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Acquisitions (Details) (USD $)
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3 Months Ended | 6 Months Ended | 0 Months Ended | |||||||
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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Mar. 20, 2014
Utica Shale [Member]
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Feb. 15, 2013
Utica Shale [Member]
well
acre
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Mar. 20, 2014
Utica Shale [Member]
acre
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Mar. 20, 2014
Utica Shale [Member]
Proved Properties [Member]
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Mar. 20, 2014
Utica Shale [Member]
Unproved Properties [Member]
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Mar. 20, 2014
Utica Shale [Member]
Unevaluated Properties [Member]
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| Business Acquisition [Line Items] | ||||||||||
| Gas and oil acreage, undeveloped, net | 22,000 | 8,000 | ||||||||
| Cash price of ownership interest | $ 184,000,000 | $ 220,000,000 | ||||||||
| Amount put in escrow | 33,600,000 | |||||||||
| Proceeds from issuance of common stock, net of offering costs and exercise of stock options | 648,000 | 359,040,000 | 325,800,000 | |||||||
| Existing wells excluded | 14 | |||||||||
| Future wells excluded | 16 | |||||||||
| Purchase price | 179,000,000 | |||||||||
| Cash, net of purchase price adjustments | 177,444,000 | |||||||||
| Fair value of oil and natural gas properties | 177,444,000 | 32,005,000 | 6,263,000 | 139,176,000 | ||||||
| Net revenues | 114,736,000 | 70,434,000 | 232,765,000 | 125,434,000 | 3,100,000 | |||||
| Lease operating expenses | $ 12,680,000 | $ 5,878,000 | $ 24,309,000 | $ 11,050,000 | $ 400,000 | |||||
| X | ||||||||||
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- Definition
Number Of Proposed Future Wells Excluded From Acquisition No definition available.
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| X | ||||||||||
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- Definition
Number Of Wells Owned No definition available.
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| X | ||||||||||
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- Definition
Payment to Acquire Oil and Gas Property and Equipment, Net No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of property, plant, and equipment recognized as of the acquisition date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Fractional interest owned based on working interests or other economic arrangements of lease area on which wells have not been drilled or completed to a point that would permit the production of commercial quantities of oil and gas regardless of whether or not such area contains proved reserves. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of lease operating expense related to property used in oil and gas production. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash outflow to purchase long lived physical asset for use in the normal oil and gas operations and to purchase mineral interests in oil and gas properties not intended for resale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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