Debt Instrument, Aggregate Outstanding Principal Amount, Threshold Adjusting Maturity Date Of Secured Notes

No definition available.

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- Definition

Derivative Instruments and Hedging Activities Disclosure [Line Items]

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No definition available.

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- Definition

Number Of Counterparties To Open Derivative Contracts

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No definition available.

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- Definition

The net cash outflow or inflow from derivatives instruments during the period, which are classified as operating activities, excluding those designated as hedging instruments.

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No definition available.

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- Definition

The amount of cash received during the period on settlement of a hedge.

+ References

No definition available.

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- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ 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(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Details

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Derivatives - Narrative (Details)	3 Months Ended			9 Months Ended
Derivatives - Narrative (Details)	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2016 counterparty	Sep. 30, 2016 institution	Dec. 31, 2015
Derivative Instruments and Hedging Activities Disclosure
Cash received on settlement of derivative contracts		$ 17,900,000		$ 72,608,000	$ 278,581,000
Number of counterparties to open derivative contracts							4	4
(Gain) loss on derivative contracts	$ (338,000)		$ (42,211,000)	$ 4,823,000	(59,034,000)
Senior Unsecured Notes \| 8.75% Senior Notes due 2020
Derivative Instruments and Hedging Activities Disclosure
Long-term debt, fixed interest rate	8.75%			8.75%					8.75%
Aggregate outstanding principal amount						$ 100,000,000
Commodity Derivatives
Derivative Instruments and Hedging Activities Disclosure
(Gain) loss on derivative contracts	$ (300,000)		(42,200,000)	$ 4,800,000	(59,000,000)
Cash receipts, upon settlement of derivative contract	$ 14,600,000		$ 67,300,000	$ 72,600,000	$ 278,600,000