Acquisitions and Divestivures	3 Months Ended
Mar. 31, 2016
Acquisitions and Divestitures [Abstract]
Acquisitions and Divestitures	Acquisitions and Divestitures Acquisitions Undeveloped Eagle Ford Acreage In August 2014, we acquired undeveloped acreage in the Eagle Ford in Lavaca County, Texas for a purchase price of $45.6 million, of which $34.9 million was paid at closing and the balance of $10.7 million will be paid over three years as a drilling carry. We anticipate that we will incur an obligation for $1.9 million under the drilling carry commitment by June 2016. Divestitures South Texas Oil Gathering System Construction Rights and Natural Gas Gathering and Gas Lift Assets In July 2014, we sold the rights to construct a crude oil gathering and intermediate transportation system in South Texas to Republic Midstream, LLC (“Republic”) and in January 2014, we sold our South Texas natural gas gathering and gas lift assets to American Midstream Partners, LP (“AMID”). Concurrent with these sales, we entered into long-term agreements with Republic and AMID to provide us crude oil gathering and intermediate transportation services and natural gas gathering, compression and gas lift services, respectively, for a substantial portion of our future South Texas production. We realized significant gains and recognized a substantial portion thereof upon the closing of these transactions in 2014. With respect to the Republic transaction, $75.7 million of the total gain was deferred and is being recognized over a twenty-five year period which began in March 2016. We amortized $0.1 million of the deferred gain during the three months ended March 31, 2016. As of March 31, 2016, $3.0 million of the remaining deferred gain is included as a component of Accounts payable and accrued expenses and $72.6 million, representing the remaining noncurrent portion, is included as a component of Other liabilities on our Condensed Consolidated Balance Sheets. With respect to the AMID transaction, $10.6 million of the total gain was deferred and is being recognized over a twenty-five year period which began in January 2014. We amortized $0.1 million of the deferred gain during each of the three months ended March 31, 2016 and 2015. As of March 31, 2016, $0.4 million of the remaining deferred gain was included as a component of Accounts payable and accrued expenses and $9.3 million, representing the noncurrent portion, was included as a component of Other liabilities on our Condensed Consolidated Balance Sheets.

Acquisitions and Divestitures

Acquisitions

Undeveloped Eagle Ford Acreage

In August 2014, we acquired undeveloped acreage in the Eagle Ford in Lavaca County, Texas for a purchase price of $45.6 million, of which $34.9 million was paid at closing and the balance of $10.7 million will be paid over three years as a drilling carry. We anticipate that we will incur an obligation for $1.9 million under the drilling carry commitment by June 2016.

Divestitures

South Texas Oil Gathering System Construction Rights and Natural Gas Gathering and Gas Lift Assets

In July 2014, we sold the rights to construct a crude oil gathering and intermediate transportation system in South Texas to Republic Midstream, LLC (“Republic”) and in January 2014, we sold our South Texas natural gas gathering and gas lift assets to American Midstream Partners, LP (“AMID”). Concurrent with these sales, we entered into long-term agreements with Republic and AMID to provide us crude oil gathering and intermediate transportation services and natural gas gathering, compression and gas lift services, respectively, for a substantial portion of our future South Texas production. We realized significant gains and recognized a substantial portion thereof upon the closing of these transactions in 2014. With respect to the Republic transaction, $75.7 million of the total gain was deferred and is being recognized over a twenty-five year period which began in March 2016. We amortized $0.1 million of the deferred gain during the three months ended March 31, 2016. As of March 31, 2016, $3.0 million of the remaining deferred gain is included as a component of Accounts payable and accrued expenses and $72.6 million, representing the remaining noncurrent portion, is included as a component of Other liabilities on our Condensed Consolidated Balance Sheets. With respect to the AMID transaction, $10.6 million of the total gain was deferred and is being recognized over a twenty-five year period which began in January 2014. We amortized $0.1 million of the deferred gain during each of the three months ended March 31, 2016 and 2015. As of March 31, 2016, $0.4 million of the remaining deferred gain was included as a component of Accounts payable and accrued expenses and $9.3 million, representing the noncurrent portion, was included as a component of Other liabilities on our Condensed Consolidated Balance Sheets.