XML 42 R21.htm IDEA: XBRL DOCUMENT
v3.21.1

Accrued Closure Costs and ARO | 12 Months Ended
--- | ---
Dec. 31, 2020
Asset Retirement Obligation Disclosure [Abstract] |
Accrued Closure Costs and ARO | NOTE 12 ACCRUED CLOSURE COSTS AND ARO Accrued closure costs represent our estimated environmental liability to clean up our fixed-based regulated facilities as required by our permits, in the event of closure. Changes to reported closure liabilities (current and long-term) for the years ended December 31, 2020 and 2019, were as follows:
Amounts in thousands |  |  |
Balance as of December 31, 2018 |  |  | 6,750 |
Accretion expense |  |  | 320 |
Spending |  |  | (1,359 | )
Adjustment to closure liability |  |  | 330 |
Balance as of December 31, 2019 |  | $ | 6,041 |
Accretion expense |  |  | 335 |
Spending |  |  | (11 | )
Balance as of December 31, 2020 |  | $ | 6,365 |
The Company recorded an additional $330,000 of closure costs and current closure liabilities in 2019 due to finalization of closure requirements for the Company’s M&EC facility. In 2019, the Company completed the closure and decommissioning activities of its M&EC facility in accordance with M&EC’s license and permit requirements. The spending of approximately $11,000 and $1,359,000 in 2020 and 2019, respectively, was primarily for the closure of the Company’s M&EC facility. Closure liabilities of M&EC are classified as current in the Consolidated Balance Sheets for 2020 and 2019. The reported closure asset or ARO, is reported as a component of “Net Property and equipment” in the Consolidated Balance Sheets at December 31, 2020 and 2019 with the following activity for the years ended December 31, 2020 and 2019:
Amounts in thousands |  |  |
Balance as of December 31, 2018 |  |  | 3,730 |
Amortization of closure and post-closure asset |  |  | (191 | )
Balance as of December 31, 2019 |  | $ | 3,539 |
Amortization of closure and post-closure asset |  |  | (191 | )
Balance as of December 31, 2020 |  | $ | 3,348 |

X
- References No definition available. + Details
Name: | us-gaap_AssetRetirementObligationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2175671 + Details
Name: | us-gaap_AssetRetirementObligationDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration