Prepaid Expenses And Other Current Assets (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Prepaid Expenses And Other Current Assets [Abstract]
Prepaid well and drilling costs	$ 7,425end_PrepaidWellAndDrillingCosts	$ 24end_PrepaidWellAndDrillingCosts
Prepaid insurance	5,899us-gaap_PrepaidInsurance	3,707us-gaap_PrepaidInsurance
Inventory	9,927us-gaap_EnergyRelatedInventoryPetroleum	5,117us-gaap_EnergyRelatedInventoryPetroleum
Deferred tax asset	10,702end_DeferredTaxAssetFutureDeduction	26,583end_DeferredTaxAssetFutureDeduction
Deferred financing costs - current portion	9,186us-gaap_DeferredFinanceCostsCurrentNet	22,134us-gaap_DeferredFinanceCostsCurrentNet
Other	4,258us-gaap_OtherAssetsCurrent	2,753us-gaap_OtherAssetsCurrent
Total prepaid expenses and other current assets	$ 47,397	$ 60,318

Deferred tax asset, future current deduction.

No definition available.

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- Definition

Carry amount as of the balance sheet date of prepaid well and drilling costs

+ References

No definition available.

+ Details

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- Definition

Net amount of current deferred finance costs capitalized at the end of the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 3

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-Publisher SEC

-Name Regulation S-X (SX)

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-Section 02

-Paragraph 8

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- Definition

Carrying amount as of the balance sheet date of petroleum or crude oil.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.6(a))

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-Section 02

-Paragraph 6

-Subparagraph a

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- Definition

Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

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- Definition

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Current Assets

-URI http://asc.fasb.org/extlink&oid=6509628

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