Debt Instrument, Covenant Compliance, Loan Limit Percentage

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- Definition

Debt to EBITDAX Ratio Maximum

+ References

No definition available.

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- Definition

Debt Instrument, Covenant Compliance, Minimum Current Assets To Current Liabilities, Ratio

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- Definition

Debt Instrument, Cross Default Provision, Minimum Threshold Amount

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- Definition

Line of Credit, Cross Default Provision, Minimum Threshold Amount

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- Definition

Amount of amortization expense attributable to debt issuance costs.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Represents the charge against earnings during the period for commitment fees and debt issuance expenses.

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- Definition

Amount of interest capitalized during the period.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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LONG-TERM DEBT - Additional Information (Details) - USD ($)		1 Months Ended	12 Months Ended
	Sep. 02, 2014	Jul. 31, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Nov. 09, 2017	Apr. 21, 2017	Jan. 23, 2017	Oct. 25, 2016
Debt Instrument [Line Items]
Amount of debt redeemed			$ 785,000,000	$ 554,000,000
Reductions of long-term debt		$ 17,000,000	24,000,000	0	$ 0
Cross default provision, minimum threshold amount			10,000,000
Committed financing available			1,050,000,000	1,050,000,000
Cross default provision, minimum debt default amount (more than)			75,000,000
Interest expense			38,366,000	36,899,000	43,108,000
Amortization of debt issuance costs			3,300,000	3,300,000	3,300,000
Interest expense, capitalized			$ 0	100,000
Unused capacity, commitment fee percentage			0.30%
Debt related commitment fees			$ 2,800,000	3,400,000	$ 4,100,000
Syndicated Credit Facility \| Credit Facility, September 2, 2014
Debt Instrument [Line Items]
Debt instrument, term	5 years
Debt covenant, debt to EBITDAX ratio (less than or equal to)			4.0
Debt covenant, current assets to current liabilities ratio (greater than or equal to)			1.0
Loan limit percentage (less than)			10.00%
Medium-term Notes \| 7.40% Medium-term Notes, Series A, due July 24, 2017
Debt Instrument [Line Items]
Amount of debt redeemed			$ 0	2,000,000				$ 2,000,000
Percentage of debt redeemed			7.40%					7.40%
Medium-term Notes \| 7.60% Medium-term Notes, Series A, due July 26, 2027
Debt Instrument [Line Items]
Amount of debt redeemed			$ 0	5,000,000				$ 5,000,000
Percentage of debt redeemed			7.60%					7.60%
Notes \| 4.625% Notes, due September 1, 2021
Debt Instrument [Line Items]
Amount of debt redeemed			$ 400,000,000	$ 400,000,000
Percentage of debt redeemed			4.625%
Credit facility, due August 30, 2019
Debt Instrument [Line Items]
Maximum borrowing capacity									$ 1,050,000,000.00
Credit facility, due August 30, 2019 \| Syndicated Credit Facility
Debt Instrument [Line Items]
Committed financing available									$ 1,050,000,000
Maximum borrowing capacity						$ 1,700,000,000	$ 1,400,000,000