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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fixed price related to the price risk swap derivative.

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Amount of daily production of the applicable energy source.

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Hedging Program and Derivatives (Details) (USD $)											6 Months Ended
Hedging Program and Derivatives (Details) (USD $)	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Derivative Assets - Current [Member]	Dec. 31, 2013 Derivative Assets - Current [Member]	Jun. 30, 2014 Derivative Assets - Noncurrent [Member]	Dec. 31, 2013 Derivative Assets - Noncurrent [Member]	Jun. 30, 2014 Derivative Liabilities - Current [Member]	Dec. 31, 2013 Derivative Liabilities - Current [Member]	Jun. 30, 2014 Derivative Liabilities - Noncurrent [Member]	Dec. 31, 2013 Derivative Liabilities - Noncurrent [Member]	Jun. 30, 2014 Oil – WTI 2014 [Member] bbl	Jun. 30, 2014 Oil – WTI 2015 [Member] bbl	Jun. 30, 2014 Oil – WTI 2016 [Member] bbl	Jun. 30, 2014 Oil – WTI 2017 [Member] bbl	Jun. 30, 2014 Oil - Brent 2014 [Member] bbl	Jun. 30, 2014 Oil - Brent 2015 [Member] bbl	Jun. 30, 2014 Oil - Brent 2016 [Member] bbl	Jun. 30, 2014 Oil - Brent 2017 [Member] bbl	Jun. 30, 2014 Oil - LLS 2014 [Member] bbl	Jun. 30, 2014 Oil - LLS 2015 [Member] bbl	Jun. 30, 2014 Oil - LLS 2016 [Member] bbl	Jun. 30, 2014 Oil - LLS 2017 [Member] bbl	Jun. 30, 2014 Natural Gas - NYMEX 2014 [Member] Mcf	Jun. 30, 2014 Natural Gas - NYMEX 2015 [Member] Mcf	Jun. 30, 2014 Natural Gas - NYMEX 2016 [Member] Mcf	Jun. 30, 2014 Natural Gas - NYMEX 2017 [Member] Mcf
Oil and Gas Delivery Commitments and Contracts [Line Items]
Daily Volume (Bbl / Mcf)											1,535	921	948	493	0	125	0	0	98	0	0	0	3,150	1,450	0	0
Swap Price (per Bbl / per Mcf)											91.87	85.00	84.10	84.18	0.00	96.78	0.00	0.00	101.26	0.00	0.00	0.00	4.07	4.08	0.00	0.00
Derivatives, Fair Value [Line Items]
Fair value of commodity derivative contract	$ 12,000,000
Impact of derivative contracts on balance sheet [Abstract]
Derivative asset – current	113,000	85,000	113,000	85,000
Derivative asset - noncurrent	0	925,000			0	925,000
Derivative assets, Total	113,000	1,010,000
Derivative liability – current	6,318,000	2,728,000					6,318,000	2,728,000
Derivative liability - noncurrent	5,785,000	2,274,000							5,785,000	2,274,000
Derivative liabilities, Total	$ 12,103,000	$ 5,002,000