Of Counties Number of counties Number of counties Pipeline Length Length of interstate pipeline Length of interstate pipeline. Sale of oil and gas properties Noncash or Part Noncash Divestiture, Amount of Consideration Received Escrow to cover potential claims Escrow Deposits Related to Property Sales Escrowed funds Repayments Of Long Term Lines Of Credit Stock Value Repayments of long term lines of credit stock value Repayments of long term lines of credit stock value. Selling Costs And Adjustments Selling costs and adjustments Selling costs and adjustments. Oil and Gas Property, Full Cost Method, Depletion Reduction in oil and gas full cost pool Derivative [Table] Derivative Instrument Risk [Axis] Derivative Contract Type [Domain] Commodity Contract [Member] Commodity Contracts [Member] Derivative [Line Items] Derivative Assets (Liabilities), at Fair Value, Net Derivative financial instruments, fair value Fair value, net Unrealized Gain (Loss) on Derivatives Unrealized loss from derivative financial instruments Unrealized gains (losses) Natural Gas Swaps [Member] Natural Gas Swaps [Member] Natural gas swaps. Natural Gas Basis Swaps [Member] Natural Gas Basis Swaps [Member] Natural gas basis swaps. Crude Oil Swaps [Member] Crude Oil Swaps [Member] Crude oil swaps. Estimated Period [Axis] Estimated period. Estimated Period [Domain] Estimated period. Year Ending Two Thousand Twelve [Member] Year Ending 2012 [Member] Year ending 2012. Year Ending Two Thousand Thirteen [Member] Year Ending 2013 [Member] Year ending 2013. Fair Value Measurements [Table] Fair value measurements. Fair Value Measurements [Line Items] Fair value measurements. Temporary Equity Redemption Fair Value Cumulative redeemable preferred stock, fair value Temporary equity redemption fair value. Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value by Measurement Frequency [Axis] Fair Value Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value Measurements Recurring [Member] Fair value on recurring [Member] Fair Value, Hierarchy [Axis] Fair Value Measurements Fair Value Hierarchy [Domain] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Inputs Level1 [Member] Level 1 [Member] Fair Value Inputs Level2 [Member] Level 2 [Member] Fair Value Inputs Level3 [Member] Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Derivative Financial Instruments, Liabilities, Fair Value Disclosure Derivative financial instruments - liabilities Assets And Liabilities Fair Value Disclosure Assets and liabilities fair value Assets and liabilities fair value disclosure. Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Balance at end of period Balance at beginning of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Settlements Asset Retirement Obligation Asset retirement obligations at end of period Asset retirement obligations at beginning of period Asset Retirement Obligation, Liabilities Incurred Liabilities incurred Asset Retirement Obligation, Liabilities Settled Liabilities settled Asset Retirement Obligation, Accretion Expense Accretion Asset Retirement Obligation Divestitures Divestitures Asset retirement obligation divestitures. Settlement Of Outstanding Loan Balance Common Stock Settlement of outstanding loan balance common stock Settlement of outstanding loan balance common stock. Debt Instrument, Periodic Payment Payment of secured pipeline loan Schedule of Long-term Debt Instruments [Table] Debt Instrument [Line Items] Long-term Debt, Gross Repayment of amount outstanding under the Borrowing Base Facility Total debt Borrowing base under borrowing base facility Additional Paid in Capital, Preferred Stock Increase in additional paid in capital Temporary Equity, by Class of Stock [Table] Temporary Equity [Line Items] Temporary Equity, Liquidation Preference Liquidation Value of Series A Preferred Stock, ending balance Liquidation Value of Series A Preferred Stock, beginning balance Temporary Equity, Share Subscriptions Number of Outstanding Warrants, ending balance Number of Outstanding Warrants, beginning balance Common stock, warrants to purchase Weighted Average Temporary Equity Liquidation Preference Per Share Weighted Average Exercise Price of Warrants, beginning balance Weighted average temporary equity liquidation preference per share. Weighted Average Exercise Price of Warrants, ending balance Temporary Equity, Accretion of Dividends Accrued dividends Temporary Equity Liquidation Preference Accrued Dividends Liquidation Value of Series A Preferred Stock, Accrued dividends Temporary equity liquidation preference accrued dividends. Temporary Equity Share Subscriptions Accrued Dividends Number of Outstanding Warrants, Accrued dividends Temporary equity share subscriptions accrued dividends. Weighted Average Temporary Equity Liquidation Preference Accrued Dividends Per Share Weighted Average Exercise Price of Warrants, Accrued dividends Weighted average temporary equity liquidation preference accrued dividends per share. Temporary Equity, Accretion to Redemption Value Accretion Equity and Earnings Per Share [Table] Equity and earnings per share. Equity and Earnings Per Share [Line Items] Equity and earnings per share. Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Total share-based compensation to be recognized on unvested stock awards and options Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Fair value per option Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk free rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis] Antidilutive Securities Name [Domain] Stock Options [Member] Antidilutive Stock Options [Member] Options [Member] Weighted Average Number Of Shares Outstanding Basic Excluding Unvested Share Based Awards Participating Common shares Weighted average number of shares outstanding basic excluding unvested share based awards participating. Incremental Common Shares Attributable to Call Options and Warrants Warrants Incremental Common Shares Attributable to Share-based Payment Arrangements Stock options Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Securities excluded from earnings per share calculation Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Borrowing Base Facility [Member] Borrowing Base Facility [Member] Borrowing base facility. Secured Pipeline Loan [Member] Secured Pipeline Loan [Member] Secured pipeline loan. Statement, Business Segments [Axis] Segment [Domain] Segment [Domain] Production [Member] Production [Member] Production. Pipelines [Member] Pipeline [Member] Temporary Equity, Carrying Amount, Attributable to Parent Carrying Value of Series A Preferred Stock, ending balance Carrying Value of Series A Preferred Stock, beginning balance Cumulative redeemable preferred stock, carrying value Series A Cumulative Redeemable Preferred Stock, $0.01 par value; issued and outstanding - 6,000 shares Comprehensive Income, Policy [Policy Text Block] Presentation of Comprehensive Income Fair Value Measurement, Policy [Policy Text Block] Fair Value Measurement Divestitures (Textual) [Abstract] Divestitures (Textual) [Abstract] Divestitures. Divestitures [Abstract] Divestitures. Divestitures [Text Block] Divestitures. Divestitures Fair Value Measurements (Textual) [Abstract] Fair value measurements. Fair Value Measurements (Textual) [Abstract] Long-Term Debt (Textual) [Abstract] Long-term debt. Long-Term Debt (Textual) [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Award vesting period Employee Awards Vesting Period Employee awards vesting period Employee awards vesting period. Commitments and Contingencies (Textual) [Abstract] Commitments and Contingencies (Textual) [Abstract] Commitments and contingencies. Segment Operating Profits Table Text Block Segment operating profits. Segment Operating Profits New Accounting Pronouncements, Policy [Policy Text Block] Recently Adopted Accounting Pronouncements Libor Interest Rate And Risk Premium Used To Discount Cash Flows For Determining Fair Value Of Temporary Equity LIBOR interest rate and risk premium used to discount cash flows for determining fair value of temporary equity LIBOR interest rate and risk premium used to discount cash flows for determining fair value of temporary equity. Asset Retirement Obligation Roll Forward Analysis Roll Forward Schedule of change in asset retirement obligation Summary of long-term debt Long Term Debt [Abstract] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Share-based compensation to be recognized over weighted average period Payments For Legal Settlements Funded settlements Segment Reporting Information By Segment [Abstract] Operating segment data Segment reporting information by segment. Operating Income Operating Income/Segment operating profit (loss) (1) Operating Income (loss) Operating income. Redeemable Preferred Stock and Warrants (Textual) [Abstract] Redeemable preferred stock and warrants. Redeemable Preferred Stock and Warrants (Textual) [Abstract] Equity and Earnings per Share (Textual) [Abstract] Equity and earnings per share. Equity and Earnings per Share (Textual) [Abstract] Warrant [Member] Warrant [Member] Equity And Earnings Per Share Text Block Equity and Earnings per Share Equity and earnings per share. Derivative, Gain (Loss) on Derivative, Net Realized gain from derivative financial instruments Loss From Investment In Affiliates Loss from equity investment Gain for increase in market price Loss from equity investment Loss from investment in affiliates. Proceeds from Issuance of Common Stock Proceeds from Issuance of common stock Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Restricted stock grants, net of forfeitures Other Balance Sheet Items [Abstract] Other balance sheet items. Other Balance Sheet Items Disclosure [Text Block] Other Balance Sheet Items Other balance sheet items. Equity Investment [Abstract] Prepaid Fees And Deposits Prepaid fees and deposits. Prepaid fees and deposits Accrued Expenses And Other Current Liabilities [Abstract] Accrued expenses and other Accrued expenses and other current liabilities. Other Assets, Noncurrent [Abstract] Other noncurrent assets, net Employee-related Liabilities, Current Employee-related costs and benefits Other Liabilities, Noncurrent [Abstract] Other noncurrent liabilities Other Balance Sheet Items (Textual) [Abstract] Other Balance Sheet Items (Textual) [Abstract] Other balance sheet items. Remaining Period Of Two Thousand Twelve [Member] Remainder of 2012 [Member] Remaining period of two thousand twelve. Year Ending Two Thousand Fourteen [Member] Year Ending 2014 [Member] Year ending two thousand fourteen. Year Ending Two Thousand Fifteen To Two Thousand Sixteen [Member] Year Ending 2015-2016 [Member] Year ending two thousand fifteen to two thousand sixteen. Derivative Financial Instruments (Textual) [Abstract] Derivative Financial Instruments (Textual) [Abstract] Derivative financial instruments. Contracts For Loss Contracts for loss. Contracts for loss Assets and liabilities measured at fair value on recurring basis Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract] Common Class A [Member] Common Class A [Member] Common Class B [Member] Common Class B [Member] Income (Loss) from Continuing Operations Attributable to Parent Net income (loss) from continuing operations Equity Investment (Textual) [Abstract] Equity investment. Equity Investment (Textual) [Abstract] Additional Interest Rate Additional interest rate. Additional interest rate Reduction In Borrowing On Monthly Basis Reduction in borrowing on monthly basis. Reduction in borrowing on monthly basis Additional Equity Funding Additional equity funding. Additional equity funding Gross Proceeds On Material Disposition Gross proceeds on material disposition. Gross proceeds on material disposition Restricted Stock [Member] Restricted Stock Awards [Member] Restricted Stock Units (RSUs) [Member] Restricted Stock Units [Member] Award Type [Axis] Award Type [Domain] Equity Method Investment, Realized Gain (Loss) on Disposal Loss from equity investment Segment Operating Profits [Abstract] Segment operating profits Segment operating profits. Basis Of Presentation (Textual) [Abstract] Basis of Presentation (Textual) [Abstract] Basis of presentation. Derivative financial instruments on the condensed consolidated balance sheets Derivative Assets (Liabilities), at Fair Value, Net, by Balance Sheet Classification [Abstract] Gains And Losses Associated With Derivative Financial Instruments [Abstract] Gains and losses associated with derivative financial instruments. Gains and losses associated with derivative financial instruments Reconciliation of changes in fair value of risk management assets and liabilities Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Condensed Balance Sheet [Abstract] Condensed balance sheet abstract. Condensed Balance Sheet Other Assets, Miscellaneous, Current Other Intangible Assets, Net (Excluding Goodwill) Intangible assets Deferred Finance Costs, Noncurrent, Net Deferred financing costs Deposits And Other Noncurrent Noncurrent deposits and other Deposits and other noncurrent. Interest Payable, Current Interest Accrual for Taxes Other than Income Taxes, Current Non-income related taxes Escrowed Funds Due To Third Parties Current Escrowed funds due to third parties (2) Escrowed funds due to third parties current. Fees For Services Payable Current Fees for services Fees for services payable current. Other Liabilities, Current Other Other Sundry Liabilities, Noncurrent Other Lease Termination Costs Noncurrent Lease termination costs Lease termination costs noncurrent. Estimated Litigation Liability, Noncurrent Litigation reserve (3) Escrowed Funds Released Escrowed funds Escrowed funds released. Escrowed Funds To Be Released Escrowed funds to be released Escrowed funds to be released. Escrow Deposit Of First And Second Closing Retained By Company Escrow deposit of first and second closing retained by company Escrow deposit of first and second closing retained by company. Escrow Deposit Of First And Second Closing Payment To Lender Amount paid to RBC Escrow deposit of first and second closing payment to lender Escrow deposit of first and second closing payment to lender. Escrow Deposit Of Third Closing Retained By Company Escrow deposit of third closing expected to be retained by company Escrow deposit of third closing expected to be retained by company. Escrow Deposit Of Third Closing Payment To Third Party Escrow deposit of third closing expected payment to third party Escrow deposit of third closing expected payment to third party. Estimated volumes, fixed prices and fair values attributable to all of company oil and gas derivative contracts Derivative, Fair Value, Net [Abstract] Derivative, Nonmonetary Notional Amount Contract volumes (Mmbtu) Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset And Liability Purchases Sales Issuances Settlements Transfer purchase sale or issuances of level 3 assets or liabilities Fair value measurement with unobservable inputs reconciliation recurring basis asset and liability purchases sales issuances settlements. Equity Method Investment Class B Member Interest Number Equity method investment class B Member interest number Equity method investment Class B Member interest number. Equity Investment Fair Value Per Class B Unit Equity investment fair value per Class B unit Equity investment fair value per Class B unit. Equity Method Investment, Ownership Percentage Equity investment voting interests Additional Payment To Be Made For Legal Settlements Additional payment to be made for legal settlements. Additional payment to be made for legal settlements Target Amount For Long Term Debt Target amount for long term debt. Target amount for long term debt Noncontrolling Interest, Ownership Percentage by Parent Equity interest, pledged KPC Pipeline [Member] KPC Pipeline [Member] KPC pipeline. Constellation Equity [Member] Constellation equity. Constellation Equity [Member] Borrowing Base Value On Amendment Date Borrowing base value on amendment date. Borrowing base value on amendment date Decrease Of Prior Borrowing Base Decrease of prior borrowing base. Decrease of prior borrowing base Borrowing Base Deficiency Borrowing base deficiency Borrowing base deficiency. Schedule of Summarized Financial Information of Equity Investee [Table] Schedule of summarized financial information of equity investee. Schedule of Equity Investment Equity Investee Name [Axis] Schedule of equity investment equity investee name. Schedule of Equity Investment Equity Investee Name [Domain] Schedule of equity investment equity investee name. Schedule of Summarized Financial Information of Equity Investee [Line Items] Schedule of summarized financial information of equity investee. Summarized Financial Information of Equity Investee [Abstract] Summarized financial information of CEP Summarized financial information of equity investee. CEP [Member] CEP [Member] CEP. Gross Profit Gross profit (loss) (1) Equity Investment Ownership Percentage Voting interest Equity investment ownership percentage. Right To Appoint Directors Number Of Directors Right to appoint number of directors Right to appoint directors number of directors. Schedule Of Share Based Payment Award Granted And Valuation Assumptions [Table Text Block] Option awards granted and their associated valuation assumptions Schedule of share based payment award granted and valuation assumptions. Share Based Payment Award Granted And Valuation Assumptions [Abstract] Option awards granted and their associated valuation assumptions Share-based payment award granted and valuation assumptions. Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Number of options granted Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Number of restricted stock awards/units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Fair value per restricted stock awards/units Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price Exercise price Calculation Of Numerator And Denominator In Earnings Per Share And Securities Excluded From Earnings Per Share Calculation [Abstract] Reconciliation of the numerator and denominator used in the basic and diluted per share calculations Calculation of numerator and denominator in earnings per share and securities excluded from earnings per share calculation. Equity Method Investment Class Member Interest Number Equity method investment class A member interest number. Equity method investment class A member interest number Equity Investment Fair Value Per Class Unit Equity investment fair value per class A unit Equity investment fair value per class A unit. Schedule Of Summarized Financial Information Of Equity Investee [Table Text Block] Summarized financial information of CEP Schedule of summarized financial information of equity investee. Revenue Payable Current Revenue payable Revenue payable current. Payments to Acquire Productive Assets Equipment, development, leasehold and pipeline Long-term Debt [Text Block] Long-Term Debt Schedule of Derivative Instruments [Table Text Block] Estimated volumes, fixed prices and fair values attributable to all of company oil and gas derivative contracts Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Reconciliation of the numerator and denominator used in the basic and diluted per share calculations Gain (Loss) on Sale of Derivatives Realized gains (losses) Derivative, Swap Type, Average Fixed Price Weighted-average fixed price per Mmbtu Derivative Asset, Fair Value, Gross Asset Derivative financial instruments - assets Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Realized and unrealized gains included in earnings Investments In Affiliates Disclosure [Text Block] Equity Investment Investments in affiliates disclosure. Investments in and Advances to Affiliates, at Fair Value Equity investment Contractual Obligation Contractual commitments Payments of Stock Issuance Costs Equity issuance costs Reduction In Gain on Sale of Oil And Gas Property Reduction In Gain on sale of oil and gas property Reduction in gain on sale of oil and gas property. Fair Value Assets Level Two To Level One Transfers Shares Stock transferred from level 2 to level 1 Fair value assets Level 2 to Level 1 transfers shares. Fair Value, Assets, Level 2 to Level 1 Transfers, Amount Fair value of transferred common stock Schedule of Other Assets and Other Liabilities [Table Text Block] Summary of condensed consolidated balance sheet items Proceeds From Repricing Derivatives Received proceeds from market price Proceeds from repricing derivatives. Escrow Claims Paid From Second And Third Closing Net claims for escrow funds Decrease in gain on sale of oil and gas properties Escrowed funds from first and second closing paid back to the buyer. Recovery Of Credit Stock Value Recovery of credit stock value Recovery of common stock value previously paid to lender of a long term line of credit. Oil And Gas Property Type [Axis] Oil and gas property Type. Oil And Gas Property Type [Domain] Oil and gas property type. Appalachia Shale Gas Properties [Member] Appalachia shale gas properties. Appalachia Shale Gas Properties [Member] Antidiluted Share Based Awards [Member] Antidiluted Share Based Awards. Antidiluted Share Based Awards [Member] Debt Instrument, Decrease, Repayments Net payments on the borrowing base facility Incremental Common Shares Attributable To Unvested Share Based Awards Unvested share-based awards Incremental common shares attributable to unvested share based awards. Period Of Contractual Commitments Period of contractual commitments Period of contractual commitments. Subsequent Events (Textual) [Abstract] Subsequent Events (Textual) [Abstract] Subsequent events. Preferred Stock, Liquidation Preference, Value Series A Cumulative Redeemable Preferred Stock, initial liquidation Shares Purchased Purchase Price Total purchase price of common stock Shares purchased purchase price. Common Stock Shares Purchased Share Price Common stock, par value Common stock shares purchased share price. Number Of Business Days Equity Funding To Be Obtained After Report Filing Period of equity funding was required to be obtained Number of business days equity funding to be obtained after report filing. Common Stock Shares Purchased Common stock, shares purchased Common stock shares purchased.