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Acquisitions Acquisitions (Tables) | 12 Months Ended
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Dec. 31, 2015
Rhino Exploration, LLC, Utica Shale Properties |
Business Acquisition [Line Items] |
Schedule of consideration paid and the fair value amounts of assets acquired | The following table summarizes the consideration paid in the Rhino Acquisition to acquire the properties and the fair value amount of the assets acquired as of March 20, 2014.
|  | (in thousands)
Consideration paid |  |
Cash, net of purchase price adjustments |  | $ | 179,527 |
Fair value of identifiable assets acquired |  |
Oil and natural gas properties |  |
Proved |  | $ | 31,961 |
Unproved |  | 6,263 |
Unevaluated |  | 141,303 |
Fair value of net identifiable assets acquired |  | $ | 179,527 |
American Energy - Utica, LLC |
Business Acquisition [Line Items] |
Schedule of consideration paid and the fair value amounts of assets acquired | The following table summarizes the consideration paid in the AEU Acquisition to acquire the properties and the fair value amount of the assets acquired as of June 12, 2015. Both the consideration paid and the fair value assigned to the assets is preliminary and subject to adjustment upon final closing.
|  | (In thousands)
Consideration paid |  |
Cash, net of purchase price adjustments |  | $ | 405,029 |
Fair value of identifiable assets acquired |  |
Oil and natural gas properties |  |
Proved |  | $ | 70,804 |
Unevaluated |  | 334,225 |
Fair value of net identifiable assets acquired |  | $ | 405,029 |

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- Definition Tabular disclosure of the amounts recognized as of the acquisition date for each major class of assets acquired and liabilities assumed. May include but not limited to the following: (a) acquired receivables; (b) contingencies recognized at the acquisition date; and (c) the fair value of noncontrolling interests in the acquiree. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
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