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Accounts Receivable and Accounts Payable and Accrued Expenses Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
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Accounts Payable and Accrued Liabilities, Current [Abstract] |  |
Capital Expenditures Incurred but Not yet Paid - Instant | $ 107,009 | $ 97,355
Accrued Revenue And Severance Tax Payable | 39,617 | 44,387
Accrued Lease Operating Expense | 15,956 | 21,943
Accrual for Taxes Other than Income Taxes, Current | 6,606 | 14,078
Employee-related Liabilities, Current | 34,761 | 41,154
Derivative Settlement Payable | 6,473 | 0
Interest Payable, Current | 45,059 | 34,378
Other Accrued Liabilities, Current | 44,227 | 49,222
Accounts payable and accrued expenses | $ 299,708 | $ 302,517

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- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits. + 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 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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