Costs Incurred, Acquisition Of Oil And Gas Properties, Purchase Price Adjustment

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Costs Incurred, Acquisition Of Oil And Gas Properties, Purchase Price Adjustment, Leasehold Consents

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties.

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Ratio of the net operating income produced by an asset and its capital cost (original prices paid to buy the asset), used as an input to measure fair value.

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Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.

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The cash outflow to purchase of mineral interests in oil and gas properties for use in the normal oil and gas operations and not intended for resale.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Acquisitions and Divestitures - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended				3 Months Ended	12 Months Ended
	Feb. 29, 2016	Apr. 30, 2015	Dec. 31, 2014	Oct. 31, 2014	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Significant Acquisitions and Disposals
Acquisitions of oil and gas						$ 0	$ 16,312	$ 214,737
Gain (loss) on sale of assets						(1,857)	3,866	17,120
Proceeds from sale of assets						$ 50,419	$ 7,653	$ 39,492
Oil and gas properties, proved and unproved \| Eagle Ford Shale in South Texas
Significant Acquisitions and Disposals
Acquisition cost of proved and unproved oil and gas properties			$ 30,500	$ 210,000
Acquisitions of oil and gas		$ 16,000	$ 29,900	185,200
Adjustment to acquisition cost, consents for leaseholds				17,400
Adjustment to acquisition cost, customary purchase price adjustment				7,400
Acquisition, assumed liability related to asset retirement obligations				1,200
Oil and gas properties, proved and unproved \| East Texas
Significant Acquisitions and Disposals
Gain (loss) on sale of assets	$ 500			19,900
Proceeds from sale of assets	$ 56,400			$ 44,300	$ 6,300
Oil and gas properties \| Significant Unobservable Inputs (Level 3)
Significant Acquisitions and Disposals
Capital rate			10.00%			10.00%