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Cover
Document and Entity Information
Financial Statements
CONSOLIDATED BALANCE SHEETS
CONSOLIDATED BALANCE SHEETS (Parenthetical)
CONSOLIDATED STATEMENTS OF OPERATIONS
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT)
CONSOLIDATED STATEMENTS OF CASH FLOWS
Notes to Financial Statements
Summary of Significant Accounting Policies
Acquisitions and Dispositions of Oil and Gas Properties
Oil and Gas Producing Activities
Long-term Debt
Commitments and Contingencies
Stockholders' Equity
Stock-based Compensation
Retirement Plan
Income Taxes
Derivative Financial Instruments and Hedging Activities
Supplementary Quarterly Financial Data (Unaudited)
Oil and Gas Reserves Information (Unaudited)
Accounting Policies
Summary of Significant Accounting Policies (Policies)
Notes Tables
Summary of Significant Accounting Policies (Tables)
Acquisitions and Dispositions of Oil and Gas Properties (Tables)
Oil and Gas Producing Activities (Tables)
Long-term Debt (Tables)
Commitments and Contingencies (Tables)
Stock-based Compensation (Tables)
Income Taxes (Tables)
Derivative Financial Instruments and Hedging Activities (Tables)
Supplementary Quarterly Financial Data (Unaudited) (Tables)
Oil and Gas Reserves Information (Unaudited) (Tables)
Notes Details
Summary of Significant Accounting Policies - Additional Information 1 (Detail)
Summary of Significant Accounting Policies - Summary of Other Current Assets (Detail)
Summary of Significant Accounting Policies - Summary of Financial Assets and Liabilities at Fair Value (Detail)
Summary of Significant Accounting Policies - Additional Information 2 (Detail)
Summary of Significant Accounting Policies - Additional Information 3 (Detail)
Summary of Significant Accounting Policies - Schedule of Fair Value Impairments, Average Prices of Oil and Gas Properties And Applicable Discount Rates (Detail)
Summary of Significant Accounting Policies - Summary of Accrued Expenses (Detail)
Summary of Significant Accounting Policies - Summary of Changes in Reserve for Future Abandonment Costs (Detail)
Summary of Significant Accounting Policies - Additional Information 4 (Detail)
Summary of Significant Accounting Policies - Basic and Diluted Earnings Per Share (Detail)
Summary of Significant Accounting Policies - Weighted Average Shares of Unvested Restricted Stock (Detail)
Summary of Significant Accounting Policies - Common Stock Stock Options and Convertible Stock Anti-Dilutive to Earnings Excluded from Weighted Average Shares Used in Computation of Earning Per Share (Detail)
Summary of Significant Accounting Policies - Cash Payments Made for Interest and Income Taxes (Detail)
Acquisitions and Dispositions of Oil and Gas Properties - Additional Information (Detail)
Acquisitions and Dispositions of Oil and Gas Properties - Results of Operations for Properties (Detail)
Oil and Gas Producing Activities - Capitalized Costs Related to Oil and Gas Property Acquisition Exploration and Development Activities (Detail)
Oil and Gas Producing Activities - Costs Incurred Related to Oil and Gas Property Acquisition Exploration and Development Activities (Detail)
Long-term Debt - Long-term Debt (Detail)
Long-term Debt - Long-term Debt (Parenthetical) (Detail)
Long-term Debt - Principal Amount of Debt by Year of Maturity (Detail)
Long-term Debt - Principal Amount of Debt by Year of Maturity (Parenthetical) (Detail)
Long-Term Debt - Additional Information (Detail)
Long-Term Debt - Additional Information 1 (Detail)
Commitments and Contingencies - Additional Information (Detail)
Commitments and Contingencies - Minimum Future Payments under Leases (Detail)
Stockholders' Equity - Additional Information (Detail)
Stock-based Compensation - Additional Information (Detail)
Stock-based Compensation - Additional Information 1 (Detail)
Stock-based Compensation - Summary of Restricted Stock Activity (Detail)
Stock-based Compensation - Summary of Significant Assumptions Use to Value PSUs (Detail)
Stock-based Compensation - Summary of PSU Activity (Detail) (Potential Performance Shares (PSU))
Stock-based Compensation - Stock Option Activity under Company's Incentive Plans (Detail)
Retirement Plan - Additional Information (Detail)
Income Taxes - Income Tax Provision (Benefit) (Detail)
Income Taxes - Valuation Allowances Recognized and Related Tax Effect (Detail)
Income Taxes - Additional Information (Detail)
Income Taxes - Income Tax Expense Benefit Income Tax Reconciliation (Detail)
Income Taxes - Difference Between Customary Rate and Effective Tax Rate on Income Before Income Taxes Due (Detail)
Income Taxes - Tax Effects of Significant Temporary Differences Representing Net Deferred Tax Asset and Liability (Detail)
Income Taxes - Carryforwards Available to Reduce Future Income Taxes (Detail)
Derivative Financial Instruments and Hedging Activities - Additional Information (Detail)
Derivative Financial Instruments and Hedging Activities - Summary of Outstanding Derivative Financial Instruments (Detail)
Supplementary Quarterly Financial Data (Unaudited) - Schedule of Supplementary Quarterly Financial Data (Detail)
Supplementary Quarterly Financial Data (Unaudited) - Summary of Results of Operations from Non-Routine Items (Detail)
Oil and Gas Reserves Information (Unaudited) - Summary of Changes in Net Quantities of Crude Oil and Natural Gas Reserves (Detail)
Oil and Gas Reserves Information (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves (Detail)
Oil and Gas Reserves Information (Unaudited) - Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves (Parenthetical) (Detail)
Oil and Gas Reserves Information (Unaudited) - Additional Information (Detail)
Oil and Gas Reserves Information (Unaudited) - Changes in Standardized Measure of Discounted Future Net Cash Flows Relating to Proved Reserves (Detail)
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