0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (UNAUDITED) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Nature of Operations link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Derivative Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Acquisitions and Divestitures link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Stock Incentive Plan link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Equity link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Risk Concentrations link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Supplementary Data link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Derivative Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Acquisitions and Divestitures (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Stock Incentive Plan (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Subsequent Events (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Supplementary Data (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Summary of Significant Accounting Policies - Segment Reporting (Details) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Summary of Significant Accounting Policies - Oil and natural gas properties (Details) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Summary of Significant Accounting Policies - Equity Investments (Details) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Summary of Significant Accounting Policies - Schedule of disaggregated revenues by operation and geographic location (Details) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Derivative Financial Instruments - Volume of derivative activities (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Derivative Financial Instruments - Impact of commodity derivatives on earnings (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Fair Value Measurements - Carrying amounts and fair values of financial instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Fair Value Measurements - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Fair Value Measurements - Fair value of net derivative instruments (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Acquisitions and Divestitures (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Acquisitions and Divestitures - Schedule of Disaggregated Revenues by Operation and Geographic Location (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Stock Incentive Plan - Additional information (Detail) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Stock Incentive Plan - Summary of company's activity under the Plan (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Equity (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Risk Concentrations (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Earnings Per Share - Schedule of basic and diluted earnings per share (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Earnings Per Share - Schedule of diluted earnings per share, diluted securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Subsequent Events - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Subsequent Events - Schedule of outstanding derivative contracts (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Supplementary Data - Capitalized costs (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Supplementary Data - Costs incurred for oil and natural gas producing activities (Details) link:presentationLink link:calculationLink link:definitionLink