Subsequent Events (Details) (Subsequent Event [Member]) In Thousands, unless otherwise specified	0 Months Ended
Jan. 02, 2014 2012 Plan Performance Shares [Member]	Jan. 02, 2014 2012 Plan Restricted Stock [Member]	Jan. 28, 2014 Argus Louisiana Light Sweet [Member] Swap [Member] February 2014 - January 2015 [Member] Crude Oil [Member] bbl	Feb. 19, 2014 Argus Louisiana Light Sweet [Member] Swap [Member] March 2014 - February 2015 [Member] Crude Oil [Member] bbl
Subsequent Event [Line Items]
Awards granted	79	79
Vesting period	2 years	2 years
Volume (Bbls)			365,000	365,000
Fixed Swap Price			96.75	100.60

Aggregate notional amount of derivative expressed in nonmonetary units. For example, the number of barrels specified in a fuel oil forward purchase contract.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

Fixed price related to the price risk swap derivative.

+ References

No definition available.

+ Details

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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