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Commitments and Contingencies Commitments and Contingencies (Details) MMcf in Thousands, $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 USD ($) MMcf MMBbls | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) MMcf MMBbls | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($) MMcf
Water Disposal Agreement [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Water Delivery Commitments and Contracts, Remaining Contractual Volume | MMBbls | 25.4 |  | 25.4 |  |
Contractual Obligation | $ 23.0 |  | $ 23.0 |  |
Drilling Rig Leasing Contracts [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Early Termination Penalty for Rig Contract Cancellation | 15.1 |  | 15.1 |  |
Gain (Loss) on Contract Termination | (1.1) | $ (2.2) | (8.7) | $ (8.1) |
Contractual Obligation | 20.0 |  | 20.0 |  |
Gas gathering and Oil and Gas Through-put Commitments [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Contractual Obligation, Amended Gathering Agreements Related to Non-Operated Eagle Ford Assets | 333.2 |  | 333.2 |  |
Contractual Payments Receivable, Amended Gathering Agreements Related to Non-Operated Eagle Ford Assets | 235.2 |  | 235.2 |  |
Decrease in Contractual Obligation |  |  |  |  | $ 118.2
Contractual Obligation | $ 1,000.0 |  | $ 1,000.0 |  |
Crude Oil Transportation Commitment [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume on Amended Gathering Agreements Related to Non-Operated Eagle Ford Assets | MMBbls | 38 |  | 38 |  |
Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume | MMBbls | 69 |  | 69 |  |
Natural Gas Transportation Commitment [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume on Amended Gathering Agreements Related to Non-Operated Eagle Ford Assets | MMcf | 290 |  | 290 |  |
Oil and Gas Delivery Commitments and Contracts, Decrease in Remaining Contractual Volume | MMcf |  |  |  |  | 829
Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume | MMcf | 1,556 |  | 1,556 |  |
Natural Gas Liquids Transportation Commitment [Member] |  |  |  |  |
Other Commitments [Line Items] |  |  |  |  |
Oil and Gas Delivery Commitments and Contracts, Remaining Contractual Volume | MMBbls | 13 |  | 13 |  |

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- Definition Contractual Payments Receivable, Amended Gathering Agreements Related to Non-Operated Eagle Ford Assets + References No definition available. + Details
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- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition Total amount of product committed to be supplied under existing contracts or agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1207 -Paragraph (a) -Subparagraph (2) + Details
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