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Asset Retirement Obligation (Tables) | 9 Months Ended
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Sep. 30, 2015
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Asset Retirement Obligation | Following is a summary of activity recorded during the first nine months of 2015 and 2014:
In thousands |  | 2015 |  |  | 2014 |
Balance at January 1, |  | $ | 4,114 |  |  | $ | 5,032 |
Accretion |  |  | 59 |  |  |  | 115 |
Payments |  |  | (2,384 | ) |  |  | (767 | )
Downward revision |  |  | (1,000 | ) |  |  | — |
Gain |  |  | (359 | ) |  |  | (128 | )
Balance at September 30, |  | $ | 430 |  |  | $ | 4,252 |
Schedule of Consolidated Balance Sheets where Asset Retirement Obligations are Recorded | The following table summarizes the line items in the accompanying condensed consolidated balance sheets where the asset retirement obligations are recorded:
|  | September 30 |  |  | December 31 |
In thousands |  | 2015 |  |  | 2014 |
Other current liabilities |  | $ | 430 |  |  | $ | 2,855 |
Other long-term liabilities |  |  | — |  |  |  | 1,259 |
Total |  | $ | 430 |  |  | $ | 4,114 |

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- Definition Tabular disclosure of the carrying amount of a liability for asset retirement obligations. + 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 + Details
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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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