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Asset Retirement Obligations | 9 Months Ended
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Sep. 30, 2015
Asset Retirement Obligation Disclosure [Abstract] |
Asset Retirement Obligations | Asset Retirement Obligations The following table reflects the changes in the Company’s ARO during the nine months ended September 30, 2015:
| (In thousands)
Balance at December 31, 2014 | $ | 42,549 |
Liabilities incurred during period | 1,233 |
Liabilities settled during period | (112 | )
Accretion expense during period(1) | 1,654 |
Revisions to estimates | 241 |
Balance at September 30, 2015 | $ | 45,565 |
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(1) | Included in depreciation, depletion and amortization on the Company’s Condensed Consolidated Statement of Operations.
At September 30, 2015, the current portion of the total ARO balance was approximately $0.6 million and is included in accrued liabilities on the Company’s Condensed Consolidated Balance Sheet.

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- Definition The entire disclosure for an asset retirement obligation and the associated long-lived asset. An asset retirement obligation is a legal obligation associated with the disposal or retirement from service of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7569-110849 + Details
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