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Accounts Receivable and Accounts Payable and Accrued Expenses Accounts Receivable and Accounts Payable and Accrued Expenses (Tables) | 12 Months Ended
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Dec. 31, 2014
Accounts Receivable and Accounts Payable and Accrued Expenses [Abstract] |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | Accounts receivable are comprised of the following:
| As of December 31,
| 2014 |  | 2013
| (in thousands)
Accrued oil, gas, and NGL production revenue | $ | 180,250 |  |  | $ | 228,169 |
Amounts due from joint interest owners | 58,347 |  |  | 37,517 |
Accrued derivative settlements | 39,811 |  |  | 770 |
State severance tax refunds | 24,394 |  |  | 29,213 |
Other | 19,828 |  |  | 22,702 |
Total accounts receivable | $ | 322,630 |  |  | $ | 318,371 |
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] | Accounts payable and accrued expenses are comprised of the following:
| As of December 31,
| 2014 |  | 2013
| (in thousands)
Accrued capital expenditures | $ | 357,156 |  |  | $ | 217,820 |
Revenue and severance tax payable | 63,779 |  |  | 87,852 |
Accrued lease operating expense | 34,822 |  |  | 29,296 |
Accrued property taxes | 15,059 |  |  | 10,401 |
Joint owner advances | 152 |  |  | 96,636 |
Accrued compensation | 56,279 |  |  | 71,466 |
Accrued interest | 40,786 |  |  | 40,027 |
Other | 72,651 |  |  | 53,253 |
Total accounts payable and accrued expenses | $ | 640,684 |  |  | $ | 606,751 |

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
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- Definition Tabular disclosure of the (a) carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business (accounts payable); (b) other payables; and (c) accrued liabilities. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). An alternative caption includes accrued expenses. + References No definition available. + Details
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