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Asset Retirement Obligation (Tables) | 3 Months Ended
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Mar. 31, 2016
Asset Retirement Obligation Disclosure [Abstract] |
Schedule of Asset Retirement Obligation | Following is a summary of activity recorded during the first three months of 2016 and 2015:
In thousands |  | 2016 |  |  | 2015 |
Balance at January 1, |  | $ | 419 |  |  | $ | 4,114 |
Accretion |  |  | — |  |  |  | 29 |
Payments |  |  | — |  |  |  | (419 | )
Gain |  |  | — |  |  |  | (107 | )
Balance at March 31, |  | $ | 419 |  |  | $ | 3,617 |

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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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