v3.3.1.900

Derivative Instruments and Fair Value Measurements - Additional Information (Detail) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) MMBTU $ / MMBTU | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($) | Sep. 30, 2015 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Impairment of oil and gas properties and equipment | $ | $ 220,197,000 | $ 0 | $ 0 |
Proved oil and gas property fair value | $ |  |  |  | $ 22,000,000
Swap [Member] | Natural Gas February 2016 - March 2017 Contract One [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Volume Transacted | MMBTU | 400,000 |  |  |
Contract Price | $ / MMBTU | 2.45 |  |  |
Collars [Member] | Natural Gas April 2017 through December 2017 Contract [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Volume Transacted | MMBTU | 200,000 |  |  |
Floor Price | $ / MMBTU | 2.3 |  |  |
Ceiling Price | $ / MMBTU | 2.6 |  |  |
Proved Property Impairment [Member] |  |  |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |  |  |
Impairment of oil and gas properties and equipment | $ | $ 214,700,000 |  |  |

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- Definition The cap rate on a price risk derivative such as a cap or collar. 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 Floor rate on a price risk derivative such as a floor or a collar. 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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Nominal energy measure used to calculate payments on a derivative instrument. + References No definition available. + Details
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- Definition The expense recorded to reduce the value of oil and gas assets consisting of proved properties and unproved properties as the estimate of future successful production from these properties is reduced. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2921-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 360 -Section 35 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28370743&loc=d3e66150-109466 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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- Definition Specified interest rate, security price, commodity price, foreign exchange rate, index of prices or rates for a derivative contract measured in energy volume but not the derivative contract itself. + References No definition available. + Details
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