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Derivative Financial Instruments (Details) | Jun. 30, 2014 Crude oil bbl | Jun. 30, 2014 Natural Gas [Member] MMBTU | Jun. 30, 2014 Natural Gas Liquids bbl | Jun. 30, 2014 IF El Paso Permian [Member] | Jun. 30, 2014 IF HSC [Member] | Jun. 30, 2014 IF NGPL TXOK [Member] | Jun. 30, 2014 IF NNG Ventura [Member] | Jun. 30, 2014 IF Reliant N/S [Member] | Jun. 30, 2014 IF NGPL MidCont [Member] | Jun. 30, 2014 OPIS Mont. Belvieu LDH Propane [Member] | Jun. 30, 2014 OPIS Mont. Belvieu Non-LDH Natural Gasoline [Member] | Jun. 30, 2014 Collar [Member] Crude oil bbl | Jun. 30, 2014 Collar [Member] Natural Gas [Member] MMBTU | Jun. 30, 2014 Swap Crude oil bbl | Jun. 30, 2014 Swap Natural Gas [Member] MMBTU | Jun. 30, 2014 Swap Natural Gas Liquids bbl | Jun. 30, 2014 Third Quarter Current Year [Member] Collar [Member] Crude oil bbl | Jun. 30, 2014 Third Quarter Current Year [Member] Swap Crude oil bbl | Jun. 30, 2014 Third Quarter Current Year [Member] Swap Natural Gas [Member] MMBTU | Jun. 30, 2014 Third Quarter Current Year [Member] Swap Natural Gas Liquids bbl | Jun. 30, 2014 Fourth Quarter Current Year [Member] Collar [Member] Crude oil bbl | Jun. 30, 2014 Fourth Quarter Current Year [Member] Swap Crude oil bbl | Jun. 30, 2014 Fourth Quarter Current Year [Member] Swap Natural Gas [Member] MMBTU | Jun. 30, 2014 Fourth Quarter Current Year [Member] Swap Natural Gas Liquids bbl | Jun. 30, 2014 2015 [Member] Collar [Member] Crude oil bbl | Jun. 30, 2014 2015 [Member] Collar [Member] Natural Gas [Member] MMBTU | Jun. 30, 2014 2015 [Member] Swap Crude oil bbl | Jun. 30, 2014 2015 [Member] Swap Natural Gas [Member] MMBTU | Jun. 30, 2014 2015 [Member] Swap Natural Gas Liquids MMBTU | Jun. 30, 2014 2016 [Member] Swap Crude oil bbl | Jun. 30, 2014 2016 [Member] Swap Natural Gas [Member] MMBTU | Jun. 30, 2014 2017 [Member] Swap Natural Gas [Member] MMBTU | Jun. 30, 2014 2018 [Member] Swap Natural Gas [Member] MMBTU | Jul. 30, 2014 Subsequent Event [Member] Crude oil bbl | Jul. 30, 2014 Maximum [Member] Subsequent Event [Member] Crude oil | Jul. 30, 2014 Minimum [Member] Subsequent Event [Member] Crude oil
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Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-Average Contract Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 96.04 | 4.02 | 58.06 |  | 94.88 | 4.02 | 58.06 |  |  | 89.64 | 4.04 | 55.42 | 85.19 | 4.17 | 4.21 | 4.31 |  |  |
Weighted-Average Floor Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 85.00 |  |  |  | 85.00 |  |  |  | 85.00 | 3.98 |  |  |  |  |  |  |  |  |  |
Weighted-Average Ceiling Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 102.58 |  |  |  | 102.63 |  |  |  | 94.25 | 4.30 |  |  |  |  |  |  |  |  |  |
Portion of Future Oil and Gas Production Being Hedged | 15,100,000 |  | 2,600,000 |  |  |  |  |  |  |  |  | 5,262,000 |  | 9,838,000 |  | 2,602,000 | 973,000 | 1,533,000 |  | 960,000 | 923,000 | 1,353,000 |  | 861,000 | 3,366,000 |  | 4,248,000 |  |  | 2,704,000 |  |  |  | 4,200,000 |  |
Index percent of natural gas fixed swaps |  |  |  | 3.00% | 82.00% | 2.00% | 3.00% | 9.00% | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Index percent of natural gas collars |  |  |  | 4.00% | 80.00% |  | 8.00% | 8.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Index percent of NGL fixed swaps |  |  |  |  |  |  |  |  |  | 72.00% | 28.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Portion of Gas Production Being Hedged |  | 188,600,000 |  |  |  |  |  |  |  |  |  |  | 13,002,000 |  | 175,600,000 |  |  |  | 24,541,000 |  |  |  | 22,014,000 |  |  | 13,002,000 |  | 57,943,000 | 781,000 |  | 37,472,000 | 23,430,000 | 10,200,000 |  |  |
Derivative, Swap Type, Fixed Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100.58 | 89.35

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- Definition Index percent of natural gas collars + References No definition available. + Details
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- Definition Index percent of natural gas fixed swaps + References No definition available. + Details
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- Definition Index percent of NGL fixed swaps + References No definition available. + Details
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- Definition Portion of Gas Production Being Hedged + References No definition available. + Details
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- Definition The average cap rate on a group of price risk derivatives such as caps or collars. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract. + References No definition available. + Details
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- Definition The average floor rate on a group of price risk derivatives such as floors or collars. A payment or receipt is triggered if the market rate falls below the floor rate on the contract. + References No definition available. + Details
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- Definition Average fixed price related to the group of price risk swap derivatives. + References No definition available. + Details
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- Definition The quantity of future oil and gas production being hedged. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 12.D.3(b)) -URI http://asc.fasb.org/extlink&oid=27015634&loc=d3e516453-122869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 12 -Section D -Paragraph b -Subsection 3 + Details
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