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Document and Entity Information
Financial Statements
CONSOLIDATED BALANCE SHEETS
CONSOLIDATED BALANCE SHEETS (Parenthetical)
CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (Unaudited)
CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited)
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical)
Notes to Financial Statements
Summary of Organization and Nature of Business
Basis of Presentation
New Accounting Standards
Revenues from Contracts with Customers
Income Taxes
Income (Loss) Per Common Share
Capitalized Costs and Accumulated Depreciation, Depletion and Amortization
Indebtedness
Asset Retirement Obligations
Derivative Activities
Fair Value Measurements
Stock-Based Compensation Plans
Exit Costs
Capital Stock
Supplemental Cash Flow Information
Commitments and Contingencies
Costs Incurred for Property Acquisition, Exploration and Development
Accounting Policies
Basis of Presentation (Policies)
Notes Tables
Revenues from Contracts with Customers (Tables)
Income (Loss) Per Common Share (Tables)
Capitalized Costs and Accumulated Depreciation, Depletion and Amortization (Tables)
Indebtedness (Tables)
Asset Retirement Obligations (Tables)
Derivative Activities (Tables)
Fair Value Measurements (Tables)
Stock-Based Compensation Plans (Tables)
Exit Costs (Tables)
Capital Stock (Tables)
Supplemental Cash Flow Information (Tables)
Costs Incurred for Property Acquisition, Exploration and Development (Tables)
Notes Details
Revenues from Contracts with Customers - Additional Information (Detail)
Revenues from Contracts with Customers - Disaggregation of Revenue by Identified Revenue Stream (Detail)
Income (Loss) Per Common Share - Computations of Basic and Diluted Income (Loss) Per Common Share (Detail)
Income (Loss) Per Common Share - Basic Weighted Average Common Shares Outstanding and Diluted Weighted Average Common Shares Outstanding (Detail)
Income (Loss) Per Common Share - Additional Information (Detail)
Capitalized Costs and Accumulated Depreciation, Depletion and Amortization (Detail)
Indebtedness - Additional Information (Detail)
Indebtedness - Debt Outstanding (Detail)
Indebtedness - Debt Outstanding (Parenthetical) (Detail)
Indebtedness - Bank Debt - Additional Information (Detail)
Indebtedness - Senior Note Redemption - Additional Information (Detail)
Indebtedness - Guarantees and Debt Covenants - Additional Information (Detail)
Asset Retirement Obligations - Asset Retirement Obligations (Detail)
Derivative Activities - Additional Information (Detail)
Derivative Activities - Derivative Volumes Hedged and Average Hedge Prices (Detail)
Derivative Activities - Combined Fair Value of Derivatives, by Consolidated Balance Sheets (Detail)
Derivative Activities - Effects of Derivatives on Consolidated Statements of Operations (Detail)
Fair Value Measurements - Fair Value Hierarchy Table for Assets and Liabilities Measured at Fair Value (Detail)
Fair Value Measurements - Additional Information (Detail)
Fair Value Measurements - Carrying Amounts and Fair Values of Financial Instruments (Detail)
Fair Value Measurements - Carrying Amounts and Fair Values of Financial Instruments (Parenthetical) (Detail)
Stock-Based Compensation Plans - Additional Information (Detail)
Stock-Based Compensation Plans - Allocation of Stock-Based Compensation by Functional Category (Detail)
Stock-Based Compensation Plans - Additional Information 1 (Detail)
Stock-Based Compensation Plans - Additional Information 2 (Detail)
Stock-Based Compensation Plans - Restricted Stock and Restricted Stock Units and Performance Awards Outstanding (Detail)
Stock-Based Compensation Plans - Restricted Stock and Restricted Stock Units and Performance Awards Outstanding (Parenthetical) (Detail)
Stock-Based Compensation Plans - Additional Information 3 (Detail)
Stock-Based Compensation Plans - Valuation Assumptions for Grant Date Fair Value of Performance Awards (Detail)
Stock-Based Compensation Plans - TSR - PSUs Activities (Parenthetical) (Detail)
Stock-Based Compensation Plans - Additional Information 4 (Detail)
Exit Costs - Additional Information (Detail)
Exit Costs - Summary of Exit Costs (Detail)
Exit Costs - Exit Costs Included in Accrued Liabilities in Consolidated Balance Sheet - (Detail)
Capital Stock - Additional Information (Detail)
Capital Stock - Schedule of Changes in Number of Common Shares Outstanding (Detail)
Capital Stock - Schedule of Change in Treasury Shares (Detail)
Supplemental Cash Flow Information - Supplemental Cash Flow Information (Detail)
Costs Incurred for Property Acquisition, Exploration and Development (Detail)
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