The percentage to be added to the adjusted LIBO rate in determining the base interest rate.

No definition available.

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- Definition

Current Ratio

+ References

No definition available.

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- Definition

The percentage to be added to the Federal Funds Effective Rate in determining the base interest rate.

+ References

No definition available.

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- Definition

Represents the threshold of the pre-tax SEC PV-10 reserve value that if exceeded, a mortgage lien on the oil and natural gas property exists as collateral for borrowings under the Senior Secured Revolving Credit Facility.

+ References

No definition available.

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- Definition

Ratio of EBITDA to Interest Expense

+ References

No definition available.

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- Definition

Ratio of Total Secured Debt to EBITDA

+ References

No definition available.

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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.

+ 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(22))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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- Definition

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

+ References

+ Details

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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.

+ References

No definition available.

+ Details

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

+ Details

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Period Type:	instant

- 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

+ Details

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Long-Term Debt (Narrative) (Details) - USD ($)	3 Months Ended
Long-Term Debt (Narrative) (Details) - USD ($)	Mar. 31, 2017	May 04, 2017	Dec. 31, 2016
Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity	$ 600,000,000
Line of credit facility amount outstanding	$ 123,000,000		$ 87,000,000
Debt, Weighted Average Interest Rate	2.95%
Letters of credit outstanding amount	$ 415,000
Pre-Tax SEC PV10 Reserve Value Percentage	90.00%
Federal funds rate plus percentage	0.50%
Adjusted LIBO rate plus percentage	1.00%
Ratio of Total Secured Debt to EBITDA	0.30
Current Ratio	2.56
Ratio of EBITDA to Interest Expense	4.53
Senior Secured Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Ratio of Total Secured Debt to EBITDA	2.00
Senior Secured Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Current Ratio	1.00
Ratio of EBITDA to Interest Expense	2.50
6.25% Senior Notes [Member]
Debt Instrument [Line Items]
Long term debt	$ 650,000,000		650,000,000
7.50% Senior Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	7.50%
Long term debt	$ 600,000,000		$ 600,000,000
Subsequent Event [Member] \| Senior Secured Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity		$ 900,000,000