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ACCRUED CLOSURE COSTS AND ASSET RETIREMENT OBLIGATIONS (ARO) (Tables) | 12 Months Ended
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Dec. 31, 2013
ACCRUED CLOSURE COSTS AND ASSET RETIREMENT OBLIGATIONS (ARO) [Abstract] |
Changes to reported closure liabilities | Changes to reported closure liabilities for the years ended December 31, 2013 and 2012, were as follows:
Amounts in thousands |  |  |
Balance as of December 31, 2011 |  | $ | 11,937 |
Accretion expense |  |  | 185 |
Payments |  |  | (773 | )
Adjustment to closure liability |  |  | ― |
Balance as of December 31, 2012 |  |  | 11,349 |
Accretion expense |  |  | 272 |
Adjustment to closure liability |  |  | (6,399 | )
Balance as of December 31, 2013 |  | $ | 5,222 |
Reported closure asset (ARO) | The reported closure asset or ARO, is reported as a component of “Net Property and equipment” in the Consolidated Balance Sheet for the years ended December 31, 2013 and 2012 as follows:
Amounts in thousands |  |  |
Balance as of December 31, 2011 |  | $ | 9,370 |
Adjustment to closure and post-closure asset |  |  | ― |
Amortization of closure and post-closure asset |  |  | (290 | )
Balance as of December 31, 2012 |  |  | 9,080 |
Adjustment to closure and post-closure asset |  |  | (5,830 | )
Amortization of closure and post-closure asset |  |  | (289 | )
Balance as of December 31, 2013 |  | $ | 2,961 |

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- Definition Tabular disclosure of the entity's accrual to comply with regulatory requirements pertaining to the retirement of a waste management facility (such as a landfill or waste treatment facility). + References No definition available. + Details
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- Definition Tabular disclosure of the changes in carrying amount of a closure and post-closure asset. + References No definition available. + Details
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