Costs and Expenses [Abstract]
Costs and expenses:
Deferred Compensation Liability, Classified, Noncurrent
Deferred compensation liabilities
Deferred Compensation Liability, Classified, Noncurrent, Total
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Vesting period
Contingent Consideration by Type [Axis]
Contingent Consideration by Type
Repayments of Senior Debt
Repayments of senior notes
Repayments of Senior Debt, Total
Segment Reporting, Policy [Policy Text Block]
Business Segment Information
Restructuring Reserve
Ending balance
Beginning balance
Accrued obligations
Restructuring Reserve, Total
Transportation and gathering commitments contingent upon pipeline construction or modification, term of contract.
Transportation And Gathering Commitments Contingent Upon Pipeline Construction Or Modification Term Of Contract
Transportation and gathering commitments contingent upon pipeline construction or modification, term of contract
Operating Loss Carryforwards
Net operating loss carryforwards
Operating Loss Carryforwards, Total
Property, Plant, and Equipment, Fair Value Disclosure
Assets, fair value
Forecast [Member]
Forecast
Oil and Gas, Delivery Commitment [Table Text Block]
Future Delivery Commitments
Restructuring Type [Axis]
Restructuring Type
Increase (decrease) in asset retirement obligations costs incurred.
Increase Decrease In Asset Retirement Obligations Costs Incurred
Asset retirement costs capitalized, net
Asset retirement obligations
Auditor Location
Other Comprehensive Income (Loss), Net of Tax
Other comprehensive income (loss)
Other Comprehensive Income (Loss), Net of Tax, Total
Extensions, Discoveries, Additions and Improved Recovery, Less Related Costs
Additions to proved reserves from extensions, discoveries and improved recovery
Repayments of Subordinated Debt
Repayment of senior or senior subordinated notes
Repayments of Subordinated Debt, Total
Energy [Domain]
Energy
Treasury Stock [Member]
Common stock held in treasury
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class
Schedule of Long-term Debt Instruments [Table Text Block]
Debt Outstanding
Counterparties not in facility.
Counterparties Not In Facility [Member]
Counterparties not in Facility
Correction of error in previously reported 2020 interim financial statements policy.
Correction Of Error In Previously Reported Two Thousand Twenty Interim Financial Statements Policy [Text Block]
Correction of Error in Previously Reported 2020 Interim Financial Statements
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average common shares outstanding:
Denominator:
Other Commitments [Axis]
Other Commitments
The maximum percentage amount that a single bank within the bank group for the credit facility currently holds.
Percentage Holding Of Commercial Banks Maximum
Percentage holding of commercial banks, Maximum
Natural gas equivalents.
Natural Gas Equivalents [Member]
Natural Gas Equivalents
Entity Emerging Growth Company
Entity Emerging Growth Company
Investment, Policy [Policy Text Block]
Marketable Securities
Credit Derivatives Contract Type [Domain]
Credit Derivatives Contract Type
Derivative Liability, Noncurrent
Derivative liabilities
The minimum commitment related to transportation agreements that must be made within the current period of the agreement.
Transportation Commitments Future Minimum Transportation Fees Due Current
2022
Income Tax Disclosure [Abstract]
Financial Instrument [Axis]
Financial Instrument
Results of Operations, Depreciation, Depletion and Amortization, and Valuation Provisions
Depletion, depreciation and amortization
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Forfeited, weighted average grant date fair value
January to june two thousand twenty one commodity contract.
January To June Two Thousand Twenty One Commodity Contract [Member]
January – June 2021 Commodity Contract
2023 Commodity Contract
Two Thousand Twenty Three Commodity Contract [Member]
Two Thousand Twenty Three Commodity Contract [Member]
Debt Instrument, Covenant Compliance
Debt instrument, covenant compliance
Geographical [Axis]
Geographical
Common stock, $0.01 par 475,000,000 shares authorized, 259,795,554 issued at December 31, 2021 and 256,353,887 issued at December 31, 2020
Common Stock, Value, Issued
Common Stock, Value, Issued, Total
Common Stock, Value, Issued, Beginning Balance
Common Stock, Value, Issued, Ending Balance
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
Restricted Stock and Restricted Stock Units Outstanding
Basis Swap [Member]
Basis Swaps
Entity Address, State or Province
Entity Address, State or Province
North louisiana contract release member.
North Louisiana Contract Release [Member]
North Louisiana Contract Release
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)
Actuarial (gain) loss
Liabilities
Total liabilities
Disaggregation of Revenue [Table Text Block]
Disaggregation of Revenue by Identified Revenue Stream
Deferred compensation arrangement gain loss.
Deferred Compensation Arrangement Gain Loss
Deferred compensation plan
Deferred compensation plan
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Risk-free interest rate
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table]
Schedule Of Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Table]
The minimum commitment related to transportation agreements that must be made within the fourth year of the agreement.
Transportation Commitments Future Minimum Transportation Fees Due In Year Four
2025
Liabilities [Abstract]
Liabilities
Accretion expense
Accretion Expense
Tabular disclosure of schedule of estimated settlement of divestiture contract obligation based on discounted value.
Schedule Of Estimated Settlement Of Divestiture Contract Obligation Based On Discounted Value Table [Text Block]
Schedule of Estimated Settlement of Divestiture Contract Obligation Based On Discounted Value
Defined Benefit Plan, Expected Amortization of Prior Service Cost (Credit), Next Fiscal Year
Estimated prior service cost amortized from accumulated other comprehensive loss into statements of operation in 2021
Production Tax Expense
Production and ad valorem taxes
Costs Associated with Exit or Disposal Activities or Restructurings, Policy [Policy Text Block]
Exit Costs
Proceeds from Sale of Oil and Gas Property and Equipment
Proceeds from sale of oil and gas properties
Costs Incurred, Acquisition of Oil and Gas Properties with Proved Reserves
Oil and gas properties
Payment, Tax Withholding, Share-based Payment Arrangement
Taxes paid for shares withheld
Amount of sale of asset recognized arising from contingent consideration.
Contingent Consideration [Member]
Contingent Consideration
Sublease Income
Sublease income
Asset Retirement Obligation, Accretion Expense
Accretion expense
Net change for the year
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Period Increase (Decrease)
Net change for the year
Capitalized Exploratory Well Costs
Capitalized Exploratory Well Costs, Ending Balance
Capitalized Exploratory Well Costs, Beginning Balance
Capitalized exploratory well costs
Capitalized Exploratory Well Costs, Total
Accounting Standards Update and Change in Accounting Principle [Text Block]
Accounting Standards
Other senior notes due two thousand twenty two.
Other Senior Notes Due Two Thousand Twenty Two [Member]
Other Senior Notes Due 2022
Estimated settlement divestiture contract obligation due in year three.
Estimated Settlement Divestiture Contract Obligation Due In Year Three
2024
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Net periodic post retirement costs (recognized in general and administrative expense)
Penalty amount paid
Penalty Paid To Third Party
Penalty paid to third party.
Fair Value, Concentration of Risk, Disclosure Items [Domain]
Fair Value, Concentration of Risk, Disclosure Items
Contingent consideration receivable
Contingent Consideration Asset Current
Amount of Receivable recognized from contingent consideration expected to be realized within one year or the normal operating cycle, if longer.
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Business Combinations [Abstract]
Cost Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities Disclosure [Table Text Block]
Costs Incurred for Property Acquisition, Exploration and Development
Tabular disclosure of key assumptions used to estimate the performance share awards.
Schedule Of Share Based Payment Award Performance Stock Awards Valuation Assumptions Table [Text Block]
Schedule of Share Based Payment Award Performance Stock Awards Valuation Assumptions
Deferred Tax Liabilities, Property, Plant and Equipment
Depreciation and depletion
Defined Contribution Plan, Employer Discretionary Contribution Amount
Employer contribution
Oil and Gas Property [Abstract]
Natural gas and oil properties:
Income taxes paid to taxing authorities
Proceeds from Income Tax Refunds
Debt Instrument, Unamortized Premium
Unamortized premium
Debt Instrument, Unamortized Premium, Total
General and Administrative Expense [Member]
General and Administrative Expense
Natural Gas, Gathering, Transportation, Marketing and Processing [Member]
Transportation, Gathering, Processing and Compression
Derivatives calls.
Derivatives Calls [Member]
Calls
Line of Credit Facility, Remaining Borrowing Capacity
Borrowing capacity available under the commitment amount
Two thousand and twenty seven.
Two Thousand And Twenty Seven [Member]
2027
Treasury stock shares distributed or sold.
Treasury Stock Shares Distributed Or Sold
Rabbi trust shares distributed and/or sold
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)
Amortization of prior service cost
Asset Retirement Obligation, Liabilities Settled
Liabilities settled
Accounts receivable, less allowance for doubtful accounts of $568 and $3,004
Accounts Receivable, after Allowance for Credit Loss, Current
Accounts Receivable, after Allowance for Credit Loss, Current, Total
Account receivable, net
Restructuring Charges
Exit and termination costs
Total termination costs
Accrued Liabilities [Member]
Accrued Liabilities [Member]
Fair Value, Recurring and Nonrecurring [Table]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]
Significant Accounting Policies [Text Block]
Summary of Significant Accounting Policies
City Area Code
City Area Code
The number of commercial banks included in the current bank group for the bank credit facility.
Number Of Commercial Banks Included In Current Bank Group
Number of commercial banks included in current bank group
NGLs C three propane.
N G Ls C Three Propane [Member]
N G Ls C Three Propane
NGLs (C3-Propane)
Deferred Tax Assets, Net of Valuation Allowance
Total deferred tax assets
Natural gas.
Naturals Gas [Member]
Natural Gas
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Abstract]
Exploration:
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Summary of Performance Share Unit Awards outstanding, Weighted Average Grant Date Fair Value
Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate
Year ultimate trend rate reached
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax [Abstract]
Postretirement benefits:
Stock issued during period value upon vesting of performance stock units.
Stock Issued During Period Value Upon Vesting Of Performance Stock Units
Issuance of common stock upon vesting of PSUs
Revenues [Abstract]
Revenues and other income:
Deferred Income Tax Liabilities, Net
Deferred tax liabilities
Deferred Income Tax Liabilities, Net, Total
Impairment of proved property and other assets.
Impairment Of Proved Property And Other Assets [Member]
Impairment of Proved Property and Other Assets
Commitments and Contingencies
Commitments and contingencies
Deferred Compensation Arrangement with Individual, Requisite Service Period
Deferred compensation plan vesting period
Defined benefit plan expected future benefit payments next five years.
Defined Benefit Plan Expected Future Benefit Payments Next Five Years
Expected future benefit payments for the five year period 2026 through 2030
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract]
Amounts recognized in the consolidated balance sheet:
March two thousand eighteen grant.
March Two Thousand Eighteen Grant [Member]
March 2018 Grant
Extractive Industries [Abstract]
Stock Issued During Period, Shares, New Issues
Issuance of common stock, shares
Performance stock units issued
Federal Income Tax Expense (Benefit), Continuing Operations
U.S. federal, Total
Federal Income Tax Expense (Benefit), Continuing Operations, Total
Debt Instrument, Basis Spread on Variable Rate
Interest rate margin
Mark-to-market gain (loss)
Marketable Securities, Unrealized Gain (Loss)
Marketable Securities, Unrealized Gain (Loss), Total
Scenario [Axis]
Scenario
Proved Developed Reserves (Energy)
Proved developed reserves
Petroleum Reserves [Axis]
Petroleum Reserves
Amount of (increase) decrease in standardized measure of discounted future net cash flow as a result of sales and transfers of oil and gas produced.
Oil And Gas Production Costs
Natural gas, NGLs and oil sales, net of production costs
Derivative Asset, Current
Derivative assets
Gas gathering facilities.
Gas Gathering Facilities [Abstract]
Gas gathering facilities:
Income (loss) before income taxes
Results of Operations, Income before Income Taxes
Proved developed and undeveloped reserve revision of positive pricing and performance.
Proved Developed And Undeveloped Reserve Revision Of Positive Pricing And Performance
Revision of positive pricing and performance
Changes in Estimated Future Development Costs
Changes in future development and abandonment costs
The identified quantity of reserves associated with proved undeveloped well locations that are scheduled to be drilled more than five years from their original date of booking.
Proved Undeveloped Reserves Carried Beyond Five Years
Proved undeveloped reserves reported for more than five years
Related Party [Domain]
Related Party
Exploration Expense
Exploration
Federal and State.
Federal And State [Member]
Federal and State
Potential payout of shares granted.
Potential Payout Of Shares Granted
Potential payout of shares granted
The number of Proved Undeveloped Reserves dropped in the current year due to the application of the five year rule.
Proved Un Developed Reserves Dropped
Proved undeveloped reserves dropped
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Income Statement [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]
Restricted stock equity awards.
Restricted Stock Equity Awards [Member]
Restricted Stock Equity Awards
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]
Deferred Tax Assets, Tax Deferred Expense
Net operating loss carryforward
Deferred Tax Assets, Tax Deferred Expense, Total
Net Cash Provided by (Used in) Investing Activities
Net cash (used in) provided from investing activities
Debt Disclosure [Text Block]
Indebtedness
Commitments and Contingencies, Policy [Policy Text Block]
Contingencies
The minimum commitment related to transportation agreements that must be made within the specified time period of the agreement.
Transportation Commitments Future Minimum Transportation Fees Due
Transportation, Gathering and Processing Contracts
Asset Retirement Obligation, Current
Asset retirement obligations
Less current portion
Asset Retirement Obligation, Current, Beginning Balance
Asset Retirement Obligation, Current, Ending Balance
Percentage of royalty disposed.
Percentage Of Royalty Disposed
Percentage of royalty disposed
General and Administrative Expense
General and administrative
General and Administrative Expense, Total
Property, Plant and Equipment, Net
Other Property and equipment, net
Property, Plant and Equipment, Net, Beginning Balance
Property, Plant and Equipment, Net, Ending Balance
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), before Tax
Prior service cost
Common Stock, Shares, Issued
Ending balance Shares
Beginning balance Shares
Common stock, shares issued
Common Stock, Shares, Issued, Total
Repayments of Long-term Lines of Credit
Repayments on credit facilities
Oil and Gas, Undeveloped Acreage, Minimum Remaining Term
Minimum remaining terms of leases on undeveloped acreage, in years
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Forfeited
Forfeited
Two thousand and thirty three.
Two Thousand And Thirty Three [Member]
2033
Call swaptions.
Call Swaptions [Member]
Call Swaptions
Percentage threshold by which reserves estimates will not differ from the auditors.
Percentage Of Reserves Estimates Not Differ From Auditors
Statement that reserve estimates differ from auditors
Business Exit Costs
Exit cost
Statement of Comprehensive Income [Abstract]
MarchTwoThousandSeventeenGrantMember
March Two Thousand Seventeen Grant [Member]
March 2017 Grant
Deferred Tax Liabilities, Gross
Total deferred tax liabilities
Deferred Tax Liabilities, Gross, Total
Operating Lease, Right-of-Use Asset
Operating lease right-of-use assets
Operating lease ROU assets
Disclosure fair value measurements carrying amounts and fair values of financial instruments.
Disclosure Fair Value Measurements Carrying Amounts And Fair Values Of Financial Instruments [Abstract]
Other transportation and field assets.
Other Transportation And Field Assets [Member]
Other property and equipment
The calculated ratio that relates to the debt covenant requirement to maintain a ratio of debt to EBITDAX, as defined in the credit agreement.
Debt Covenant Ratio Of Debt To E B I T D A X
Ratio of debt to EBITDAX
Security Exchange Name
Security Exchange Name
Five percent senior subordinated notes due two thousand twenty two.
Five Percent Senior Subordinated Notes Due Two Thousand Twenty Two [Member]
5.00% Senior Subordinated Notes Due 2022
Divestiture contract obligation.
Divestiture Contract Obligation
Divestiture contract obligation
Statistical Measurement [Domain]
Statistical Measurement
Crude Oil and Natural Gas Liquids (NGL) [Member]
Crude Oil and NGL
Actual development costs incurred.
Actual Development Costs Incurred
Actual development costs incurred during the period
Long-Term Debt, Maturity, Year Three
2024
Schedule of Derivative Instruments [Table Text Block]
Derivative Volumes Hedged and Average Hedge Prices
Derivative Asset
Commodity swaps, collar, options and basis swaps
Derivative Asset, Total
Basic net income (loss) attributed to common stockholders
Net Income (Loss) Available to Common Stockholders, Basic
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage
Annual rate of commitment fee paid on the undrawn balance
Types of share awards available for grant.
Types Of Share Awards Available For Grant
Types of awards available for grant
Amount of cash settlements recorded in the current period for settled derivative financial instruments that do not qualify for hedge accounting.
Cash Proceeds And Settlements On Derivatives
Cash settlements on derivative financial instruments
Measurement Input, Price Volatility [Member]
Measurement Input, Price Volatility
Derivatives, Policy [Policy Text Block]
Derivative Financial Instruments
Subsequent Event Type [Domain]
Subsequent Event Type
Line of Credit Facility, Maximum Borrowing Capacity
Bank credit facility, maximum amount
Debt Disclosure [Abstract]
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Development Costs
Development
Document Period End Date
Document Period End Date
Income Statement Location [Axis]
Income Statement Location
Accrued Liabilities, Current
Accrued liabilities
Accrued Liabilities, Current, Total
Base Rate [Member]
Alternate Base Rate
Costs and Expenses
Total costs and expenses
Total costs and expenses
Diluted net income (loss) attributed to common stockholders
Net Income (Loss) Available to Common Stockholders, Diluted
Type of Restructuring [Domain]
Type of Restructuring
Loss Contingencies [Table]
Common Stock, Shares Authorized
Common stock, shares authorized
Unproved Oil and Gas Property, Successful Effort Method
Net book value of unproved properties
Unproved properties
Estimated settlement divestiture contract obligation due in year two.
Estimated Settlement Divestiture Contract Obligation Due In Year Two
2023
Use of Estimates, Policy [Policy Text Block]
Use of Estimates
Operating Lease, Liability, Current
Accrued liabilities – current
Two Point Two Percent Bank Debt [Member]
Two Point Two Percent Bank Debt [Member]
2.2% Bank Debt
Employees.
Employees [Member]
Employees
Related Party [Axis]
Related Party
Undiscounted future net cash flows relating to proved oil and gas asset retirement costs estimation.
Undiscounted Future Net Cash Flows Relating To Proved Oil And Gas Asset Retirement Costs Estimation
Undiscounted future asset retirement costs estimation
Lessee Disclosure [Abstract]
Derivative Contract [Domain]
Derivative Contract
Lease Agreements [Member]
Leases
Adjustments to reconcile net income (loss) to net cash provided from operating activities
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Concentration Risk Benchmark [Domain]
Concentration Risk Benchmark
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Stock excluded from earning per share calculation
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Income Tax Expense
Future income tax expense
Schedule of Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table Text Block]
Proved Developed and Undeveloped Reserves
Long-Term Debt, Maturity, Year Two
2023
Schedule of Long-term Debt Instruments [Table]
Debt Instrument [Table]
Derivative, Nonmonetary Notional Amount
Volume Hedged
Summary of significant accounting policies.
Summary Of Significant Accounting Policies [Line Items]
Summary Of Significant Accounting Policies [Line Items]
Number of counterparties amount to be paid.
Number Of Counterparties Amount To Be Paid
Number of counterparties amount payable
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Equity compensation
Debt Instrument, Maturity Date
Maturity date of loan
Interest Paid, Excluding Capitalized Interest, Operating Activities
Interest paid
The calculated ratio that relates to the debt covenant requirement to maintain a required current ratio as defined in the credit agreement.
Debt Covenant Current Ratio
Current ratio
Settlements
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements
Effective Income Tax Rate Reconciliation, Percent
Consolidated effective tax rate
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Fair Value Hierarchy Table for Assets and Liabilities Measured at Fair Value
Deferred Tax Assets, Net [Abstract]
Deferred tax assets:
State and Local Income Tax Expense (Benefit), Continuing Operations
U.S. state and local, Total
State and Local Income Tax Expense (Benefit), Continuing Operations, Total
Change in valuation allowances other.
Change In Valuation Allowances Other
Other
Entity Address, Address Line Two
Entity Address, Address Line Two
Current Fiscal Year End Date
Current Fiscal Year End Date
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
Exit and Termination Costs Included in Accrued Liabilities in Consolidated Balance Sheet
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
(Decrease) increase in cash and cash equivalents
Portion at Fair Value Measurement [Member]
Fair Value Disclosure Item Amounts [Default]
Portion at Fair Value Measurement [Member] [Default]
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
Supplemental Cash Flow Information
Operating Lease, Cost
Operating lease cost
Changes in capitalized exploratory well costs.
Schedule Of Changes In Capitalized Exploratory Well Costs [Text Block]
Schedule Of Changes In Capitalized Exploratory Well Costs
Income taxes.
Income Taxes [Line Items]
Income Taxes [Line Items]
Delivery commitments contingent upon pipeline construction or modification.
Delivery Commitments Contingent Upon Pipeline Construction Or Modification
Delivery commitments contingent upon pipeline construction or modification per day
NGLs C five natural gasoline.
N G Ls C Five Natural Gasoline [Member]
N G Ls C Five Natural Gasoline
NGLs (C5-Natural Gasoline)
Deferred Tax Assets, Other
Other
Decrease Due to Sales of Minerals in Place
Sales of reserves in place
2022 Commodity Contract
Two Thousand Twenty Two Commodities Contract [Member]
Two Thousand Twenty Two Commodities Contract [Member]
Schedule of supplemental balance sheet information related to operating leases.
Schedule Of Supplemental Balance Sheet Information Related To Operating Leases Table [Text Block]
Supplemental Balance Sheet Information Related to Operating Leases
Disaggregation of Revenue [Table]
Disaggregation Of Revenue [Table]
Assets [Abstract]
Assets
Estimate of Fair Value Measurement [Member]
Estimate of Fair Value Measurement
Changes in proved undeveloped reserves.
Changes In Proved Undeveloped Reserves Table [Text Block]
Changes in Proved Undeveloped Reserves
Credit Derivatives Contract Type [Axis]
Credit Derivatives Contract Type
Lessee, Operating Lease, Liability, to be Paid, Year One
2022
Derivative, Swap Type, Average Fixed Price
Weighted Average Hedge Price, Swap
Weighted average price of hedge
Accounts Payable, Current
Accounts payable
Accounts Payable, Current, Total
Debt Instrument, Name [Domain]
Debt Instrument, Name
Due twenty twenty three.
Due Twenty Twenty Three [Member]
2023
Debt Instrument, Face Amount
Aggregate principal amount
Common Stock, Par or Stated Value Per Share
Common stock, par value
Revenue from Contract with Customer [Policy Text Block]
Revenue Recognition, Accounts Receivable and Gas Imbalances
Income Tax Expense (Benefit) Attributable to Income (Loss) Before Income Taxes
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings
Total gains (losses) included in earnings
Natural Gas and Natural Gas Liquids [Member]
Natural Gas, Per Thousand Cubic Feet
State and Local Jurisdiction [Member]
State, net of federal benefit
State
Basic
Weighted Average Number of Shares Outstanding, Basic
Weighted Average Number of Shares Outstanding, Basic, Total
Oil and Gas Delivery Commitments and Contracts [Axis]
Oil and Gas Delivery Commitments and Contracts
Additional Paid in Capital, Common Stock
Additional paid-in capital
Additional Paid in Capital, Common Stock, Beginning Balance
Additional Paid in Capital, Common Stock, Ending Balance
Proved reserve and pre - tax present value of reserve discounted.
Proved Reserve And Pretax Present Value Of Reserve Discounted
Proved reserve and pretax present value of reserve discounted
PANAMA
Pennsylvania
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax
Amortization of prior service costs
Amortization of prior service cost
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Components of Net Periodic Post Retirement Benefit Cost:
Current Income Tax Expense (Benefit)
Current
Total, Current
Environmental Costs, Policy [Policy Text Block]
Environmental Costs
Stockholders' Equity Note [Abstract]
Five point seven five percent senior subordinated notes due two thousand twenty one.
Five Point Seven Five Percent Senior Subordinated Notes Due Two Thousand Twenty One [Member]
5.75% Senior Subordinated Notes Due 2021
Proved Undeveloped Reserves (Energy)
Ending proved undeveloped reserves at December 31, 2020
Proved undeveloped reserves
Beginning proved undeveloped reserves at December 31, 2020
Document Type
Document Type
Spread swaps.
Spread Swap [Member]
Spread Swaps
Divestiture fee obligation non-current.
Divestiture Fee Obligation Non Current
Divestiture contract obligation
Divestiture contract obligation
Potential contractual payout of contingent consideration.
Potential Contractual Payout Of Contingent Consideration
Potential Contractual Payout Of Contingent Consideration
Proved undeveloped reserves purchases and sales.
Proved Undeveloped Reserves Purchases And Sales
Sale
Sales
Number of counter parties not included in bank credit facility.
Number Of Counter Parties Not Included In Bank Credit Facility
Number of counterparties
Domestic Tax Authority [Member]
Federal
Restructuring reserve accretion of discount
Restructuring Reserve Accretion Of Discount
Accretion of discount
Effective Income Tax Rate Reconciliation, Percent [Abstract]
The minimum commitment related to transportation agreements that must be made within the second year of the agreement.
Transportation Commitments Future Minimum Transportation Fees Due In Year Two
2023
Energy [Axis]
Energy
Preferred Stock, Value, Issued
Preferred stock, $1 par 10,000,000 shares authorized, none issued and outstanding
Preferred Stock, Value, Issued, Total
Preferred Stock, Value, Issued, Beginning Balance
Preferred Stock, Value, Issued, Ending Balance
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items]
Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities [Line Items]
Derivative [Line Items]
Derivative [Line Items]
Operating Lease, Liability, Noncurrent
Operating lease liabilities
Operating lease liabilities – long-term
Operating lease liabilities - long-term
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount
Balance at the end of the year
Balance at the beginning of the year
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Beginning Balance
SEC Schedule, 12-09, Valuation Allowances and Reserves, Amount, Ending Balance
Natural Gas Liquids [Member]
NGLs
NGLs sales
The cash inflow from the sales of common stock held by the deferred compensation plan.
Proceeds From Sale Of Common Stock Held By Deferred Compensation Plan
Proceeds from the sales of common stock held by the deferred compensation plan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Abstract]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Table]
Long-Term Debt, Maturity, after Year Five
Thereafter
Schedule of Defined Benefit Plans Disclosures [Table Text Block]
Summary of Change in Post Retirement Benefit Obligation
Assets, Current
Total current assets
Total current assets
New stock purchase program, approved amount
Stock Repurchase Program, Authorized Amount
Non-core assets.
Non Core Assets [Member]
Non-Core Assets
Bank debt
The carrying value as of the balance sheet date of the noncurrent portion of long-term obligations drawn from a line of credit gross of unamortized debt issuance costs, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) post balance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.
Long Term Line Of Credit Gross Of Debt Issuance Costs
Allowance for bad debt
Bad debt (income) expense
Accounts Receivable, Credit Loss Expense (Reversal)
Costs Incurred, Development Costs
Development
Nine point two five percent senior notes due two thousand twenty six.
Nine Point Two Five Percent Senior Notes Due Two Thousand Twenty Six [Member]
9.25% Senior Notes Due 2026
Derivative, Average Floor Price
Weighted average price of hedge, Floor
January to september two thousand twenty one commodity contract.
January To September Two Thousand Twenty One Commodity Contract [Member]
January To September 2021 Commodity Contract
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Noncurrent portion of the carrying amount of a liability for an asset retirement obligation plus other noncurrent liability amounts. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.
Asset Retirement Obligations Non Current And Other
Asset retirement obligations and other liabilities
Type of Reserve [Domain]
Type of Reserve
Number of shares value each unit represents at grant date.
Number Of Shares Value Each Unit Represents At Grant Date
Number of share value each unit represents at grant date
Five point seven five percent senior notes due two thousand twenty one.
Five Point Seven Five Percent Senior Notes Due Two Thousand Twenty One [Member]
5.75% Senior Notes Due 2021
Long-term Debt, Type [Domain]
Long-term Debt, Type
Disclosure fair value measurements fair value hierarchy table for assets and liabilities measured at fair value.
Disclosure Fair Value Measurements Fair Value Hierarchy Table For Assets And Liabilities Measured At Fair Value [Abstract]
Deferred Federal Income Tax Expense (Benefit)
U.S. federal, Deferred
Asset Retirement Obligation, Revision of Estimate
Change in estimate
Oil and Gas Delivery Commitments and Contracts, Daily Production
Oil and Gas Delivery Commitments and Contracts, Daily Production
Proceeds from Sale and Maturity of Marketable Securities
Proceeds from the sales of marketable securities held by the deferred compensation plan
Proceeds from Sale and Maturity of Marketable Securities, Total
Asset Retirement Obligations, Noncurrent
Long-term asset retirement obligations
Asset Retirement Obligations, Noncurrent, Total
Income tax benefit
Income Tax Expense (Benefit)
Income tax benefit
Total (benefit) expense for income taxes
Payments to Acquire Oil and Gas Property and Equipment
Additions to natural gas and oil properties
Payments to Acquire Oil and Gas Property and Equipment, Total
Swaption [Member]
Swaption
Restructuring Reserve [Roll Forward]
Exit costs included in accrued liabilities in consolidated balance sheet
Line of Credit Facility, Interest Rate During Period
Weighted average interest rate on the bank credit facility
Schedule of Nonvested Performance-based Units Activity [Table Text Block]
Summary of Non-Vested Awards Activities
Environmental Exit Cost by Property [Axis]
Environmental Exit Cost by Property
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Cash Inflows
Future cash inflows
Consolidation, Policy [Policy Text Block]
Basis of Presentation and Principles of Consolidation
Loss Contingencies [Line Items]
Measurement Basis [Axis]
Measurement Basis
Costs Incurred, Acquisition of Oil and Gas Properties
Acreage purchases
Costs Incurred, Acquisition of Oil and Gas Properties, Total
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Outstanding, Ending Balance
Outstanding, Beginning Balance
Due twenty twenty seven.
Due Twenty Twenty Seven [Member]
2027
Proved undeveloped reserves transferred to developed dollar spent.
Proved Undeveloped Reserves Transferred To Developed Dollar Spent
Cost spent on undeveloped reserves transferred to developed reserves
Derivative [Table]
Derivative [Table]
Potential payout of shares on performance units granted.
Potential Payout Of Shares On Performance Units Granted
Potential payout of shares granted
Potential payout of shares on performance units granted
Proved Developed and Undeveloped Reserves, Extensions, Discoveries, and Additions
Extensions, discoveries and additions
Impaired Long-Lived Assets Held and Used, Asset Name [Domain]
Impaired Long-Lived Assets Held and Used, Asset Name
Cost incurred transportation and field equipment costs.
Cost Incurred Transportation And Field Equipment Costs
Development
2029
Two Thousand And Twenty Nine [Member]
Two thousand and twenty nine.
Senior Notes
Senior notes
Senior Notes, Total
Subordinated Debt [Member]
Subordinated Debt [Member]
Ethane and natural gas equivalents.
Ethane And Natural Gas Equivalents [Member]
Ethane and Natural Gas Equivalents
Common Stock, Shares, Outstanding
Ending balance
Beginning balance
Current State and Local Tax Expense (Benefit)
U.S. state and local, Current
Deferred Tax Liabilities, Derivatives
Cumulative mark-to-market gain
Asset Retirement Obligation, Liabilities Incurred
Liabilities incurred
Plan Name [Axis]
Plan Name
Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure [Table Text Block]
Capitalized Costs and Accumulated Depreciation, Depletion and Amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Accumulated depreciation and amortization
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance
SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis]
SEC Schedule, 12-09, Valuation Allowances and Reserves Type
Sensitivity of devemopment plan member
Sensitivity Of Devemopment Plan [Member]
Sensitivity Of Devemopment Plan
Disposal Groups, Including Discontinued Operations [Table]
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Table]
Charged to provision for income taxes.
Charged To Provision For Income Taxes [Abstract]
Charged to provision for income taxes:
Due twenty twenty six.
Due Twenty Twenty Six [Member]
2026
Line of Credit Facility, Current Borrowing Capacity
Bank credit facility, borrowing base
Transfers out of Level 3
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net, Total
Number of financial institutions included in counterparties.
Number Of Financial Institutions Included In Counterparties
Number of financial institutions included in counter parties
Deferred Income Tax Expense (Benefit)
Deferred
Total, Deferred
Deferred income tax benefit
Due Twenty Twenty Five [Member]
Due twenty twenty five.
2025
Gain (Loss) on sale of assets
(Loss) gain on the sale of assets
Gain (Loss) on Disposition of Oil and Gas Property
(Loss) gain on the sale of assets
(Gain) loss on the sale of assets
Gain (Loss) on Disposition of Oil and Gas Property, Total
Nine point two five percentage senior notes due two thousand twenty six.
Nine Point Two Five Percentage Senior Notes Due Two Thousand Twenty Six [Member]
9.25% Senior Notes Due 2026
Lease, Cost
Total lease expense
Weighted Average Number of Shares Outstanding, Diluted [Abstract]
Financial Instruments [Domain]
Financial Instruments
Net Cash Provided by (Used in) Operating Activities [Abstract]
Operating activities:
Crude Oil
Crude Oil [Member]
Oil and Gas
Oil and Gas [Member]
Deferred Tax Liabilities, Other
Other
Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]
Assets:
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Schedule of Lease Liabilities with Enforceable Contract Terms are Greater Than One year Mature
Earnings Per Share, Diluted
Diluted
Earnings Per Share, Diluted, Total
Earnings Per Share [Abstract]
Net loss per common share:
Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Oil and Gas Reserves
End of year
Beginning of year
Standardized measure of discounted future net cash flows
Lessee, Operating Lease, Liability, to be Paid, Year Two
2023
Net income (loss)
Net Income (Loss) Attributable to Parent
Net loss
Net income (loss)
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Reconciliation Between Statutory Federal Income Tax Rate and Effective Income Tax
Concentration Risk, Credit Risk, Policy [Policy Text Block]
Concentrations of Credit Risk
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Net Cash Flows
Total future net cash flows before 10% discount
Prepaid and other
Increase (Decrease) in Prepaid Expenses, Other
Operating Lease, Weighted Average Discount Rate, Percent
Weighted average discount rate
Standardized Measure of Discounted Future Cash Flows Relating to Proved Reserves Disclosure [Table Text Block]
Standardized Measure of Discounted Future Net Cash Flows
Document Fiscal Period Focus
Document Fiscal Period Focus
Capacity releases on certain transportation pipelines.
Capacity Releases On Transportation Pipelines [Member]
Capacity Releases on Transportation Pipelines
Accounting Policies [Abstract]
Accumulated Other Comprehensive Income (Loss), Net of Tax
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total
Schedule of supplemental cash flow information related to operating leases.
Schedule Of Supplemental Cash Flow Information Related To Operating Leases Table [Text Block]
Supplemental Cash Flow Information Related to Operating Leases
Entity Address, Address Line One
Entity Address, Address Line One
OKLAHOMA
Oklahoma
Direct operating expense.
Direct Operating Expense [Member]
Direct Operating
Retirement Plan Type [Axis]
Retirement Plan Type
Counterparties in a receivable position.
Counterparties In Receivable Position [Member]
Counterparties in a Receivable position
Liabilities, Current
Total current liabilities
Total current liabilities
Asset Retirement Obligation Disclosure [Abstract]
Earnings Per Share Reconciliation [Abstract]
Revisions of Previous Quantity Estimates
Revisions in quantities
Performance share units - production growth awards and reserve growth awards.
Performance Share Units Production Growth And Reserve Growth Awards [Member]
Performance-based PG-PSUs and RG-PSUs
Entity Address, Postal Zip Code
Entity Address, Postal Zip Code
Title of Individual [Axis]
Title of Individual
Debt Instrument, Fair Value Disclosure
Senior notes
Debt Instrument, Fair Value Disclosure, Total
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax
Actuarial gain (loss)
Net (gain) loss
Capitalized Exploratory Well Costs that Have Been Capitalized for Period of One Year or Less
Capitalized Exploratory Well Costs that Have Been Capitalized for Period of One Year or Less
Treasury Stock, Shares
Ending balance
Beginning balance
Common stock held in treasury, shares
Treasury Stock, Shares, Total
Industry Specific Policies [Abstract]
Capitalized Exploratory Well Cost, Charged to Expense
Capitalized Exploratory Well Cost, Charged to Expense
Natural gas, natural gas liquids and oil sales.
Natural Gas Natural Gas Liquids And Oil Sales [Member]
Natural Gas, NGLs and Oil Sales
Lessee, Operating Lease, Liability, to be Paid
Total lease payments
Product and Service [Domain]
Product and Service
Revenues
Total revenues and other income
Total revenues and other income
Class of Stock Disclosures [Abstract]
Class Of Stock Disclosures [Abstract]
Non employee director.
Non Employee Director [Member]
Non-Employee Directors
Disclosure commitments and contingencies schedule of estimated settlement of divestiture contract obligation abstract.
Disclosure Commitments And Contingencies Schedule Of Estimated Settlement Of Divestiture Contract Obligation [Abstract]
Net Cash Provided by (Used in) Operating Activities
Net cash provided from operating activities
Common Stock, Dividends, Per Share, Declared
Common dividends declared per share
Subordinated Long-term Debt, Noncurrent
Senior subordinated notes
Accounts Receivable, after Allowance for Credit Loss
Accounts receivable
Accounts Receivable, after Allowance for Credit Loss, Total
January-June 2022
January To June Two Thousand Twenty Two Commodity Contract [Member]
January to june two thousand twenty two commodity contract [Member].
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations
Cash and cash equivalents at end of year
Cash and cash equivalents at beginning of year
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total
Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract]
Weighted average assumptions used to determine benefit obligation:
Equity Components [Axis]
Equity Components
Schedule of Capital Units [Table Text Block]
Schedule of Changes in Number of Common Shares Outstanding
Lease, Cost [Table Text Block]
Schedule of Components of Lease Expense
Other Commitments [Domain]
Other Commitments
Assets, Current [Abstract]
Current assets:
Net Increase (Decrease) in Sales and Transfer Prices and Production Costs
Changes in prices and production costs
Variable Lease, Cost
Variable lease expense
Entity Registrant Name
Entity Registrant Name
The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method including deferred amounts.
Share Based Compensation Including Deferred Amounts
Deferred and stock-based compensation
Debt Instrument, Unamortized Discount (Premium), Net
Net proceeds after underwriting expenses
Debt Instrument, Unamortized Discount (Premium), Net, Total
Amount of costs incurred related to oil and gas property acquisition, exploration and development activities, including capitalized costs and costs charged to expense subtotal, prior to impact of asset retirement obligation and discontinued operations.
Cost Incurred Of Oil And Gas Properties
Subtotal
Fair Value, by Balance Sheet Grouping [Table Text Block]
Carrying Amounts and Fair Values of Financial Instruments
PENNSYLVANIA
Pennsylvania
2035
Two Thousand And Thirty Five [Member]
Two thousand and thirty five.
2037
Two Thousand And Thirty Seven [Member]
Two thousand and thirty seven.
Proved Developed and Undeveloped Reserve, Revision of Previous Estimate (Energy)
Revisions
Revisions of previous estimates
Freight contract.
Freight Contract [Member]
Freight
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]
Stockholders' Equity Note Disclosure [Text Block]
Capital Stock
Oil and condensate sales
Oil [Member]
Crude Oil and Condensate
Entity Interactive Data Current
Entity Interactive Data Current
Disposal Group Name [Axis]
Disposal Group Name
Entity Address, City or Town
Entity Address, City or Town
Vested shares held in rabbi trust.
Vested Shares Held In Rabbi Trust
Vested shares held in rabbi trust
Maximum amount term for short term leases.
Maximum Amount Term For Short Term Leases
Maximum amount term for short term leases
Unamortized Debt Issuance Expense
Unamortized debt issuance costs
Unamortized debt issuance costs
Number of revenue streams.
Number Of Revenue Streams
Number of revenue streams
The non cash activity for the current period related to the change in accrued capital expenditures.
Change In Accrued Capital Expenditures
Decrease in accrued capital expenditures
Decrease in accrued capital expenditures
Concentration of Credit or Market Risk [Axis]
Concentration of Credit or Market Risk
Trading Symbol
Trading Symbol
Estimate reserve information average realized prices.
Estimate Reserve Information Average Realized Prices
Estimate reserve information average realized prices
Proved Developed and Undeveloped Reserves, Production
Production
Exploration drilling costs incurred
Results of operations exploration drilling.
Results Of Operations Exploration Drilling
Net Cash Provided by (Used in) Investing Activities [Abstract]
Investing activities:
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Less effects of discounting
Tabular disclosure of schedule of transportation commitments future minimum transportation fees due table text block.
Schedule Of Future Minimum Transportation Fees Due Table [Text Block]
Schedule of Future Minimum Transportation Fees Due
Accounts Receivable, Allowance for Credit Loss, Current
Allowance for doubtful accounts on accounts receivable
2031
Due Twenty Thirty One [Member]
Due twenty thirty one.
Schedule of Asset Retirement Obligations [Table Text Block]
Asset Retirement Obligation
Asset Retirement Obligation
End of period
Beginning of period
Asset Retirement Obligation, Total
Local Phone Number
Local Phone Number
Payments for purchases of treasury stock.
Payments For Purchases Of Treasury Stock
Treasury stock purchases
Common Stock, Dividends, Per Share, Cash Paid
Cash dividends paid per share
Stockholders' Equity Attributable to Parent
Ending balance
Beginning balance
Total stockholders’ equity
Total stockholders' equity
Payments of Debt Issuance Costs
Debt issuance costs
Subsequent Event Type [Axis]
Subsequent Event Type
Share-based Payment Arrangement, Accelerated Cost
Accelerated vesting of equity grants
Payments to acquire acreage property.
Payments To Acquire Acreage Property
Acreage purchases
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member]
Valuation Allowance of Deferred Tax Assets
Miscellaneous sales.
Miscellaneous Sales [Member]
Miscellaneous Proved, Unproved Properties and Surface Acreage
Operating Lease, Payments
Cash paid for amounts included in the measurement of lease liabilities
Allocated share based compensation expense (benefit).
Allocated Share Based Compensation Expense Benefit
Stock-based compensation expense
Stock-based compensation (income) expense
Preferred Stock, Shares Issued
Preferred stock, shares issued
Preferred Stock, Shares Issued, Total
Transportation commitments contingent upon construction and modification.
Transportation Commitments Contingent Upon Construction And Modification
Transportation commitments contingent upon pipeline construction or modification
Statistical Measurement [Axis]
Statistical Measurement
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss) [Abstract]
Other Changes in Benefit Obligations in Other Comprehensive Income (Loss):
Exit costs [Member].
Exit Costs [Member]
Exit Costs
Entity Small Business
Entity Small Business
Preferred Stock, Shares Outstanding
Preferred stock, shares outstanding
Preferred Stock, Shares Outstanding, Beginning Balance
Preferred Stock, Shares Outstanding, Ending Balance
Leases
Lessee, Leases [Policy Text Block]
Fair Value Hierarchy and NAV [Domain]
Fair Value Hierarchy and NAV
APIC, Share-based Payment Arrangement, Increase for Cost Recognition
Stock-based compensation expense
APIC, Share-based Payment Arrangement, Increase for Cost Recognition, Total
Operating loss carryforwards subject to expiration.
Operating Loss Carryforwards Subject To Expiration
Net operating loss carryforward subject to expiration
Oil and Gas Property, Successful Effort Method, Net
Natural gas and oil properties, successful efforts method, net
Long-term Debt, Excluding Current Maturities
Total debt
Variable Rate [Axis]
Variable Rate
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Significant Components of Deferred Tax Assets and Liabilities
Long-term Line of Credit, Noncurrent
Bank debt
Bank debt
Variable Rate [Domain]
Variable Rate
Income taxes.
Income Taxes [Table]
Income Taxes [Table]
Revisions of previous estimates.
Revisions Of Previous Estimates [Abstract]
Revisions of previous estimates
Treasury Stock.
Treasury Stock Policy [Text Block]
Treasury Stock
Brokered natural gas and marketing expense.
Brokered Natural Gas And Marketing Expense [Member]
Brokered Natural Gas and Marketing Expense
Property, Plant and Equipment, Useful Life
Useful life of assets
Derivatives excluding basis swaps and freight swaps.
Derivatives Excluding Basis Swaps And Freight Swaps [Member]
Derivatives Excluding Basis Swaps And Freight Swaps
Balance Sheet Location [Axis]
Balance Sheet Location
Collars.
Collars [Member]
Collars
January To October Two Thousand Twenty One Commodity Contract [Member].
January To October Two Thousand Twenty One Commodity Contract [Member]
January – October 2021 Commodity Contract
Achieved return on common stock as calculated compared to peers to determine actual payout of the Total Shareholder Return performance units.
Return On Common Stock Percentile
Return on common stock percentile
Interest Costs Capitalized
Interest capitalized during the period
Costs Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities [Table]
Costs Incurred In Oil And Gas Property Acquisition Exploration And Development Activities [Table]
Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year
Capitalized Exploratory Well Costs that Have Been Capitalized for Period Greater than One Year
Restructuring reserve accrued contract obligations
Accrued contract obligations
Restructuring Reserve Accrued Contract Obligations
Proved Developed and Undeveloped Oil and Gas Reserve Quantities [Table]
Proved Developed And Undeveloped Oil And Gas Reserve Quantities [Table]
Derivative Asset, Fair Value, Gross Asset
Estimated fair value of contingent consideration
Gross Amounts of Recognized Assets
Derivative Asset, Fair Value, Gross Asset, Total
Increase in debt instrument basis spread on variable rate1.
Increase In Debt Instrument Basis Spread On Variable Rate1
Increase in the applicable margin basis points on drawn facility balances
Other Postretirement Benefits Plan [Member]
Other Post Retirement Benefits
Derivative Liability, Fair Value, Gross Liability
Gross Amounts of Recognized (Liabilities)
Derivative Liability, Fair Value, Gross Liability, Total
Five percent senior subordinated notes due two thousand twenty three.
Five Percent Senior Subordinated Notes Due Two Thousand Twenty Three [Member]
5.00% Senior Subordinated Notes Due 2023
Proved developed and undeveloped reserve revision of positive pricing.
Proved Developed And Undeveloped Reserve Revision Of Positive Pricing
Revisions of positive pricing
Equity [Abstract]
Five percent senior notes due two thousand twenty two.
Five Percent Senior Notes Due Two Thousand Twenty Two [Member]
5.00% Senior Notes Due 2022
2034
Two Thousand And Thirty Four [Member]
Two thousand and thirty four.
Number of active stock based plans.
Number Of Active Stock Based Plans
Active equity-based stock plans
Percentage of proved resources reviewed by consultants.
Percentage Of Proved Resources Reviewed By Consultants
Percentage of proved resources reviewed by consultants
Defined Benefit Plan, Assumptions [Table Text Block]
Summary of Assumptions Used to Determine Benefit Obligation
Class of Treasury Stock [Table Text Block]
Schedule of Change in Treasury Shares
Derivative Asset, Fair Value, Gross Liability
Gross Amounts Offset in the Balance Sheet
Revenue from Contract with Customer [Abstract]
Lessee, Operating Lease, Liability, to be Paid, after Year Five
Thereafter
Plan Name [Domain]
Plan Name
Asset Retirement Obligation Disclosure [Text Block]
Asset Retirement Obligations
Defined benefit plan expected future benefit payments first five years.
Defined Benefit Plan Expected Future Benefit Payments First Five Years
Expected future benefit payments for the five year period 2021 through 2025
Contingent Consideration Type [Domain]
Contingent Consideration Type
Asset Retirement Obligation and Environmental Cost [Policy Text Block]
Asset Retirement Obligations
Class of Stock [Line Items]
Class Of Stock [Line Items]
Derivative Instrument [Axis]
Derivative Instrument
Long-Term Debt, Maturity, Year One
2022
Income Tax Authority [Axis]
Income Tax Authority
Depreciation
Depreciation expense
Depreciation, Total
Operating Loss Carryforwards, Expiration Date
Period during which net operating loss carryforwards and alternative minimum tax expire
Lessee, Operating Lease, Term of Contract
Lessee, operating lease, contract term
Change in Valuation Allowances
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
State, net of federal benefit
Share-based Payment Arrangement [Member]
Equity Compensation
Revenue from Contract with Customer Benchmark [Member]
Revenue Contract with Customer
Disclosure income taxes significant components of deferred tax assets and liabilities.
Disclosure Income Taxes Significant Components Of Deferred Tax Assets And Liabilities [Abstract]
Stock Issued During Period, Value, New Issues
Issuance of common stock
Line of credit facility bank committed amount.
Line Of Credit Facility Bank Committed Amount
Bank commitments
Due twenty twenty four.
Due Twenty Twenty Four [Member]
2024
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, before Tax
Total recognized in other comprehensive (loss) income
Interest Expense
Interest
Interest Expense, Total
Oil and Gas Delivery Commitments and Contracts, Oil Producing Property [Domain]
Oil and Gas Delivery Commitments and Contracts, Oil Producing Property
Environmental Exit Costs, Name of Property [Domain]
Environmental Exit Costs, Name of Property
Operating Expense [Member]
Direct Operating Expense
Notes Payable to Banks [Member]
Notes Payable to Banks
Defined Benefit Plan, Interest Cost
Interest cost
Five point eight seven five percent senior notes due two thousand twenty two.
Five Point Eight Seven Five Percent Senior Notes Due Two Thousand Twenty Two [Member]
5.875% Senior Notes Due 2022
Estimated settlement divestiture contract obligation due in year five.
Estimated Settlement Divestiture Contract Obligation Due In Year Five
2026
Northern Oklahoma.
Northern Oklahoma [Member]
Northern Oklahoma
Prepaid Expense and Other Assets, Current
Prepaid and other current assets
Leases
Deferred tax liabilities, lease.
Deferred Tax Liabilities Lease
Lease deferred tax liabilities
Long-Lived Tangible Asset [Domain]
Long-Lived Tangible Asset
Derivative amount receivable.
Derivative Amount Receivable
Derivative amount receivable
Long-term Debt, Gross
Total debt
The amount recognized during the year by the disposition of wells which is associated with an asset retirement obligation.
Asset Retirement Obligation Disposition Of Wells
Disposition of wells
Loss on settlement of royalty claims
Loss On Settlement Of Royalty Claims
Loss on settlement of royalty claims.
Current Federal Tax Expense (Benefit)
U.S. federal, Current
Fair Value Measurements, Nonrecurring [Table Text Block]
Value of Assets Measured at Fair Value on Nonrecurring Basis
Estimated settlement divestiture contract obligation due in year thereafter.
Estimated Settlement Divestiture Contract Obligation Due In Year Thereafter
Thereafter
Less current maturities of long-term debt
Long-term Debt, Current Maturities
Current maturities of long-term debt
Long-term Debt, Current Maturities, Total
Two thousand and twenty one member.
Two Thousand And Twenty One [Member]
2021
Capital Units, Authorized
Authorized capital stock
Net Cash Provided by (Used in) Financing Activities
Net cash used in financing activities
Commitments and Contingencies Disclosure [Abstract]
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
ROU assets added in exchange for lease obligations
Vested, weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Eight Point Two Five Percentage Senior Notes due Two Thousand Twenty Nine1 member.
Eight Point Two Five Percentage Senior Notes Due Two Thousand Twenty Nine1 [Member]
8.25% senior notes due 2029
Assets
Total assets
Fair Value, Inputs, Level 2 [Member]
Fair Value, Inputs, Level 2
The minimum commitment related to transportation agreements that must be made thereafter period of the agreement.
Transportation Commitments Future Minimum Transportation Fees Due Thereafter
Thereafter
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Ten Percent Annual Discount for Estimated Timing of Cash Flows
10% annual discount
Shares held in rabbi trust.
Shares Held In Rabbi Trust
Shares held in rabbi trust total
Statement [Line Items]
Statement [Line Items]
Liabilities and Equity
Total liabilities and stockholders’ equity
Total liabilities and stockholders' equity
Stock Issued During Period, Value, Treasury Stock Reissued
Treasury stock issuance
Balance Sheet Location [Domain]
Balance Sheet Location
Brokered natural gas, marketing and other.
Brokered Natural Gas Marketing And Other [Member]
Brokered Natural Gas, Marketing and Other
Change in non-recoverable deferred tax assets.
Changes In Non Recoverable Deferred Tax Assets
Non-recoverable deferred tax assets
Statement of Cash Flows [Abstract]
Impairment of Oil and Gas Properties
Impairment of proved properties and other assets
Additional Paid-in Capital [Member]
Additional Paid-in Capital
Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves
Capitalized Exploratory Well Cost, Additions Pending Determination of Proved Reserves
Income Tax Examination, Penalties and Interest Accrued
Accrued interest or penalties related to tax amounts
Income Tax Examination, Penalties and Interest Accrued, Total
Title of 12(b) Security
Title of 12(b) Security
Derivative, Average Price Risk Option Strike Price
Weighted Average Hedge Price, Sold Put
Total comprehensive income (loss)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Comprehensive income (loss)
Estimated future development costs over next five years.
Estimated Future Development Costs Over Next Five Years
Estimated future development costs over next five years
Divestiture fee obligation.
Divestiture Fee Obligation
Divestiture fee obligation
Divestiture contract obligation
Derivative Liability, Fair Value, Gross Asset
Gross Amounts Offset in the Balance Sheet
Fair Value, Inputs, Level 3 [Member]
Fair Value, Inputs, Level 3
Revenue less expenses related to brokering natural gas. The entity realizes a brokered margin as a result of buying and selling natural gas in back to back transactions.
Net Brokered Natural Gas Margin Gain Loss
Net brokered margin gain (loss)
Sensitivity flat plant allocation percentage member
Sensitivity Flat Plant Allocation Percentage [Member]
Sensitivity Flat Plant Allocation Percentage
Treasury stock shares acquired and issued.
Treasury Stock Shares Acquired And Issued
Treasury shares
Debt Instrument [Line Items]
Debt Instrument [Line Items]
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Proved Oil and Gas Property, Successful Effort Method
Properties subject to depletion
Additions
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease), Total
Award Type [Domain]
Award Type
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value
Balance at December 31, 2020
Balance at December 31, 2021
Divestiture contract obligation.
Divestiture Contract Obligation [Member]
Divestiture Contract Obligation
FairValueAssumptionsExpectedVolatilityRate1
Fair Value Assumptions Expected Volatility Rate1
Implied volatilities
Fair Value Hierarchy and NAV [Axis]
Fair Value Hierarchy and NAV
Contracts settle in two thousand and twenty one.
Contracts Settle In Two Thousand And Twenty One [Member]
Contracts Settle in 2021
Oil and Gas Property, Successful Effort Method, Gross
Natural gas and oil properties, successful efforts method
Total
Supplemental Cash Flow Elements [Abstract]
Derivative Asset, Noncurrent
Derivative assets
Derivative Assets, Noncurrent, Total
Fair Value, Inputs, Level 1 [Member]
Fair Value, Inputs, Level 1
Schedule of Maturities of Long-term Debt [Table Text Block]
Schedule for Long-Term Debt Outstanding
Lessee, Operating Lease, Liability, to be Paid, Year Four
2025
Percentage of redemption
Debt Instrument, Interest Rate, Stated Percentage
Base rate on debt
Deferred Tax Assets, Net
Deferred tax liabilities
Net deferred tax liability
Deferred Tax Assets, Net, Total
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent
Valuation allowances
Performance-based PS-PSUs and RS-PSUs
Performance-based Internal Performance Awards
Performance Shares Awards Based On Production Per Share Awards And Reserve Per Share Awards [Member]
Performance shares awards based On production per share awards and reserve per share awards.
Restricted Stock [Member]
Restricted Stock
Fair Value, by Balance Sheet Grouping [Table]
Fair Value By Balance Sheet Grouping [Table]
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences related to non-current deferred compensation expense.
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Deferred Compensation Non Current
Deferred compensation
January-March 2022
January To March Two Thousand Twenty Two Commodity Contract [Member]
January to march two thousand twenty two commodity contract.
Schedule of Changes in Standardized Measure of Discounted Future Net Cash Flows [Table Text Block]
Changes in Discounted Future Net Cash Flows
Entity Current Reporting Status
Entity Current Reporting Status
Asset retirement obligations
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Asset Retirement Obligations
Revenue from Contract with Customer [Text Block]
Revenues from Contracts with Customers
Common Stock Dividends, Shares
Performance stock dividends
Payments to Acquire Marketable Securities
Purchases of marketable securities held by the deferred compensation plan
Payments to Acquire Marketable Securities, Total
Noncash Investing and Financing Items [Abstract]
Non-cash investing and financing activities included:
Measurement Input Type [Domain]
Measurement Input Type
Derivative amount payable.
Derivative Amount Payable
Net derivative liability
Entity Voluntary Filers
Entity Voluntary Filers
Scenario [Domain]
Scenario
Five percent senior notes due two thousand twenty three.
Five Percent Senior Notes Due Two Thousand Twenty Three [Member]
5.00% Senior Notes Due 2023
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Restructuring and Related Activities Disclosure [Text Block]
Exit and Termination Costs
Documents Incorporated by Reference [Text Block]
Documents Incorporated by Reference
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Granted, weighted average grant date fair value
Grant date fair value per unit
Performance Shares [Member]
Performance Share
Payments of Ordinary Dividends, Common Stock
Dividends paid
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
Maximum percentage of employers contribution in cash
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
Allocation of Stock-Based Compensation by Functional Category
Proved Developed and Undeveloped Reserve, Production (Energy)
Production
Retirement Benefits [Abstract]
Summary of significant accounting policies.
Summary Of Significant Accounting Policies [Table]
Summary Of Significant Accounting Policies [Table]
Derivative fair value (loss) income
Derivative fair value loss (income)
Derivative, Gain (Loss) on Derivative, Net
Derivative Fair Value Income (Loss)
Derivative, Gain (Loss) on Derivative, Net, Total
Net quantities of an enterprise's interests in proved undeveloped reserves of either crude oil (including condensate and natural gas liquids), natural gas, synthetic oil and gas, or other renewable natural resource that transferred to proved developed reserves by the end of the period.
Proved Undeveloped Reserves Transferred To Developed
Undeveloped reserves transferred to developed
Defined Benefit Plan, Benefit Obligation, Benefits Paid
Benefits paid
Stock Repurchased During Period, Shares
Shares repurchased
Due twenty twenty two.
Due Twenty Twenty Two [Member]
2022
Deferred State and Local Income Tax Expense (Benefit)
U.S. state and local, Deferred
Ethane and propane member.
Ethane And Propane [Member]
Ethane and Propane
Results of Operations, Production or Lifting Costs
Costs and expenses
Schedule of Weighted Average Number of Shares [Table Text Block]
Basic Weighted Average Common Shares Outstanding to Diluted Weighted Average Common Shares Outstanding
AOCI Attributable to Parent [Member]
Accumulated other comprehensive loss
Reserves Additions Attributable To Natural Gas
Reserve additions attributable to natural gas
Reserves additions attributable to natural gas.
Auditor Firm ID
Long-term Debt, Type [Axis]
Long-term Debt, Type
Income Statement Location [Domain]
Income Statement Location
Interest expense carryforward
Deferred Tax Asset, Interest Carryforward
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
Reconciliation of the Beginning and Ending Balances for Derivative Instruments Classified as Level 3 in the Fair Value Hierarchy
Oil and Gas Properties [Member]
Natural Gas and Oil Properties
Auditor Name
Reported Value Measurement [Member]
Reported Value Measurement
Earnings Per Share, Basic
Basic
Earnings Per Share, Basic, Total
Preferred Stock, Shares Authorized
Preferred stock, shares authorized
Eight point two five percentage senior notes due two thousand twenty nine.
Eight Point Two Five Percentage Senior Notes Due Two Thousand Twenty Nine [Member]
8.25% Senior Notes Due 2029
Defined Benefit Plan, Service Cost
Service cost
Schedule of weighted average remaining lease term and weighted average discount rate for operating leases.
Schedule Of Weighted Average Remaining Lease Term And Weighted Average Discount Rate For Operating Leases Table [Text Block]
Schedule of Weighted Average Remaining Lease Term and Weighted Average Discount Rate for Operating Leases
Deferred financing cost related to bank credit facility
Deferred Costs
Deferred Costs, Total
Restructuring and Related Costs [Table Text Block]
Summary of Exit and Termination Costs
Reserve Quantities [Line Items]
Reserve Quantities [Line Items]
Proved Developed and Undeveloped Reserve, Extension and Discovery (Energy)
Extensions, discoveries and additions
Proved reserves from drilling activities and evaluations of proved areas
Three-Way Collars.
Three Way Collars [Member]
Three Way Collars
Three-Way Collars
Minimum [Member]
Minimum [Member]
Liability, Defined Benefit Plan, Noncurrent
Long-term liabilities
Liability, Defined Benefit Plan, Noncurrent, Total
Measurement Frequency [Domain]
Measurement Frequency
Fair value of total consideration for sale.
Fair Value Of Total Consideration For Sale
Fair value of total consideration for sale
Number of acres sold.
Number Of Acres Sold
Number of acres sold
January to march two thousand twenty one commodity contract member.
January To March Two Thousand Twenty One Commodity Contract [Member]
January To March Two Thousand Twenty One Commodity Contract
Percentage allocated to estimated production volumes in contract obligation facilities.
Percentage Allocated To Estimated Production Volumes In Contract Obligation Facilities
Estimated production volumes, percentage
Restructuring Cost and Reserve [Line Items]
Restructuring Cost And Reserve [Line Items]
Number of counterparties amount to be received.
Number Of Counterparties Amount To Be Received
Number of counterparties amount receivable
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Granted
Amortization of deferred financing costs and other
Other Operating Activities, Cash Flow Statement
The minimum commitment related to transportation agreements that must be made within the fifth year of the agreement.
Transportation Commitments Future Minimum Transportation Fees Due In Year Five
2026
Proved developed and undeveloped reserve revision of negative pricing.
Proved Developed And Undeveloped Reserve Revision Of Negative Pricing
Revision of negative pricing
Impaired Long-Lived Assets Held and Used by Type [Axis]
Impaired Long-Lived Assets Held and Used by Type
Summary of Valuation Allowance [Table Text Block]
Changes in Deferred Tax Asset Valuation Allowances
Document Annual Report
Document Annual Report
Asset Impairment Charges
Impairment on natural gas and oil properties
Impairment of proved properties and other assets
Asset Impairment Charges, Total
Deferred Tax Assets, Valuation Allowance
Valuation allowances
Valuation allowances
Deferred Tax Assets, Valuation Allowance, Total
Derivative Asset, Fair Value, Amount Not Offset Against Collateral
Net Amounts of Assets Presented in the Balance Sheet
Standardized Measure of Discounted Future Net Cash Flow of Proved Oil and Gas Reserves, Other
Timing and other
4.75% Senior Notes Due 2030
Four Point Seven Five Percent Senior Notes Due Two Thousand Thirty [Member]
Four point seven five percent senior notes due two thousand thirty.
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule Of Defined Benefit Plans Disclosures [Table]
Net Cash Provided by (Used in) Financing Activities [Abstract]
Financing activities:
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
Unrecognized compensation related to Awards
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total
Proceeds from Sale of Productive Assets
Proceeds from disposal of assets
Proceeds from Sale of Productive Assets, Total
Debt Instrument [Axis]
Debt Instrument
This amount is the future net cash flows less the computed discount prior to the impact of tax expense and discount.
Discounted Future Net Cash Flows Relating To Prove Oil And Gas Reserves Future Income Before Tax Expense
Future net cash flows before income taxes
Entity Filer Category
Entity Filer Category
Income Tax, Policy [Policy Text Block]
Deferred Taxes
Severance Costs
Severance costs
Accrued severance costs
Document Fiscal Year Focus
Document Fiscal Year Focus
Proved undeveloped reserves.
Proved Undeveloped Reserves [Abstract]
Proved undeveloped reserves:
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule Of Antidilutive Securities Excluded From Computation Of Earnings Per Share [Table]
Performance Share Units Production Growth Awards [Member]
Performance share units production growth awards under share-based payment arrangement.
Interest Payable, Current
Accrued interest
North Louisiana assets.
North Louisiana Assets [Member]
North Louisiana Assets
Derivative Liability, Current
Derivative liabilities
Performance Share Units Reserve Growth Awards [Member]
Performance share units reserve growth awards under share-based payment arrangement.
Retained Earnings (Accumulated Deficit)
Retained deficit
Retained Earnings (Accumulated Deficit), Total
Retained Earnings (Accumulated Deficit), Beginning Balance
Retained Earnings (Accumulated Deficit), Ending Balance
Effect of dilutive securities
Weighted Average Number Diluted Shares Outstanding Adjustment
Weighted Average Number Diluted Shares Outstanding Adjustment, Total
Oil and Gas Exploration and Production Industries Disclosures [Text Block]
Supplemental Information on Natural Gas and Oil Exploration, Development and Production Activities (Unaudited)
Four point eight seven five percent senior notes due two thousand twenty five.
Four Point Eight Seven Five Percent Senior Notes Due Two Thousand Twenty Five [Member]
4.875% Senior Notes Due 2025
Maximum remaining terms of leases and concessions on undeveloped acreage.
Maximum Remaining Terms Of Leases And Concessions On Undeveloped Acreage
Maximum remaining terms of leases on undeveloped acreage, in years
Pennsylvania Department of Environmental Protection (“PDEP”)
Pennsylvania Department Of Environmental Protection [Member]
Pennsylvania Department of Environmental Protection.
Exploration expense.
Exploration Expense [Member]
Exploration Expense
Expense
Income Tax Disclosure [Text Block]
Income Taxes
Letters of Credit Outstanding, Amount
Undrawn letters of credit
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Change in Benefit Obligation:
Proved undeveloped reserves removed and deferred.
Proved Un Developed Reserves Removed And Deferred
Proved undeveloped reserves removed and deferred
Fair Value Disclosures [Abstract]
Proved Developed and Undeveloped Reserves, Revisions of Previous Estimates
Revisions
Due twenty twenty eight.
Due Twenty Twenty Eight [Member]
2028
Short-term Lease, Cost
Short-term lease expense / costs
Capitalized Exploratory Well Costs [Abstract]
Maximum [Member]
Maximum
Entity Central Index Key
Entity Central Index Key
Exploration Abandonment and Impairment Expense
Abandonment and impairment of unproved properties
Suspended Well Costs Disclosure [Text Block]
Suspended Exploratory Well Costs
Divestiture fee obligation current.
Divestiture Fee Obligation Current
Divestiture contract obligation
Divestiture contract obligation
Long-Term Debt, Maturity, Year Five
2026
Measurement Input Type [Axis]
Measurement Input Type
Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]
(Liabilities):
Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities
Total costs incurred
Additional Cash Flow Elements, Operating Activities [Abstract]
Net cash provided from operating activities included:
Lines of Credit, Fair Value Disclosure
Bank credit facility
Cash and Cash Equivalents, Policy [Policy Text Block]
Cash and Cash Equivalents
Operating loss carryforwards not subject to expiration.
Operating Loss Carryforwards Not Subject To Expiration
Net operating loss carryforward not subject to expiration
SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain]
SEC Schedule, 12-09, Valuation Allowances and Reserves
Entity Tax Identification Number
Entity Tax Identification Number
Termination costs.
Termination Costs [Member]
Termination Costs
Equity Component [Domain]
Equity Component
Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year
Initial healthcare trend rate
Results of Operations, Exploration Expense
Exploration costs incurred
Expense
Preferred Stock, Par or Stated Value Per Share
Preferred stock, par value
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Expected annual volatility
Loss (gain) on early extinguishment of debt
Gain on early extinguishment of debt
Loss (gain) on early extinguishment of debt
Gain (Loss) on Extinguishment of Debt
Gain (Loss) on Extinguishment of Debt, Total
Property, Plant and Equipment, Policy [Policy Text Block]
Other Property and Equipment
SEC Schedule, 12-09, Valuation Allowances and Reserves, Period Increase (Decrease)
Net operating loss carryforwards
SEC Schedule, 12-09, Valuation Allowances and Reserves, Period Increase (Decrease), Total
Accounting Standards Update and Change in Accounting Principle [Abstract]
Stock issued during period shares upon vesting of performance stock units.
Stock Issued During Period Shares Upon Vesting Of Performance Stock Units
Issuance of common stock upon vesting of PSUs, shares
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Abstract]
NGLs N C four normal butane.
N G Ls N C Four Normal Butane [Member]
N G Ls N C Four Normal Butane
NGLs (NC4-Normal Butane)
Estimated settlement divestiture contract obligation due.
Estimated Settlement Divestiture Contract Obligation Due
Divestiture Contract Obligation
Income Tax Authority [Domain]
Income Tax Authority
Trading securities held in the deferred compensation plans
Debt Securities, Trading, and Equity Securities, FV-NI
Debt Securities, Trading, and Equity Securities, FV-NI, Total
Disclosure commitments and contingencies schedule of future minimum transportation and gathering fees.
Disclosure Commitments And Contingencies Schedule Of Future Minimum Transportation And Gathering Fees [Abstract]
Proved Developed and Undeveloped Reserves, Sale of Mineral in Place (Energy)
Property sales
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition
Weighted average period
Proved developed reserve.
Proved Developed Reserve [Abstract]
Proved developed reserves:
Natural gas delivery commitments.
Natural Gas Delivery Commitments [Member]
Natural Gas
Proceeds from Long-term Lines of Credit
Borrowings on credit facilities
Swap [Member]
Swap
Swaps
Deferred Tax Liabilities, Gross [Abstract]
Deferred tax liabilities:
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Other marketing revenue.
Other Marketing Revenue [Member]
Other marketing revenue
Increase (Decrease) in Accounts Receivable
Accounts receivable
Changes in Future Income Tax Expense Estimates on Future Cash Flows Related to Proved Oil and Gas Reserves
Net change in income taxes
Proceeds from (Repayments of) Bank Overdrafts
Change in cash overdrafts
Deferred tax assets, lease.
Deferred Tax Assets Lease
Lease deferred tax assets
Statement [Table]
Statement [Table]
Operating Lease, Weighted Average Remaining Lease Term
Weighted average remaining lease term
Scheduled drilling period maximum for undeveloped reserves.
Scheduled Drilling Period Maximum For Undeveloped Reserves
Scheduled to be drilling period maximum for undeveloped reserves
Northwest Pennsylvania.
Northwest Pennsylvania [Member]
Northwest Pennsylvania
Entity File Number
Entity File Number
Payments to acquire field service assets.
Payments To Acquire Field Service Assets
Additions to field service assets
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
LOUISIANA
Louisiana
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
Combined Fair Value of Derivatives, by Consolidated Balance Sheets
Retained Earnings [Member]
Retained (deficit)/earnings
Total Revenues from Contracts with Customers
Total Revenue
Revenue from Contract with Customer, Excluding Assessed Tax
Total Revenue
Costs Incurred, Acquisition of Oil and Gas Properties [Abstract]
Acquisitions
Increase (Decrease) in Accounts Payable
Accounts payable
Increase (Decrease) in Accounts Payable, Total
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent
Goodwill impairment
Oil and Gas Property, Successful Effort Method, Accumulated Depreciation, Depletion and Amortization
Accumulated depletion and depreciation
Accumulated depreciation, depletion and amortization
Liabilities, Current [Abstract]
Current liabilities:
Exploration dry hole costs.
Exploratonand Dry Hole Costs
Exploration dry hole costs
Share-based Payment Arrangement [Text Block]
Stock-based Compensation Plans
Commitments and contingencies disclosures.
Commitments And Contingencies Disclosure [Line Items]
Commitments And Contingencies Disclosure [Line Items]
Houston.
Houston [Member]
Houston
Subsequent Event [Member]
Subsequent Event
Contracts Settle in 2022
Contracts Settle In Two Thousand And Twenty Two [Member]
Contracts Settle In Two Thousand And Twenty Two [Member]
Net income (loss) per common share:
Earnings Per Share, Basic and Diluted [Abstract]
Derivative Liability, Fair Value, Amount Not Offset Against Collateral
Net Amounts of (Liabilities) Presented in the Balance Sheet
Derivative Liability, Fair Value, Amount Not Offset Against Collateral, Total
Commitments and Contingencies Disclosure [Text Block]
Commitments and Contingencies
Operating Lease, Liability
Operating lease liabilities
Operating Lease, Liability, Total
Payments for Restructuring
Payments
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate
Discount rate
Share-based compensation arrangement by share-based payment award equity instruments other than options vested and issued in period.
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Issued In Period
Shares vested and issued related to performance period number of common stock
Vested and issued
Common Stock [Member]
Common Stock
Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves, Accretion of Discount
Accretion of discount
Entity Public Float
Entity Public Float
Property, Plant and Equipment, Other, Gross
Other property and equipment
The historical amount range that the internal calculations from reserve engineers have differed from the reserve consultants.
Maximum Historical Percent Difference From Consultants
Variance in reserve estimates
Two thousand and thirty four through two thousand and thirty five.
Two Thousand And Thirty Four Through Two Thousand And Thirty Five [Member]
2034 Through 2035
Retirement Plan Type [Domain]
Retirement Plan Type
Cover [Abstract]
Natural gas basis swap.
Natural Gas Basis Swap [Member]
Natural Gas Basis Swaps
Weighted Average [Member]
Weighted Average
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Outstanding, Ending Balance, weighted average grant date fair value
Outstanding, Beginning Balance, weighted average grant date fair value
Disposal Group Name [Domain]
Disposal Group Name
Derivative Instruments, Gain (Loss) [Table Text Block]
Effects of Derivatives on Consolidated Statements of Operations
MayTwoThousandSeventeenGrantMember
May Two Thousand Seventeen Grant [Member]
May 2017 Grant
Statement of Stockholders' Equity [Abstract]
Due Twenty Thirty One to Twenty Thirty Two.
Due Twenty Thirty One to Twenty Thirty Two [Member]
2031-2032
Eight point two five percent senior notes due two thousand twenty nine.
Eight Point Two Five Percent Senior Notes Due Two Thousand Twenty Nine [Member]
8.25% Senior Notes Due 2029
Defined Benefit Plan, Amount Recognized in Net Periodic Benefit Cost (Credit) and Other Comprehensive (Income) Loss, before Tax
Total recognized in net periodic benefit cost and other comprehensive income
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Restricted stock grants
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Classification [Abstract]
Valuation allowances:
Share-based Payment Arrangement [Abstract]
Subordinated Debt Obligations, Fair Value Disclosure
Subordinated debt
The amount recognized during the year for the acquisition of oil and gas or other property that has an associated asset retirement obligation.
Asset Retirement Obligation Acquisitions
Acquisitions
Future costs.
Future Costs [Abstract]
Future costs:
Bank credit facility.
Bank Credit Facility [Member]
Bank Credit Facility
Derivative Assets (Liabilities), at Fair Value, Net
Derivative assets liabilities at fair value net
Derivative Assets (Liabilities), at Fair Value, Net, Total
Oil and Gas Properties Policy [Policy Text Block]
Natural Gas and Oil Properties
Defined Benefit Plan, Benefit Obligation
Benefit obligation at end of year
Benefit obligation at beginning of year
Long-Lived Tangible Asset [Axis]
Long-Lived Tangible Asset
Document Transition Report
Document Transition Report
North Louisiana .
North Louisiana [Member]
North Louisiana
Effective income tax rate reconciliation state rate and law change.
Effective Income Tax Rate Reconciliation State Rate And Law Change
State rate and law change
Employee Severance [Member]
Workforce Reduction
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent
Maximum percentage of employees contribution
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Derivative Activities
Number of customers accounted more than ten percent of total oil and gas revenues.
Number Of Customers Accounted More Than Ten Percent Of Oil And Gas Revenues
Number of customers accounted more than 10% of total oil and gas revenues
Diluted
Weighted Average Number of Shares Outstanding, Diluted
Weighted Average Number of Shares Outstanding, Diluted, Total
Cost of Goods and Services Sold
Brokered natural gas and marketing
Cost of Goods and Services Sold, Total
Share-based Payment Arrangement, Expense
Stock-based compensation expense
Schedule of Restructuring and Related Costs [Table]
Schedule Of Restructuring And Related Costs [Table]
Concentration Risk Benchmark [Axis]
Concentration Risk Benchmark
Proved Developed and Undeveloped Reserve, Net (Energy)
Ending Balance
Beginning Balance
Proved developed and undeveloped reserve balances
Changes in other state valuation allowances.
Changes In Other State Valuation Allowances
Other state valuation allowances
Interest and dividends
Interest and Dividend Income, Securities, Operating
Interest and Dividend Income, Securities, Operating, Total
Statement of Financial Position [Abstract]
Dividends, Common Stock, Cash
Cash dividends paid ($0.08 per share)
Vested and issued
Vested and issued
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Restricted stock units vested
Vested
The sum of the notional amount of derivative over the life of the entire contract, expressed in nonmonetary units. For example, the total number of British Thermal Unit (BTU) specified in a fuel oil forward purchase contract.
Derivative Nonmonetary Contract Energy Measure
Volume Hedged
Measurement Input, Discount Rate [Member]
Discount Rate
The interest rate used to find or obtain the present value of an amount to be paid or received in future as an input to measure future fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.
Fair Value Inputs Discount Rate1
Annual discount rate
Other Investments
Other investments including surface acreage
Other Investments, Total
Depreciation, Depletion and Amortization
Depletion, depreciation and amortization and impairment of proved properties
Depreciation, Depletion and Amortization, Total
Derivative, Average Cap Price
Weighted average price of hedge, Ceiling
Debt instrument maturity year.
Debt Instrument Maturity Year
Debt instrument maturity year
Due Twenty Thirty.
Due Twenty Thirty [Member]
2030
Lessee, Operating Lease, Liability, to be Paid, Year Five
2026
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
Federal statutory tax rate
Stockholders' Equity Attributable to Parent [Abstract]
Stockholders' Equity
Nature of Operations [Text Block]
Summary of Organization and Nature of Business
Compensation Related Costs, Policy [Policy Text Block]
Stock-based Compensation Arrangements
Deferred tax assets divestiture contract obligation.
Deferred Tax Assets Divestiture Contract Obligation
Divestiture contract obligation
Treasury Stock, Value, Acquired, Cost Method
Treasury stock repurchased
Redemption price of notes as percentage of principal amount
Debt Instrument, Redemption Price, Percentage
Amount of increase (decrease) in proved undeveloped reserves as a result of revisions of estimated quantity.
Proved Undeveloped Reserves Revisions Of Previous Estimates Increase Decrease
Revisions
Proceeds from Issuance of Subordinated Long-term Debt
Issuance of senior notes
Restricted stock liability awards.
Restricted Stock Liability Awards [Member]
Restricted Stock Liability Awards
Benchmark price used for calculating average realized prices.
Benchmark Price Used For Calculating Average Realized Prices
Benchmark price used for calculating average realized prices
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Computations of Basic and Diluted Income (Loss) Per Common Share
Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract]
Assumed weighted average healthcare cost trend rates:
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Tax
Income tax (expense) benefit
Increase (Decrease) in Inventories
Inventory and other
Increase (Decrease) in Inventories, Total
Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves
Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves
Reclassification to Well, Facilities, and Equipment Based on Determination of Proved Reserves
Defined Benefit Plan, Ultimate Health Care Cost Trend Rate
Ultimate trend rate
Long-Term Debt, Maturity, Year Four
2025
Restructuring charge one time minimum volume commitment payment.
Restructuring Charge One Time Minimum Volume Commitment Payment
One-time minimum volume commitment contract payment
Counterparties in a liability position.
Counterparties In Liability Position [Member]
Counterparties in a Liability position
Increase (Decrease) in Operating Capital [Abstract]
Changes in working capital:
Lessee, Operating Lease, Liability, to be Paid, Year Three
2024
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Percent
Non-deductible equity compensation
Proved developed and undeveloped reserve revision of positive performance.
Proved Developed And Undeveloped Reserve Revision Of Positive Performance
Revision of positive performance
Derivative Liability
Commodity swaps, collar, options and basis swaps
Derivative Liability, Total
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Income tax (benefit) expense:
Measurement Frequency [Axis]
Measurement Frequency
Award Type [Axis]
Award Type
Estimated settlement divestiture contract obligation due in year four.
Estimated Settlement Divestiture Contract Obligation Due In Year Four
2025
Carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion, net of unamortized debt issuance costs. Senior note holders are paid off in full before any payments are made to junior note holders.
Senior Notes Net Of Debt Issuance Costs
Senior notes
Entity Shell Company
Entity Shell Company
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other comprehensive loss:
Proved Developed Reserves (Volume)
Proved developed reserves
Restructuring and Related Activities [Abstract]
Volumetric amount of increase (decrease) as a result of extensions, discoveries and improved recovery of proved oil and gas reserves.
Proved Undeveloped Reserves Extensions Discoveries And Additions
Extension and discoveries
Share based compensation expense benefit and other associated with restructuring cost.
Share Based Compensation Expense Benefit And Other Associated With Restructuring Cost
Stock-based compensation and other
ICFR Auditor Attestation Flag
ICFR Auditor Attestation Flag
Commodity Contract [Member]
Commodity
Debt Instrument, Interest Rate, Effective Percentage
Bank debt percentage
Entity Incorporation, State or Country Code
Entity Incorporation, State or Country Code
Participating Securities, Distributed and Undistributed Earnings (Loss), Basic
Participating basic earnings
Marketable Securities
Marketable securities held in deferred compensation plans
Marketable securities
Marketable Securities, Total
Earnings Per Share [Text Block]
Net Income (Loss) Per Common Share
Fair Value Measurement [Domain]
Fair Value Measurement
Operating Lease, Impairment Loss
Impairment of ROU Asset
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Summary of Performance Share Unit Awards outstanding, Number of Units
London Interbank Offered Rate (LIBOR) [Member]
LIBOR Rate
Amendment Flag
Amendment Flag
Proved Developed and Undeveloped Reserves, Sales of Minerals in Place
Property sales
Schedule of Stock by Class [Table]
Schedule Of Stock By Class [Table]
Product and Service [Axis]
Product and Service
Equity grants.
Equity Grants [Member]
Equity Grants
Asset Retirement Obligation [Abstract]
Asset Retirement Obligation [Abstract]
Changes in other federal valuation allowance.
Changes In Other Federal Valuation Allowances
Other federal valuation allowances
Fair Value, Nonrecurring [Member]
Fair Value, Nonrecurring
Cash and Cash Equivalents, at Carrying Value
Cash and cash equivalents
Cash and Cash Equivalents, at Carrying Value, Total
Cash and Cash Equivalents, at Carrying Value, Beginning Balance
Cash and Cash Equivalents, at Carrying Value, Ending Balance
New Accounting Pronouncements, Policy [Policy Text Block]
Accounting Standards
Title of Individual [Domain]
Title of Individual
Due twenty twenty nine.
Due Twenty Twenty Nine [Member]
2029
The minimum commitment related to transportation agreements that must be made within the third year of the agreement.
Transportation Commitments Future Minimum Transportation Fees Due In Year Three
2024
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]
Estimated settlement divestiture contract obligation due current.
Estimated Settlement Divestiture Contract Obligation Due Current
2022
Two thousand twenty two commodity contracts.
Two Thousand Twenty Two Commodity Contracts [Member]
2022 Commodity Contract
Mergers, Acquisitions and Dispositions Disclosures [Text Block]
Dispositions
Proved Developed and Undeveloped Reserves, Net
Ending Balance
Beginning Balance
Proved developed and undeveloped reserves
Deferred Tax Assets, Derivative Instruments
Cumulative mark-to-market loss
Long-term Debt
Total debt (net of debt issuance costs)
Performance based TSR - PSUs.
Performance Based T S R P S Us [Member]
Performance Based TSR - PSUs
Fair Value, Recurring [Member]
Fair Value, Recurring
Debt covenant ratio of present value of proved reserves to debt.
Debt Covenant Ratio Of Present Value Of Proved Reserves To Debt
Present value of proved reserves to total debt
Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
Accrued liabilities and other
Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units
Reallocation of participating earnings
Cash Flow, Supplemental Disclosures [Text Block]
Supplemental Cash Flow Information
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Disclosure [Line Items]
Other Assets, Noncurrent
Other assets
Other Assets, Noncurrent, Total
Propane spread swap.
Propane Spread Swap [Member]
Propane Spread Swaps
Natural Gas [Member]
Natural gas sales
Natural Gas
Geographical [Domain]
Geographical
Future Net Cash Flows Relating to Proved Oil and Gas Reserves, Production Costs
Production
Deferred compensation plan fair value disclosure.
Deferred Compensation Plan Fair Value Disclosure
Deferred compensation plan
Definition of accounting policy for other assets, includes, but is not limited to, the accounting for costs associated with issuing or retiring of debt and the basis of the different types of assets within the other asset line within the balance sheet.
Other Assets Policy [Text Block]
Other Assets
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name
Common stock held in treasury, at cost, 10,002,646 shares at December 31, 2021 and 10,005,795 shares at December 31, 2020
Treasury Stock, Value
Treasury Stock, Value, Total
Treasury Stock, Value, Beginning Balance
Treasury Stock, Value, Ending Balance
Fair Value Disclosures [Text Block]
Fair Value Measurements
Carrying value as of the balance sheet date of collateralized/uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion, net of unamortized debt issuance costs. Subordinated debt places a lender in a lien position behind the primary lender of the company.
Subordinated Long Term Debt Net Of Debt Issuance Costs
Senior subordinated notes
Proved Undeveloped Reserve (Volume)
Proved undeveloped reserves