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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 | |||||||||
| 发行普通股所得，扣除发行成本和行使股票期权所得 | 648,000 | 359,040,000 | 325,800,000 | |||||||
| Existing wells excluded | 14 | |||||||||
| Future wells excluded | 16 | |||||||||
| Purchase price | 179,000,000 | |||||||||
| 现金，扣除购买价格调整 | 177,444,000 | |||||||||
| 石油和天然气资产的公允价值 | 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 | |||||