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

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- Definition

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

+ References

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- Definition

Costs Incurred, Acquisition of Oil and Gas Properties, Total Cash Consideration Paid

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- Definition

Represents the amount certain to be funded for future drilling and completion costs by Osaka Gas Co., Ltd., associated with leaseholds.

+ References

No definition available.

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- Definition

Represents the percentage of non-operated working interest sold by the entity to a third party.

+ References

No definition available.

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- Definition

Third party reimbursement percentage of drilling costs, including completion costs.

+ References

No definition available.

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- Definition

Represents the proceeds expected to be received on the sale of property before adjustment for closing costs.

+ References

No definition available.

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 25

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6405-128476

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

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-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 805

-SubTopic 30

-Section 30

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477

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- Definition

Cost incurred, including capitalized costs and costs charged to expense, in acquisition of oil and gas properties.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 932

-SubTopic 235

-Section 50

-Paragraph 18

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=8451039&loc=d3e62014-109447

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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.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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-Publisher FASB

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-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585

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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.

+ References

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- Definition

The value of all consideration given or received by the Entity in the significant acquisition or disposal.

+ References

No definition available.

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Acquisitions and Divestitures (Details) (USD $)	12 Months Ended			1 Months Ended
Acquisitions and Divestitures (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2012	Dec. 31, 2014	Oct. 31, 2014
Significant Acquisitions and Disposals
Gain (loss) on sale of assets	$ 17,120,000	$ 21,351,000	$ 50,635,000
Proceeds from sale of assets	39,491,000	323,501,000	169,326,000
Oklahoma and Texas panhandles oil and gas properties
Significant Acquisitions and Disposals
Gain (loss) on sale of assets				19,400,000
Proceeds from sale of oil and gas properties before closing adjustments				160,000,000
Oklahoma, Texas and Kansas
Significant Acquisitions and Disposals
Gain (loss) on sale of assets				(17,500,000)
Proceeds from sale of oil and gas properties before closing adjustments				123,400,000
Other properties
Significant Acquisitions and Disposals
Gain (loss) on sale of assets		19,500,000	1,800,000
Proceeds from sale of assets			14,400,000
Proceeds from sale of oil and gas properties		44,300,000
Texas oil and gas properties
Significant Acquisitions and Disposals
Gain (loss) on sale of assets					(18,200,000)
Proceeds from sale of oil and gas properties before closing adjustments					29,900,000
Pearsall shale
Significant Acquisitions and Disposals
Gain (loss) on sale of assets						67,000,000
Proceeds from sale of oil and gas properties						125,000,000
Non-operated working interest (as a percent)						35.00%
Total consideration received from the sale of properties						250,000,000
Percentage of fund for the Company's share of future drilling and completion costs						85.00%
Future drilling and completion costs to be funded by third party						125,000,000
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							30,500,000	210,000,000
Total cash consideration paid for proved and unproved oil and gas properties as of closing date							29,600,000	185,200,000
Adjustment to acquisition cost, consents for leaseholds								17,400,000
Adjustment to acquisition cost, customary purchase price adjustment								8,000,000
Acquisition, assumed liability related to asset retirement obligations								1,200,000
Oil and Gas Properties, Proved and Unproved \| East Texas
Significant Acquisitions and Disposals
Gain (loss) on sale of assets								19,900,000
Proceeds from sale of assets								$ 44,300,000